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17206-1920
OCC 529 Aa,Ab
HD 156846

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Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17206-1920 OCC 529 Aa,Ab (HD 156846)

17^h 20^m 34.40^s -19° 20' 00.2" P.A. -1.00 sep 1.3 mag 7.80,7.80 Sp F9V dist. 47.62 pc (155.34 l.y.)

Coord 2000	17206-1920	Discov num	OCC 529	Comp	Aa,Ab	Coord arcsec 2000	17 20 34.40 -19 20 00.2
Date first	1977	Date last	1977	Obs	0
Pa first	-1	Pa last	-1	P.A. Now (θ)	-1
Sep first	1.3	Sep last	1.3	Sep. Now (ρ)	1.3"
Mag pri	7.80	Mag sec	7.80	delta mag (ΔM)	0	Spectral class	F9V (yellow-white)
Pri motion ra	-131	Sec motion ra
Pri motion dec	-146	Sec motion dec
Notes

Nature of this double is uncertain.

17206-1920 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 156846	160474	17 20 34 -19 20 00	OCC 529 Aa,Ab	1977	0	-1	1.3	7.80	7.80	0.00		<===
Show		160474	17 20 34 -19 20 00	A 2241 AB	2015	6	70	5.3	6.60	14.10	7.50

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 156846	Constellation	Ophiuchus	SAO	160474	HIP	84856
Tycho2	6242-00339-1	Gaia DR2	4122343906051101184	HD	156846	HR	6441
ADS	10476	BD	BD-19 4605	Distance	47.62	Distance ly	155.34

