stampa
Login

Set your own preferrences to customize your experience with Stelle Doppie!
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18011-1804
A 2256 AB,D


Nearby doubles
32' : 17590-1754
TDS 894

34' : 17590-1820
ARA 449

42' : 17584-1747
RST3140

44' : 18007-1721
SKF 86

47' : 17594-1724
RST3144

50' : 18039-1832
ARA 450

53' : 17574-1804
A 2254

54' : 18009-1858
HJ 2815

61' : 18023-1903
ARA 722

66' : 18036-1859
TSN 185

74' : 17590-1658
ARA 97

75' : 18025-1916
BHA 22

79' : 18047-1903
B 2852

79' : 18048-1902
OCC 536

80' : 18004-1923
OCC 526

80' : 18039-1913
B 2431

81' : 18046-1702
HU 194

82' : 18033-1919
BRT1512

83' : 17582-1916
CHR 66

83' : 17569-1903
FEN 25

83' : 17571-1906
ARA 719

86' : 17551-1818
ARA 448

88' : 18055-1906
ARA 727

89' : 17579-1921
RST5097

89' : 17554-1843
RST3136

92' : 18041-1644
RST3993



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18011-1804 A 2256 AB,D

 
 
18h 01m 03.14s -18° 04' 24.3" P.A. 128.00 sep 7.2 mag 8.40,13.00 Sp B9V
 
 
Coord 2000 18011-1804 Discov num A  2256 Comp AB,D Coord arcsec 2000 18 01 03.14 -18 04 24.3
Date first 1910 Date last 1998 Obs 4
Pa first 130 Pa last 128.3 P.A. Now (θ) 128.3°
Sep first 7.1 Sep last 7.21 Sep. Now (ρ) 7.21"
Mag pri 8.40 Mag sec 13.00 delta mag (ΔM) 4.6 Spectral class B9V (blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18011-1804 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 160994 18 01 03 -18 04 24 A 2256 AB 2015 7 161 0.2 8.80 9.80 1.00
Show 160994 18 01 03 -18 04 24 A 2256 AB,C 1917 1 4 6.8 8.40 13.90 5.50
Show 160994 18 01 03 -18 04 24 A 2256 AB,D 1998 4 128 7.2 8.40 13.00 4.60 <===
Show HD 164261 160994 18 01 03 -18 04 24 A 2256 AB,E 2016 4 124 21.9 8.40 12.40 4.00
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 160994 Tycho2 6255-01015-1 Gaia DR2 4143553966388921728
HD 164261
 
 
WDS 18011-1804 A 2256 AB,D : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18011-1804 A 2256 AB,D 1998 4 128 7.2 8.40 13.00 B9V D 180103.14-180424.3

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

 
 
WDS 18011-1804 A 2256 AB,D : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18011-1804 A 2256 AB,D : MEASURES
 
 
No records found.

 
 
WDS 18011-1804 : VIRTUAL EYEPIECE
 
 

18011-1804 A 2256A mag 8.8 Sp B9V 18011-1804 A 2256B sep 0.2 P.A. 161.60 mag 9.8 18011-1804 A 2256C sep 6.8 P.A. 3.60 mag 13.9 18011-1804 A 2256D sep 7.0 P.A. 129.70 mag 13 18011-1804 A 2256E sep 21.2 P.A. 125.20 mag 12.4 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18011-1804 : ALADIN DSS IMAGE @ 18h 01m 03.14s -18° 04' 24.3"
 
 
 
