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Doubles in session


Current system
21506-0747
A 301
HD 207656


Nearby doubles
36' : 21496-0819
HDS3107

51' : 21540-0744
TDT3224

64' : 21483-0843
BRT 518

80' : 21505-0628
GWP3101

81' : 21454-0729
NSN 72

88' : 21463-0846
RST4698

89' : 21480-0628
SCA 96

97' : 21562-0659
BU 693

98' : 21486-0615
HJ 1691

101' : 21495-0607
SCA 99

103' : 21571-0711
RST4700

111' : 21445-0645
UC 4543

111' : 21467-0612
SCA 94

112' : 21470-0608
SCA 95

114' : 21449-0902
OCC 470

114' : 21570-0644
GWP3108

117' : 21498-0943
GWP3099

117' : 21467-0607
SCA 93

120' : 21426-0745
OCC1103

123' : 21452-0616
A 3110AB

125' : 21576-0858
RST4094

127' : 21521-0543
SLW1254

128' : 21475-0945
UC 4565

128' : 21555-0602
TDS1150

130' : 21449-0926
LDS4906

135' : 21417-0816
HJ 5519



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.

21506-0747 A 301 (HD 207656)

 
 
21h 50m 37.77s -07° 47' 13.3" P.A. 132.00 sep 0.9 mag 9.46,9.65 Sp G0
 
 
Coord 2000 21506-0747 Discov num A   301 Comp Coord arcsec 2000 21 50 37.77 -07 47 13.3
Date first 1901 Date last 2018 Obs 21
Pa first 117 Pa last 132.4 P.A. Now (θ) 132.4°
Sep first 0.7 Sep last 0.9 Sep. Now (ρ) 0.9"
Mag pri 9.46 Mag sec 9.65 delta mag (ΔM) 0.19 Spectral class G0 (yellow)
Pri motion ra -016 Sec motion ra -016
Pri motion dec -041 Sec motion dec -041
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207656 Constellation Aquarius SAO 145699 Tycho2 5789-00881-1
Gaia DR2 2666729079369881856 HD 207656
 
 
WDS 21506-0747 A 301 (HD 207656) : 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
21506-0747 A 301 2005 20 130 0.9 9.46 9.65 G0 215037.77-074713.3
21506-0747 A 301 2018 21 132 0.9 9.46 9.65 G0 215037.77-074713.3

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WDS 21506-0747 A 301 (HD 207656) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21506-0747 A 301 (HD 207656) : MEASURES
 
 
No records found.

 
 
WDS 21506-0747 (HD 207656) : VIRTUAL EYEPIECE
 
 

21506-0747 A 301A mag 9.46 Sp G0 21506-0747 A 301B sep 0.9 P.A. 132.70 mag 9.65 virtual eyepiece
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Radius:
Components only
 
 
WDS 21506-0747 (HD 207656) : ALADIN DSS IMAGE @ 21h 50m 37.77s -07° 47' 13.3"
 
 
 
 
WDS 21506-0747 A 301 (HD 207656) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21506-0747 A 301 distance=0' 21496-0819 HDS3107 distance=36' 21540-0744 TDT3224 distance=51' 21483-0843 BRT 518 distance=64' 21505-0628 GWP3101 distance=80' 21454-0729 NSN 72 distance=81' 21463-0846 RST4698 distance=88' 21480-0628 SCA 96 distance=89' 21562-0659 BU 693 distance=97' 21486-0615 HJ 1691 distance=98' 21495-0607 SCA 99 distance=101' 21571-0711 RST4700 distance=103' 21445-0645 UC 4543 distance=111' 21467-0612 SCA 94 distance=111' 21470-0608 SCA 95 distance=112' 21449-0902 OCC 470 distance=114' 21570-0644 GWP3108 distance=114' 21498-0943 GWP3099 distance=117' 21467-0607 SCA 93 distance=117' 21426-0745 OCC1103 distance=120' 21452-0616 A 3110AB distance=123' 21452-0616 HDO 167AC distance=123' 21452-0616 HDO 167AD distance=123' 21576-0858 RST4094 distance=125' 21521-0543 SLW1254 distance=127' 21475-0945 UC 4565 distance=128' 21555-0602 TDS1150 distance=128' 21449-0926 LDS4906 distance=130' 21417-0816 HJ 5519 distance=135' 21475-0540 CVR1710 distance=136' 21414-0744 OCC1102 distance=138' 21412-0729 OSO 152 distance=142' 21431-0919 OCC9198 distance=146' 22003-0724 LDS4935 distance=146' 21434-0605 SCA 90 distance=149' 22005-0715 SKF1777 distance=151' 21455-0535 CVR1709 distance=153' 21547-0527 J 1411 distance=153' 21536-1019 FIN 358 distance=158' 21519-0509 SCA 103AB distance=159' 21519-0509 WSI 148BC distance=160' 21552-1012 HJ 949 distance=161' 21484-0506 SCA 97 distance=164' 21435-0953 OCC 948 distance=164' 21396-0813 HDS3081 distance=167' 21464-0511 SCA 91 distance=168' 21399-0842 RST4091 distance=168' 21582-0541 UC 4616 distance=170' 21421-0554 A 298 distance=171' 21391-0729 LDS 752 distance=173' 21464-0505 SCA 92AC distance=173' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 21506-0747 A 301 132 0.9
Show 21496-0819 HDS3107 106 0.4 36
Show 21540-0744 TDT3224 94 0.6 51
Show 21483-0843 BRT 518 323 5.4 64
Show 21505-0628 GWP3101 19 26.2 80
Show 21454-0729 NSN 72 356 5.9 81
Show 21463-0846 RST4698 327 1.4 88
Show 21480-0628 SCA 96 146 76.7 89
Show 21562-0659 BU 693 46 1.0 97
Show 21486-0615 HJ 1691 263 11.1 98
Show 21495-0607 SCA 99 144 21.0 101
Show 21571-0711 RST4700 64 0.5 103
Show 21445-0645 UC 4543 231 142.6 111
Show 21467-0612 SCA 94 153 47.6 111
Show 21470-0608 SCA 95 195 45.5 112
Show 21449-0902 OCC 470 -1 0.1 114
Show 21570-0644 GWP3108 358 26.7 114
Show 21498-0943 GWP3099 121 15.4 117
Show 21467-0607 SCA 93 359 70.6 117
Show 21426-0745 OCC1103 -1 0.0 120
Show 21452-0616 A 3110 AB 310 6.6 123
Show 21452-0616 HDO 167 AC 37 12.0 123
Show 21452-0616 HDO 167 AD 112 27.8 123
Show 21576-0858 RST4094 166 0.3 125
Show 21521-0543 SLW1254 246 11.5 127
Show 21475-0945 UC 4565 338 16.2 128
Show 21555-0602 TDS1150 30 1.0 128
Show 21449-0926 LDS4906 163 3.8 130
Show 21417-0816 HJ 5519 55 19.0 135
Show 21475-0540 CVR1710 33 3.2 136
Show 21414-0744 OCC1102 -1 0.0 138
Show 21412-0729 OSO 152 111 14.2 142
Show 21431-0919 OCC9198 -1 0.1 146
Show 22003-0724 LDS4935 156 3.5 146
Show 21434-0605 SCA 90 261 41.3 149
Show 22005-0715 SKF1777 63 1.3 151
Show 21455-0535 CVR1709 287 3.0 153
Show 21547-0527 J 1411 59 6.5 153
Show 21536-1019 FIN 358 156 0.1 158
Show 21519-0509 SCA 103 AB 309 56.1 159
Show 21519-0509 WSI 148 BC 65 30.5 160
Show 21552-1012 HJ 949 300 12.2 161
Show 21484-0506 SCA 97 45 36.4 164
Show 21435-0953 OCC 948 -1 0.1 164
Show 21396-0813 HDS3081 329 0.2 167
Show 21464-0511 SCA 91 332 71.3 168
Show 21399-0842 RST4091 122 2.3 168
Show 21582-0541 UC 4616 73 18.7 170
Show 21421-0554 A 298 140 2.7 171
Show 21391-0729 LDS 752 204 5.8 173
Show 21464-0505 SCA 92 AC 253 82.7 173