WDS 17206-1920 OCC 529 Aa,Ab (HD 156846) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
A__1895	Ma -	Aitken, R.G.	1895PASP....7..305A
A__1895		PASP 7, 305, 1895 (most data also in A__1914d)	1914PLicO..12....1A
A__1896a	Ma -	Aitken, R.G.	1896AJ.....17...27A
A__1896a		AJ 17, 27, 1896 (most data also in A__1914d)	1914PLicO..12....1A
A__1896b	Ma -	Aitken, R.G.	1896AN....142...77A
A__1896b		AN 142, 77, 1896 (all data also in A__1896a)	1896AJ.....17...27A
A__1896c	Ma -	Aitken, R.G.	1896PASP....8..286A
A__1896c		PASP 8, 286, 1896
A__1896d	Ma -	Aitken, R.G.	1896PASP....8..314A
A__1896d		PASP 8, 314, 1896 (all data also in A__1896a)	1896AJ.....17...27A
A__1897a	Ma -	Aitken, R.G.	1897AN....142..161A
A__1897a		AN 142, 161, 1897 (all data also in A__1896a)	1896AJ.....17...27A
A__1897b	Ma -	Aitken, R.G.	1897AJ.....17...76A
A__1897b		AJ 17, 76, 1897 (all data also in A__1914d)	1914PLicO..12....1A
A__1897c	Ma -	Aitken, R.G.	1897AJ.....18...56A
A__1897c		AJ 18, 56, 1897 (all data also in A__1914d)	1914PLicO..12....1A
A__1897d	Ma j	Aitken, R.G.	1897AN....145..129A
A__1897d		AN 145, 129, 1897 (most data also in A__1914d)	1914PLicO..12....1A
A__1898a	Ma -	Aitken, R.G.	1898AJ.....18..128A
A__1898a		AJ 18, 128, 1898 (all data also in other refs)
A__1898b	Ma j	Aitken, R.G.	1898AJ.....18..161A
A__1898b		AJ 18, 161, 1898 (most data also in other refs)
A__1898b		(erratum AJ 18, 180, 1898)	1898AJ.....18..180A
A__1899	Ma -	Aitken, R.G.	1899PASP...11..128A
A__1899		PASP 11, 128, 1899
A__1899b	Ma j	Aitken, R.G.	1899AN....150..113A
A__1899b		AN 150, 113, 1899
A__1900a	Ma -	Aitken, R.G.	1900AN....152..161A
A__1900a		AN 152, 161, 1900
A__1900b	Ma -	Aitken, R.G.	1900AN....153..369A
A__1900b		AN 153, 369, 1900
A__1900c	Ma -	Aitken, R.G.	1900PASP...12..127A
A__1900c		PASP 12, 127, 1900 (all data also in A__1900b)	1900AN....153..369A
A__1900d	Ma j	Aitken, R.G.	1900AN....152..209A
A__1900d		AN 152, 209, 1900
A__1900e	orb -	Aitken, R.G.	1900PASP...12..103A
A__1900e		PASP 12, 103, 1900
A__1900f	orb -	Aitken, R.G.	1900PASP...12..240A
A__1900f		PASP 12, 240, 1900
A__1900g	Ma j	Aitken, R.G.	1900PASP...12..203A
A__1900g		PASP 12, 203, 1900
A__1901a	Ma j	Aitken, R.G.	1901LicOB...1...14A
A__1901a		Lick Obs. Bull. 1, 14, 1901
A__1901b	Ma j	Aitken, R.G.	1901LicOB...1...66A
A__1901b		Lick Obs. Bull. 1, 66, 1901
A__1901c	orb -	Aitken, R.G.	1901PA......9...57A
A__1901c		Popular Astron. 9, 57, 1901
A__1901d	Ma -	Aitken, R.G.	1901AN....156..321A
A__1901d		AN 156, 321, 1901 (all data also in A__1901a)	1901LicOB...1...14A
A__1901e	Ma -	Aitken, R.G.	1901PASP...13..161A
A__1901e		PASP 13, 161, 1901 (all data also in other refs)
A__1902a	Ma j	Aitken, R.G.	1902LicOB...1..129A
A__1902a		Lick Obs. Bull. 1, 129, 1902
A__1902b	orb -	Aitken, R.G.	1902LicOB...1..190A
A__1902b		Lick Obs. Bull. 1, 190, 1902
A__1902c	orb -	Aitken, R.G.	1902PA.....10..486A
A__1902c		Popular Astron. 10, 486, 1902
A__1902d	orb -	Aitken, R.G.	1902PASP...14..153A
A__1902d		PASP 14, 153, 1902
A__1902e	Ma -	Aitken, R.G.	1902AN....158..245A
A__1902e		AN 158, 245, 1902 (all data also in A__1902a)	1902LicOB...1..129A
A__1903	Ma j	Aitken, R.G.	1903LicOB...2...16A
A__1903		Lick Obs. Bull. 2, 16, 1903
A__1903b	Ma -	Aitken, R.G.	1903LicOB...2...55A
A__1903b	+orb	Lick Obs. Bull. 2, 55, 1903 (all data also in other refs)
A__1903c	orb -	Aitken, R.G.	1903PA.....11...28A
A__1903c		Popular Astron. 11, 28, 1903
A__1904a	Ma j	Aitken, R.G.	1904LicOB...2..139A
A__1904a		Lick Obs. Bull. 2, 139, 1904
A__1904b	Ma -	Aitken, R.G.	1904LicOB...3....6A
A__1904b		Lick Obs. Bull. 3, 6, 1904
A__1904c	Ma -	Aitken, R.G.	1904LicOB...3...61A
A__1904c		Lick Obs. Bull. 3, 61, 1904
A__1905a	Ma -	Aitken, R.G.	1905LicOB...3...88A
A__1905a	+orb	Lick Obs. Bull. 3, 88, 1905 (all data also in other refs)
A__1905b	Ma -	Aitken, R.G.	1905LicOB...3...90A
A__1905b		Lick Obs. Bull. 3, 90, 1905 (all data also in other refs)
A__1905c	orb -	Aitken, R.G.	1905LicOB...3..147A
A__1905c		Lick Obs. Bull. 3, 147, 1905 (all data also in other refs)
A__1905d	orb -	Aitken, R.G.	1905LicOB...3..169A
A__1905d		Lick Obs. Bull. 3, 169, 1905 (orbit catalog)
A__1905e	orb -	Aitken, R.G.	1905PA.....13..190A
A__1905e		Popular Astron. 13, 190, 1905
A__1906a	Ma -	Aitken, R.G.	1906LicOB...4....4A
A__1906a		Lick Obs. Bull. 4, 4, 1906
A__1906B	Ma -	Aitken, R.G.	1906MmRAS..56....1L
A__1906B	+orb	cited by Lewis (MemRAS 56, 1, 1906)
A__1906c	orb -	Aitken, R.G.	1906LicOB...4...75A