 
WDS 18011-1804 A 2256 AB,D : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18011-1804 A 2256AB distance=1' 18011-1804 A 2256AB,C distance=1' 18011-1804 A 2256AB,D distance=1' 18011-1804 A 2256AB,E distance=1' 17590-1754 TDS 894 distance=32' 17590-1820 ARA 449 distance=34' 17584-1747 RST3140 distance=42' 18007-1721 SKF 86 distance=44' 17594-1724 RST3144 distance=47' 18039-1832 ARA 450 distance=50' 17574-1804 A 2254 distance=53' 18009-1858 HJ 2815 distance=54' 18023-1903 ARA 722 distance=61' 18036-1859 TSN 185 distance=66' 17590-1658 ARA 97 distance=74' 18025-1916 BHA 22 distance=75' 18047-1903 B 2852 distance=79' 18048-1902 OCC 536 distance=79' 18004-1923 OCC 526 distance=80' 18039-1913 B 2431 distance=80' 18039-1913 OCC 537Aa,Ab distance=80' 18046-1702 HU 194 distance=81' 18033-1919 BRT1512 distance=82' 17582-1916 CHR 66 distance=83' 17569-1903 FEN 25 distance=83' 17571-1906 ARA 719 distance=83' 17551-1818 ARA 448 distance=86' 18055-1906 ARA 727 distance=88' 17579-1921 RST5097 distance=89' 17554-1843 RST3136 distance=89' 18041-1644 RST3993 distance=92' 18066-1712 HJ 2818 distance=95' 17577-1927 OCC 525 distance=96' 17574-1925 SKF 933 distance=96' 17569-1920 B 2846 distance=96' 18067-1859 HJ 592 distance=98' 18012-1942 B 2849 distance=98' 17543-1828 A 2253 distance=100' 18072-1854 A 2259BC distance=101' 18072-1854 STN 41A,BC distance=101' 18046-1936 HJ 2817 distance=106' 18078-1852 ARA 451 distance=107' 18011-1952 A 2387AB distance=108' 18011-1952 I 9027AC distance=108' 17590-1620 RST3989 distance=109' 18087-1756 TDT 706Aa,Ab distance=109' 18087-1756 ARA 266AB distance=109' 18086-1823 GAU9002 distance=110' 18082-1847 ARA 452 distance=111' 18010-1614 TDT 637 distance=111' 18079-1709 ARA 265 distance=113' grafico limitrofi
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 18011-1804 A 2256 AB 161 0.2 1
Show 18011-1804 A 2256 AB,C 4 6.8 1
Show 18011-1804 A 2256 AB,D 128 7.2 1
Show 18011-1804 A 2256 AB,E 124 21.9 1
Show 17590-1754 TDS 894 13 1.3 32
Show 17590-1820 ARA 449 288 14.1 34
Show 17584-1747 RST3140 320 0.6 42
Show 18007-1721 SKF 86 2 4.4 44
Show 17594-1724 RST3144 97 0.4 47
Show 18039-1832 ARA 450 66 8.0 50
Show 17574-1804 A 2254 171 0.3 53
Show 18009-1858 HJ 2815 104 14.4 54
Show 18023-1903 ARA 722 269 7.2 61
Show 18036-1859 TSN 185 325 0.2 66
Show 17590-1658 ARA 97 184 6.3 74
Show 18025-1916 BHA 22 63 3.8 75
Show 18047-1903 B 2852 144 4.1 79
Show 18048-1902 OCC 536 -1 0.1 79
Show 18004-1923 OCC 526 -1 0.4 80
Show 18039-1913 B 2431 285 9.7 80
Show 18039-1913 OCC 537 Aa,Ab 104 0.9 80
Show 18046-1702 HU 194 297 0.4 81
Show 18033-1919 BRT1512 34 3.8 82
Show 17582-1916 CHR 66 111 0.4 83
Show 17569-1903 FEN 25 14 5.1 83
Show 17571-1906 ARA 719 150 15.0 83
Show 17551-1818 ARA 448 68 7.6 86
Show 18055-1906 ARA 727 24 9.9 88
Show 17579-1921 RST5097 183 0.9 89
Show 17554-1843 RST3136 353 1.9 89
Show 18041-1644 RST3993 14 1.0 92
Show 18066-1712 HJ 2818 139 17.7 95
Show 17577-1927 OCC 525 -1 0.3 96
Show 17574-1925 SKF 933 161 3.8 96
Show 17569-1920 B 2846 141 10.9 96
Show 18067-1859 HJ 592 206 36.6 98
Show 18012-1942 B 2849 351 12.5 98
Show 17543-1828 A 2253 75 0.4 100
Show 18072-1854 A 2259 BC 202 1.3 101
Show 18072-1854 STN 41 A,BC 211 29.8 101
Show 18046-1936 HJ 2817 275 13.4 106
Show 18078-1852 ARA 451 182 7.7 107
Show 18011-1952 A 2387 AB 44 1.0 108
Show 18011-1952 I 9027 AC 301 33.3 108
Show 17590-1620 RST3989 171 2.4 109
Show 18087-1756 TDT 706 Aa,Ab 98 0.8 109
Show 18087-1756 ARA 266 AB 125 11.9 109
Show 18086-1823 GAU9002 125 26.8 110
Show 18082-1847 ARA 452 263 12.5 111
Show 18010-1614 TDT 637 313 0.6 111
Show 18079-1709 ARA 265 326 14.2 113