 
 
WDS 21506-0747 : COMPONENTS
 
 
  A
B pa=132.7°
sep=0.90"
 
 
21506-0747 A
 
 
Componente originario normalizzato AB Name HD 207656 Coord arcsec 2000 215037.77-074713.3 Mag 9.46
Spectral class G0 (yellow) PmRA -16.00 PmDE -41.0 SAO 145699
Tycho2 5789-00881-1 HD 207656 DM BD-08 5749
Tycho2
Tycho2 5789-00881-1 Pflag P RAmdeg 327.65738590 DEmdeg -7.78702607
PmRA -16.3 PmDE -41.1 E RAmdeg 17 E DEmdeg 18
E pmRA 2.2 E pmDE 2.3 EpRAm 1990.83 EpDEm 1990.72
Num 5 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.0 BTmag 10.093 E BTmag 0.032 VTmag 9.457
E VTmag 0.025 Prox 9 TYC T HIP
CCDM RAdeg 327.65733417 DEdeg -7.78687167 EpRA 1990 1.72
EpDE 1990 1.67 E RAdeg 16.5 E DEdeg 17.9 Posflg D
Corr -0.2
SAO
SAO 145699 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.056 Vmag 8.6 SpType G0
Double code Source 26 CatNum 7846 DM BD-08 5749
DMcomp BDsup HD 207656 M HD 0
GC RA1950rad 5.70715532 DE1950rad -0.13999155 PmRA2000 -0.0009
PmDE2000 -0.059
CCDM
Ccdm 21506-0747 RComp Comp A Note1
Note2 Discov num DRAs 1.76 DDEs -14.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp G0 PmNote *
PmRA -16 PmDE -56 Dm number -08 5749 Cat1 BD
Name2 145699 Cat2 SAO HD 207656 M HD
ADS BDS A15368 M ADS BDS N IDS IDS 21453S0815A
HIC
 
 
21506-0747 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215037.81-074713.9 Mag 9.65 PmRA -16.00
PmDE -41.0 Tycho2 5789-00881-2 Calc delta mag 0.19 Calc coord yes
Tycho2
Tycho2 5789-00881-2 Pflag P RAmdeg 327.65738590 DEmdeg -7.78702607
PmRA -16.3 PmDE -41.1 E RAmdeg 17 E DEmdeg 18
E pmRA 2.2 E pmDE 2.3 EpRAm 1990.83 EpDEm 1990.72
Num 5 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.0 BTmag 10.265 E BTmag 0.035 VTmag 9.655
E VTmag 0.030 Prox 9 TYC T HIP
CCDM RAdeg 327.65754972 DEdeg -7.78701222 EpRA 1990 1.74
EpDE 1990 1.68 E RAdeg 19.2 E DEdeg 21.0 Posflg D
Corr -0.3
CCDM
Ccdm 21506-0747 RComp Comp B Note1
Note2 Discov num A 301 DRAs DDEs
R dRAs Year 1901 Theta 122 Rho 0.8
Obs 11 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15368 M ADS BDS N IDS IDS 21453S0815B
HIC