A__1906c		Lick Obs. Bull. 4, 75, 1906
A__1906D	Ma -	Aitken, R.G.	1906QB821.B972.....
A__1906D		cited in BDS (Burnham Double Star Cat.), 1906
A__1907a	Ma -	Aitken, R.G.	1907LicOB...4..101A
A__1907a		Lick Obs. Bull. 4, 101, 1907
A__1907b	Ma -	Aitken, R.G.	1907LicOB...4..125A
A__1907b		Lick Obs. Bull. 4, 124, 1907
A__1907c	orb -	Aitken, R.G.	1907LicOB...4..107A
A__1907c		Lick Obs. Bull. 4, 107, 1907 (all data also in other refs)
A__1907d	Ma -	Aitken, R.G.	1907LicOB...4..170A
A__1907d		Lick Obs. Bull. 4, 170, 1907 (all data also in other refs)
A__1907e	orb -	Aitken, R.G.	1907AN....174..217A
A__1907e		AN 174, 217, 1907
A__1907f	Ma -	Aitken, R.G.	1907AN....176..323A
A__1907f		AN 176, 323, 1907 (all data also in other refs)
A__1908a	Ma -	Aitken, R.G.	1908LicOB...4..166A
A__1908a		Lick Obs. Bull. 4, 166, 1908
A__1908b	Ma -	Aitken, R.G.	1908LicOB...5...28A
A__1908b		Lick Obs. Bull. 5, 28, 1908
A__1908c	Ma -	Aitken, R.G.	1908LicOB...5...55A
A__1908c		Lick Obs. Bull. 5, 55, 1908
A__1908d	Ma -	Aitken, R.G.	1908LicOB...5...43A
A__1908d	+orb	Lick Obs. Bull. 5, 43, 1908 (all data also in other refs)
A__1908e	Ma -	Aitken, R.G.	1908PASP...20..185A
A__1908e		PASP 20, 185, 1908 (all data also in other refs)
A__1908f	orb -	Aitken, R.G.	1908PASP...20..267A
A__1908f		PASP 20, 267, 1908
A__1908g	Ma -	Aitken, R.G.	1908PASP...20..290A
A__1908g		PASP 20, 290, 1908 (all data also in other refs)
A__1908h	Ma -	Aitken, R.G.	1908PASP...20..291A
A__1908h		PASP 20, 291, 1908
A__1909a	Ma -	Aitken, R.G.	1909LicOB...5..115A
A__1909a		Lick Obs. Bull. 5, 115, 1909
A__1909b	Ma -	Aitken, R.G.	1909LicOB...5..166A
A__1909b		Lick Obs. Bull. 5, 166, 1909
A__1909c	orb -	Aitken, R.G.	1909PASP...21...83A
A__1909c		PASP 21, 83, 1909
A__1910a	Ma -	Aitken, R.G.	1910LicOB...6...62A
A__1910a		Lick Obs. Bull. 6, 62, 1910
A__1910b	Ma -	Aitken, R.G.	1910LicOB...6...70A
A__1910b		Lick Obs. Bull. 6, 70, 1910
A__1910c	-	Aitken, R.G.	1910LicOB...6....1A
A__1910c		Lick Obs. Bull. 6, 1, 1910 (no data)
A__1910d	Ma -	Aitken, R.G.	1910PASP...22...95A
A__1910d		PASP 22, 95, 1910 (all data also in other refs)
A__1910e	-	Aitken, R.G.	1910PASP...22..137A
A__1910e		PASP 22, 137, 1910 (no data)
A__1910f	Ma -	Aitken, R.G.	1910PASP...22..140A
A__1910f		PASP 22, 140, 1910 (all data also in other refs)
A__1911	Ma -	Aitken, R.G.	1911LicOB...6..163A
A__1911		Lick Obs. Bull. 6, 163, 1911
A__1911b	Ma -	Aitken, R.G.	1911PASP...23..238A
A__1911b		PASP 23, 238, 1911 (all data also in other refs)
A__1912	Ma -	Aitken, R.G.	1912LicOB...7...93A
A__1912		Lick Obs. Bull. 7, 93, 1912
A__1912b	-	Aitken, R.G.	1912LicOB...2....3A
A__1912b		Lick Obs. Bull. 7, 3, 1912 (no data)
A__1912c	-	Aitken, R.G.	1912PASP...24..126A
A__1912c		PASP 24, 126, 1912 (no data)
A__1912d	orb -	Aitken, R.G.	1912PASP...24..165A
A__1912d		PASP 24, 165, 1912
A__1912e	orb -	Aitken, R.G.	1912PASP...24..216A
A__1912e		PASP 24, 216, 1912
A__1912f	Ma -	Aitken, R.G.	1912PASP...24..228A
A__1912f		PASP 24, 228, 1912 (all data also in other refs)
A__1912g	Ma -	Aitken, R.G.	1912PA.....20..643A
A__1912g		Popular Astron. 20, 643, 1912 (all data also in other refs)
A__1913	Ma -	Aitken, R.G.	1913LicOB...7..186A
A__1913		Lick Obs. Bull. 7, 186, 1913
A__1913b	Ma -	Aitken, R.G.	1913PASP...25...41A
A__1913b	+orb	PASP 25, 41, 1913 (all data also in other refs)
A__1914a	Ma -	Aitken, R.G.	1914LicOB...8...52A
A__1914a		Lick Obs. Bull. 8, 52, 1914
A__1914b	Ma -	Aitken, R.G.	1914LicOB...8...93A
A__1914b		Lick Obs. Bull. 8, 93, 1914
A__1914c	Ma -	Aitken, R.G.	1914LicOB...8...96A
A__1914c		Lick Obs. Bull. 8, 96, 1914
A__1914d	Ma j	Aitken, R.G.	1914PLicO..12....1A
A__1914d	+orb	Pub. Lick Obs. 12, 1, 1914
A__1914e	orb -	Aitken, R.G.	1914PLicO..12..100A
A__1914e		Pub. Lick Obs. 12, 100, 1914
A__1914f	orb -	Aitken, R.G.	1914LicOB...8...99A
A__1914f		Lick Obs. Bull. 8, 99, 1914
A__1914g	Ma -	Aitken, R.G.	1914PASP...26...53A
A__1914g		PASP 26, 53, 1914 (all data also in other refs)
A__1914h	Ma -	Aitken, R.G.	1914PASP...26..205A
A__1914h		PASP 26, 205, 1914 (all data also in other refs)
A__1914i	Ma -	Aitken, R.G.	1914PASP...26..208A
A__1914i	+orb	PASP 26, 208, 1914 (all data also in other refs)
A__1915	Ma -	Aitken, R.G.	1915PASP...27..230A
A__1915		PASP 27, 230, 1915 (some data also in other refs)
A__1916a	orb -	Aitken, R.G.	1916PASP...28..121A
A__1916a		PASP 28, 121, 1916
A__1916b	Ma -	Aitken, R.G.	1916PASP...28..276A
A__1916b		PASP 28, 276, 1916 (all data also in other refs)