 
 
WDS 18011-1804 : COMPONENTS
 
 
  A B C D
B pa=161.6°
sep=0.25"
 
C pa=3.6°
sep=6.83"
pa=2.9°
sep=7.06"
 
D pa=129.7°
sep=6.99"
pa=128.6°
sep=6.78"
pa=156.3°
sep=12.32"
 
E pa=125.2°
sep=21.16"
pa=124.8°
sep=20.96"
pa=138.4°
sep=25.41"
pa=122.9°
sep=14.20"
 
 
18011-1804 A
 
 
Coord arcsec 2000 180103.14-180424.3 Mag 8.8 Spectral class B9V (blue-white) PmRA -2.00
PmDE -2.0 SAO 160994 Tycho2 6255-01015-1 HD 164261
GC 24507 DM BD-18 4757
Tycho2
Tycho2 6255-01015-1 Pflag RAmdeg 270.26310032 DEmdeg -18.07343068
PmRA -2.0 PmDE -2.1 E RAmdeg 6 E DEmdeg 8
E pmRA 1.3 E pmDE 1.5 EpRAm 1991.27 EpDEm 1991.05
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 8.541 E BTmag 0.017 VTmag 8.402
E VTmag 0.014 Prox 973 TYC T HIP
CCDM RAdeg 270.26310556 DEdeg -18.07342583 EpRA 1990 1.82
EpDE 1990 1.78 E RAdeg 5.9 E DEdeg 7.5 Posflg
Corr 0.1
SAO
SAO 160994 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.002 Vmag 8.8 SpType A0
Double code Source 70 CatNum 24507 DM BD-18 4757
DMcomp BDsup HD 164261 M HD 0
GC 24507 RA1950rad 4.70421135 DE1950rad -0.31542975 PmRA2000 -0.0004
PmDE2000 0.004
CCDM
Ccdm 18011-1804 RComp Comp A Note1
Note2 Discov num DRAs -2.87 DDEs -23.6
R dRAs 10 Year Theta Rho
Obs 5 Vmag 9.2 Sp A0 PmNote *
PmRA -6 PmDE 3 Dm number -18 4757 Cat1 BD
Name2 160994 Cat2 SAO HD 164261 M HD
ADS BDS A10967 M ADS BDS N IDS IDS 17552S1804A
HIC
 
 
18011-1804 B
 
 
Coord arcsec 2000 180103.15-180424.5 Mag 9.8 Calc delta mag 1 Calc coord yes
CCDM
Ccdm 18011-1804 RComp Comp B Note1
Note2 Discov num A 2256 DRAs DDEs
R dRAs Year 1910 Theta 148 Rho 0.4
Obs 4 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10967 M ADS BDS N IDS IDS 17552S1804B
HIC
 
 
18011-1804 C
 
 
Coord arcsec 2000 180103.17-180417.5 Mag 13.9 Calc delta mag 5.1 Calc coord yes
CCDM
Ccdm 18011-1804 RComp Comp C Note1
Note2 Discov num A 2256 DRAs DDEs
R dRAs Year 1917 Theta 004 Rho 6.8
Obs 1 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10967 M ADS BDS N IDS IDS 17552S1804C
HIC
 
 
18011-1804 D
 
 
Coord arcsec 2000 180103.52-180428.8 Mag 13 Calc delta mag 4.2 Calc coord yes
CCDM
Ccdm 18011-1804 RComp Comp D Note1
Note2 Discov num A 2256 DRAs DDEs
R dRAs Year 1910 Theta 129 Rho 7.3
Obs 3 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10967 M ADS BDS N IDS IDS 17552S1804D
HIC
 
 
18011-1804 E
 
 
Coord arcsec 2000 180104.35-180436.5 Mag 12.4 PmRA 5.00 PmDE -21.0
Calc delta mag 3.6 Calc coord yes
CCDM
Ccdm 18011-1804 RComp Comp E Note1
Note2 Discov num A 2256 DRAs DDEs
R dRAs Year 1926 Theta 124 Rho 22.4
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10967 M ADS BDS N IDS IDS 17552S1804E
HIC