A__1917a	Ma -	Aitken, R.G.	1917PASP...29..207A
A__1917a		PASP 29, 207, 1917 (all data also in other refs)
A__1917b	Ma -	Aitken, R.G.	1917PASP...29..217A
A__1917b		PASP 29, 217, 1917 (all data also in other refs)
A__1918a	Ma -	Aitken, R.G.	1918LicOB...9..132A
A__1918a		Lick Obs. Bull. 9, 132, 1918
A__1918b	orb -	Aitken, R.G.	1918LicOB...9..184A
A__1918b		Lick Obs. Bull. 9, 184, 1918
A__1918c	orb -	Aitken, R.G.	1918LicOB...9..191A
A__1918c		Lick Obs. Bull. 9, 191, 1918
A__1918d	orb -	Aitken, R.G.	1918PAAS....3R..68A
A__1918d		PAAS 3, 68, 1918
A__1918e	Ma -	Aitken, R.G.	1918PASP...30...69A
A__1918e		PASP 30, 69, 1918 (all data also in other refs)
A__1918f	Ma -	Aitken, R.G.	1918PASP...30...71A
A__1918f		PASP 30, 71, 1918 (all data also in other refs)
A__1918g	orb -	Aitken, R.G.	1918PASP...30..194A
A__1918g		PASP 30, 194, 1918
A__1918h	Ma -	Aitken, R.G.	1918PASP...30..262A
A__1918h		PASP 30, 262, 1918 (all data also in other refs)
A__1918i	orb -	Aitken, R.G.	1918PASP...30..311A
A__1918i		PASP 30, 311, 1918
A__1919a	Ma -	Aitken, R.G.	1919PASP...31...44A
A__1919a		PASP 31, 44, 1919 (all data also in other refs)
A__1919b	Ma -	Aitken, R.G.	1919PASP...31..116A
A__1919b		PASP 31, 116, 1919 (all data also in other refs)
A__1919c	Ma -	Aitken, R.G.	1919PASP...31..197A
A__1919c		PASP 31, 197, 1919 (all data also in other refs)
A__1919d	orb -	Aitken, R.G.	1919PASP...31..285A
A__1919d		PASP 31, 285, 1919
A__1920a	Ma -	Aitken, R.G.	1920RGOO.....f...1.
A__1920a		Greenwich Observations, F1, 1920
A__1920b	Ma -	Aitken, R.G.	1920PASP...32...56A
A__1920b		PASP 32, 56, 1920 (most data also in other refs)
A__1920c	orb -	Aitken, R.G.	1920PASP...32..215A
A__1920c		PASP 32, 215, 1920
A__1921a	Ma -	Aitken, R.G.	1921PASP...33...60A
A__1921a		PASP 33, 60, 1921 (all data also in other refs)
A__1921b	Ma -	Aitken, R.G.	1921PASP...33..270A
A__1921b		PASP 33, 270, 1921 (all data also in other refs)
A__1922a	-	Aitken, R.G.	1922PASP...34...52A
A__1922a		PASP 34, 52, 1922 (no data)
A__1922b	orb -	Aitken, R.G.	1922PAAS....4....6A
A__1922b		Pub. AAS 4, 6, 1922
A__1923a	Ma j	Aitken, R.G.	1923LicOB..11...58A
A__1923a	+orb	Lick Obs. Bull. 11, 58, 1923
A__1923b	orb -	Aitken, R.G.	1923PASP...35..258A
A__1923b		PASP 35, 258, 1923
A__1923c	orb -	Aitken, R.G.	1923LicOB..11...66A
A__1923c		Lick Obs. Bull. 11, 66, 1923
A__1923d	orb -	Aitken, R.G.	1923LicOB..11...70A
A__1923d		Lick Obs. Bull. 11, 70, 1923
A__1923e	orb -	Aitken, R.G.	1923LicOB..11...79A
A__1923e		Lick Obs. Bull. 11, 79, 1923
A__1923f	orb -	Aitken, R.G.	1923LicOB..11...83A
A__1923f		Lick Obs. Bull. 11, 83, 1923
A__1923g	orb -	Aitken, R.G.	1923LicOB..11...85A
A__1923g		Lick Obs. Bull. 11, 85, 1923
A__1923h	orb -	Aitken, R.G.	1923LicOB..11...97A
A__1923h		Lick Obs. Bull. 11, 97, 1923
A__1923i	orb -	Aitken, R.G.	1923PASP...35...70A
A__1923i		PASP 35, 70, 1923
A__1923j	Ma -	Aitken, R.G.	1923PASP...35..323A
A__1923j		PASP 35, 323, 1923 (all data also in other refs)
A__1924	Ma -	Aitken, R.G.	1924PASP...36..296A
A__1924		PASP 36, 296, 1924 (all data also in other refs)
A__1925a	orb -	Aitken, R.G.	1925PASP...37..222A
A__1925a	+D	PASP 37, 222, 1925
A__1925b	orb -	Aitken, R.G.	1925LicOB..12...45A
A__1925b		Lick Obs. Bull. 12, 45, 1925
A__1925c	orb -	Aitken, R.G.	1925LicOB..12...47A
A__1925c		Lick Obs. Bull. 12, 47, 1925
A__1925D	Ma -	Aitken, R.G.	1925MNRAS..85..276E
A__1925D		cited by Milburn (MNRAS 85, 276, 1925)
A__1926a	Ma -	Aitken, R.G.	1926PASP...38..131A
A__1926a		PASP 38, 131, 1926 (all data also in other refs)
A__1926b	Ma -	Aitken, R.G.	1926PASP...38..334A
A__1926b		PASP 38, 334, 1926 (all data also in other refs)
A__1927a	Ma -	Aitken, R.G.	1927LicOB..12..170A
A__1927a		Lick Obs. Bull. 12, 170, 1927
A__1927b	Ma j	Aitken, R.G.	1927LicOB..12..173A
A__1927b		Lick Obs. Bull. 12, 173, 1927
A__1927c	orb -	Aitken, R.G.	1927PASP...39...45A
A__1927c		PASP 39, 45, 1927
A__1928	Ma -	Aitken, R.G.	1928PASP...40..355A
A__1928		PASP 40, 355, 1928 (all data also in other refs)
A__1929a	Ma -	Aitken, R.G.	1929LicOB..14...62A
A__1929a		Lick Obs. Bull. 14, 62, 1929
A__1929b	Ma -	Aitken, R.G.	1929LicOB..14...88A
A__1929b		Lick Obs. Bull. 14, 88, 1929
A__1930a	Ma -	Aitken, R.G.	1930PASP...42...60A
A__1930a		PASP 42, 60, 1930 (all data also in other refs)
A__1930b	Ma -	Aitken, R.G.	1930PASP...42..123A
A__1930b		PASP 42, 123, 1930 (most data also in other refs)
A__1932a	Ma -	Aitken, R.G.	1932QB821.A43......
A__1932a		Aitken Double Star Catalogue, 1932
A__1932b	Ma -	Aitken, R.G.	1932QB821.A43......
A__1932b		Aitken Double Star Catalogue, 1932 (formerly combined in means)
A__1932c	orb -	Aitken, R.G.	1932PASP...44..127A
A__1932c		PASP 44, 127, 1932
A__1932d	orb -	Aitken, R.G.	1932PASP...44..129A
A__1932d		PASP 44, 129, 1932
A__1932e	Ma -	Aitken, R.G.	1932PASP...44..132A
A__1932e		PASP 44, 132, 1932 (all data also in other refs)
A__1933a	Ma -	Aitken, R.G.	1933PASP...45...90A
A__1933a		PASP 45, 90, 1933
A__1933b	Ma -	Aitken, R.G.	1933PASP...45..261A
A__1933b		PASP 45, 261, 1933
A__1933c	Ma -	Aitken, R.G.	1933LicOB..16...93A
A__1933c		Lick Obs. Bull. 16, 93, 1933
A__1933d	Ma -	Aitken, R.G.	1933LicOB..16...96A
A__1933d		Lick Obs. Bull. 16, 96, 1933
A__1933e	Ma -	Aitken, R.G.	1933PASP...45..190A
A__1933e		PASP 45, 190, 1933 (all data also in other refs)
A__1934a	Ma -	Aitken, R.G.	1934PASP...46..110A
A__1934a		PASP 46, 110, 1934 (all data also in other refs)
A__1934b	-	Aitken, R.G.	1934PASP...46..284A
A__1934b		PASP 46, 284, 1934 (no data)
A__1935e	Ma j	Aitken, R.G.	1935LicOB..17...91A
A__1935e		Lick Obs. Bull. 17, 91, 1935
A__1935f	-	Aitken, R.G.	1935QB821.A3.......
A__1935f		The Binary Stars, 1935
A__1936	orb -	Aitken, R.G.	1936PASP...48..175A
A__1936		PASP 48, 175, 1936
A__1937a	Ma -	Aitken, R.G.	1937LicOB..18...53A
A__1937a		Lick Obs. Bull. 18, 53, 1937
A__1937b	Ma -	Aitken, R.G.	1937LicOB..18..109A
A__1937b		Lick Obs. Bull. 18, 109, 1937
A__9999	Ma -	Aitken, R.G.	...................
A__9999		Unpublished, manuscript or reference not found.
OCC1971	O j	Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,	1971Natur.234..405T
OCC1971		Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC1971		Nature 234, 405, 1971 (also summarized in OCC2010)
OCC1972	O j	Hubbard, W.B. & van Flandern, T.C.	1972AJ.....77...65H
OCC1972		AJ 77, 65, 1972
OCC1976	O j	Taylor, G.E., Walker, E.N., Quintanilla, A.R. & Lopez de Coca, M.P.	1976A&A....50..121T
OCC1976		A&A 50, 121, 1976 (also summarized in OCC2010)
OCC1990	O j	Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,	1990AJ.....99.1636D
OCC1990		A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC1990		AJ 99, 1636, 1990 (also summarized in OCC2010)
OCC1993	O j	Sato, I., Soma, M. & Hirose, T.	1993AJ....105.1553S
OCC1993		AJ 105, 1553, 1993 (also summarized in OCC2010)
OCC2001	O -	Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,	2001BASI...29..577V
OCC2001		Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC2001		Bull. Astr. Soc. India 29, 577, 2001 (also summarized in OCC2010)
OCC2002	O -	Occult. Doubles Cat., D. Dunham, ed.	.
OCC2002		http://www.lunar-occultations.com/iota/iotandx.htm
OCC2008	O j	Ling, A.	2008JRASC.102...15L
OCC2008		JRASC 102, 15, 2008
OCC2009	O u	Herald, D. and Sandy, R.	2009JDSO....5..208H
OCC2009		JDSO 5, 208, 2009
OCC2009b	O j	Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,	2009PASP..121..359L
OCC2009b		Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC2009b		PASP 121, 359, 2009 (also summarized in OCC2010)
OCC2010	O u	Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,	2010JDSO....6...88H
OCC2010		T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC2010		JDSO 6, 88, 2010
OCC2010b	O u	Herald, D., Loader, B. & Parker, S.	2010JDSO....6..150H
OCC2010b		JDSO 6, 150, 2010
OCC2010c	O -	Herald, D., Kashiwagura, M., Loader, B., Messner, S., Sandy, R. & Togashi, H.	2010JDSO....6..152H
OCC2010c		JDSO 6, 152, 2010
OCC2010d	O u	Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,	2010JDSO....6..176L
OCC2010d		E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC2010d		JDSO 6, 176, 2010
OCC2011	O u	George, T., Timerson, B., Coughlin, K. & Fleishman, R.	2011JDSO....7..129G
OCC2011		JDSO 7, 129, 2011
OCC2011b	O u	Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,	2011JDSO....7..159L
OCC2011b		E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC2011b		JDSO 7, 159, 2011
OCC2011c	O u	George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,	2011JDSO....7..169G
OCC2011c		Suggs, R., Venable, R. & Warren, W.H.
OCC2011c		JDSO 7, 169, 2011
OCC2011d	O -	George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,	2011JDSO....7..175G
OCC2011d		di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC2011d		JDSO 7, 175, 2011
OCC2011e	O j	Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,	...................
OCC2011e		Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC2011e		J. for Occultation Astron., #3, Jul-Sep 2011 (some data also in OCC2008)
OCC2012a	O j	George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,	2012JDSO....8..306G
OCC2012a		Centala, J., Modic, R., & Slauson, D.
OCC2012a		JDSO 8, 306, 2012
OCC2012b	O u	Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,	2012JDSO....8..313L
OCC2012b		Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC2012b		JDSO 8, 313, 2012
OCC2013a	O -	George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,	2013JDSO....9...88G
OCC2013a		Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC2013a		JDSO 9, 88, 2013
OCC2013b	O j	Giacchini, B.L., Timerson, B., George, T., Degenhardt, S. & Herald, D.	2013JDSO....9..130G
OCC2013b		JDSO 9, 130, 2013
OCC2013c	O j	Casas, R., Juan, J., Naves, R., Perello, C., Rovira, J., Selva, A. & Schnabel, C.	2013JDSO....9..183C
OCC2013c		JDSO 9, 183, 2013
OCC2013d	O j	Herald, D., Talbot, J., Bradshaw, J., Broughton, J., Hanna, W. & Watson, D.	2013JDSO....9..226H
OCC2013d		JDSO 9, 226, 2013
OCC2013e	O -	Herald, D.	2013JDSO....9..274H
OCC2013e		JDSO 9, 274, 2013
OCC2014a	O -	Loader, B.	2014JDSO...10....2L
OCC2014a		JDSO 10, 2, 2014
OCC2014b	O -	Gault, D.	2014JDSO...10....4G
OCC2014b		JDSO 10, 4, 2014
OCC2014c	O -	Herald, D., Talbot, J., Chad, C., Broughton, J. & Anderson, P.	2014JDSO...10...29H
OCC2014c		JDSO 10, 29, 2014
OCC2014d	O j	Herald, D., Talbot, J. & Kerr, S.	2014JDSO...10..107H
OCC2014d		JDSO 10, 107, 2014
OCC2014e	O u	Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,	2014JDSO...10..150L
OCC2014e		Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC2014e		JDSO 10, 150, 2014
OCC2014f	O -	Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,	2014JDSO...10..240S
OCC2014f		Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC2014f		JDSO 10, 240, 2014
OCC2016a	O j	Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,	2016JDSO...12..143L
OCC2016a		Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC2016a		JDSO 12, 143, 2016
OCC2016b	O -	Gault, D. & Herald, D.	2016JDSO...12..556G
OCC2016b		JDSO 12, 556, 2016
OCC2017a	O j	Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,	2017JDSO...13..585L
OCC2017a		Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC2017a		JDSO 13, 585, 2016
OCC2018a	O j	Timerson, B., George, T., Blank, T., Maley, P., Messner, S. & Moore, J.	2018JDSO...14..395T
OCC2018a		JDSO 14, 395, 2018	.
OCC2019a	O j	Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,	2019JDSO...15..162T
OCC2019a		J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
OCC2019a		Thomas, W.
OCC2019a		JDSO 15, 162, 2019	.
OCC2019b	O j	Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,	2019JDSO...15..268H
OCC2019b		Terakubo, K., Sato, M. & Shima, K.
OCC2019b		JDSO 15, 268, 2019	.
OCC2019c	O j	Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,	2019JDSO...15..503L
OCC2019c		C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
OCC2019c		Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
OCC2019c		Watanabe, H., Yamamura, H. & Yoshida, H.
OCC2019c		JDSO 15, 503, 2019	.
OCC2019d	O j	Giacchini, B.L., George, T., Spagnotto, J. & Wilberger, A.J.	2019JDSO...15..554G
OCC2019d		JDSO 15, 554, 2019	.
OCC2020a	O -	Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &	2020JDSO...16...87P
OCC2020a		Selva, A.
OCC2020a		JDSO 16, 87, 2020
OCC2020b	O	Herald, D.	2020JDSO...16..113H
OCC2020b		JDSO 16, 105, 2020
OCC2020c	O	Bardecker, J. & Messner, S.	2020JDSO...16..405B
OCC2020c		JDSO 16, 405, 2020
OCC2020d	O	Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,	2020JDSO...16..440G
OCC2020d		R., Trank, R., Preston, S. & Herald, D.
OCC2020d		JDSO 16, 440, 2020
OCC2020e	O	Boutet, M. & Sanchez, J.	2020JDSO...16..483B
OCC2020e		JDSO 16, 483, 2020
OCC2021a	O	Hayamizu, T., Soma, M., Watanabe, Ha., Asai, A., Watanable, Hi. & Nohara, H.	2021JDSO...17..131H
OCC2021a		JDSO 17, 131, 2021
OCC2021b	O	Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,	2021JDSO...17..230F
OCC2021b		Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
OCC2021b		Sposetti, S. & Aissa, D.B.
OCC2021b		JDSO 17, 230, 2021
OCC2022a	O	Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,	2022JDSO...18...61H
OCC2022a		Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
OCC2022a		JDSO 18, 61, 2022
OCC2022b	O j	Andersson, S.	2022JDSO...18..207A
OCC2022b		JDSO 18, 207, 2022
OCC2022c	O j	Klos, O.	2022JDSO...18..210K
OCC2022c		JDSO 18, 210, 2022
OCC2023a	O j	Bardecker, J.	2023JDSO...19...59B
OCC2023a		JDSO 19, 59, 2023

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab		0			7.80	7.80	F9V		172034.40-192000.2
17206-1920	OCC 529	Aa,Ab	1977	0	-1	1.3	7.80	7.80	F9V		172034.40-192000.2

If you need more information about this double, apply for a data request form to the WDS.

WDS 17206-1920 OCC 529 Aa,Ab (HD 156846) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17206-1920 OCC 529 Aa,Ab (HD 156846) : MEASURES

No records found.

WDS 17206-1920 (HD 156846) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 17206-1920 (HD 156846) : ALADIN DSS IMAGE @ 17^h 20^m 34.40^s -19° 20' 00.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17206-1920 OCC 529 Aa,Ab (HD 156846) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		17206-1920	A 2241	AB	70	5.3
Show		17206-1920	OCC 529	Aa,Ab	-1	1.3
Show		17199-1941	A 2240		203	1.6	24
Show		17188-1915	I 591		36	1.1	26
Show		17226-1937	MOC 12	AB	14	2.8	34
Show		17226-1937	MOC 12	AC	241	4.3	34
Show		17226-1937	MOC 12	AD	177	5.0	34
Show		17194-1849	SLE 12		203	24.2	36
Show		17203-1842	RST3089		159	0.6	39
Show		17219-1846	SLE 14		290	16.3	39
Show		17233-1927	HDS2455		314	0.4	39
Show		17200-1959	I 592		270	14.7	40
Show		17178-1940	BHA 18		40	6.0	44
Show		17224-1839	ARA 442		307	6.2	49
Show		17189-2005	ARA 713		300	7.1	52
Show		17226-2004	B 2834		354	6.5	53
Show		17165-1920	BU 958		210	1.9	58
Show		17214-1817	ARA 441		234	6.6	65
Show		17228-2024	TDT 327		83	0.6	71
Show		17226-1815	ARA 443		332	14.0	72
Show		17189-2029	ARA1124		73	6.6	73
Show		17258-1918	RST5542	AB	289	0.1	75
Show		17258-1918	HLD 135	AB,C	89	2.6	75
Show		17190-2034	RSS 435		303	19.8	78
Show		17212-1802	ARA 249		328	5.4	79
Show		17150-1933	OCC 520		-1	0.0	80
Show		17262-1930	GWP2712		70	11.9	81
Show		17232-1807	A 2242		291	3.1	82
Show		17264-1931	HJ 4953		174	18.4	84
Show		17147-1919	RST3079		139	1.7	84
Show		17151-1951	B 336	AB	230	9.7	84
Show		17151-1951	B 336	BC	163	3.7	85
Show		17221-2044	SEE 326		7	0.9	88
Show		17250-2022	DON 838		340	0.4	89
Show		17144-1901	A 2238		207	0.9	90
Show		17234-1758	OCC 14		-1	0.1	92
Show		17171-1802	KPP2765		179	9.1	92
Show		17168-1801	OL 100		338	4.0	94
Show		17226-2049	DON 833		257	7.8	94
Show		17199-1745	BU 126	AB	265	2.4	96
Show		17199-1745	BU 126	AC	141	11.5	96
Show		17170-1759	STN 33		54	1.1	96
Show		17268-1959	I 599		133	2.2	97
Show		17157-1811	WHC 14	AB	290	1.2	98
Show		17157-1811	HJ 4932	AC	227	10.4	98
Show		17210-2107	DON 832	AB	26	4.1	107
Show		17210-2107	TNN 8	AC	261	10.8	107
Show		17246-1749	GWP2708		350	20.6	108
Show		17135-2002	ARA 710		89	11.0	109
Show		17136-1832	OCC 992		-1	0.0	110
Show		17134-1840	ARA 439		248	10.1	110

WDS 17206-1920 : COMPONENTS

	A	Ab
Ab	pa=0.0° sep=0.00"
B	pa=69.2° sep=5.08"	pa=69.2° sep=5.08"

17206-1920 A

Coord arcsec 2000	172034.40-192000.2	Mag	6.6	Spectral class	F9V (yellow-white)	PmRA	-131.00
PmDE	-146.0	SAO	160474	HIP	84856	Tycho2	6242-00339-1
HD	156846	HR	6441	GC	23420	BD	BD-19 4605

Tycho2

Tycho2	6242-00339-1	Pflag		RAmdeg	260.14296565	DEmdeg	-19.33374641
PmRA	-136.6	PmDE	-143.1	E RAmdeg	4	E DEmdeg	4
E pmRA	1.2	E pmDE	1.3	EpRAm	1991.50	EpDEm	1990.99
Num	16	Q RAmdeg	1.0	Q DEmdeg	0.8	Q pmRA	1.0
Q pmDE	0.7	BTmag	7.204	E BTmag	0.015	VTmag	6.564
E VTmag	0.010	Prox	999	TYC	T	HIP	84856
CCDM		RAdeg	260.14329861	DEdeg	-19.33339611	EpRA 1990	1.72
EpDE 1990	1.19	E RAdeg	3.7	E DEdeg	4.4	Posflg
Corr	0.0

SAO

SAO	160474	DelFlag		RA1950		PmRA1950	-0.0108
DE1950		PmDE1950	-0.103	Vmag	6.5	SpType	G0
Double code		Source	70	CatNum	23420	DM	BD-19 4605
DMcomp		BDsup		HD	156846	M HD	0
GC	23420	RA1950rad	4.52752529	DE1950rad	-0.3365313	PmRA2000	-0.0107
PmDE2000	-0.102

Hipparcos

Catalog	H	HIP	84856	Proxy		RAhms	17 20 34.40
DEdms	-19 20 00.2	Vmag	6.5	VarFlag		R Vmag	G
RAdeg	260.143	DEdeg	-19.3334	AstroRef		Plx	20.41
CCDM	17206-1920	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	156846	BD	BD-19 4605
CD		CP		Dm number	-19 4605	VIred	0.66
SpType	G1V	R SpType		Coord arcsec 2000	172034.40-192000.2

Hipparcos 2

HIP	84856	Sn	5	So	0	Nc	1
RArad	4.5403573861	DErad	-0.3374314704	Plx	21	PmRA	-136.65
PmDE	-144.25	E RArad	0.48	E DErad	0.28	E Plx	0.51
E pmRA	0.61	E pmDE	0.29	Hpmag	6.6293	E Hpmag	0.0011
SHp	0.007	VA	0	BV	0.578	E BV	0.003
VI	0.66

CCDM

Ccdm	17206-1920	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.78	DDEs	2.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	6.6	Sp	G0	PmNote	*
PmRA	-151	PmDE	-103	Dm number	-19 4605	Cat1	BD
Name2	160474	Cat2	SAO	HD	156846	M HD
ADS BDS	A10476	M ADS BDS		N IDS		IDS	17147S1914A
HIC	84856

17206-1920 Ab

Coord arcsec 2000

172034.40-192000.2

Mag

7.8

Calc coord

yes

17206-1920 B

Coord arcsec 2000

172034.74-191958.4

Mag

14.1

Calc delta mag

6.3

Calc coord

yes

CCDM

Ccdm	17206-1920	RComp		Comp	B	Note1
Note2		Discov num	A 2241	DRAs		DDEs
R dRAs		Year	1910	Theta	076	Rho	5.1
Obs	3	Vmag	14.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A10476	M ADS BDS		N IDS		IDS	17147S1914B
HIC	84856