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Current system
21307+0005
A 888
HD 204738


Nearby doubles
22' : 21318+0019
SHN 253

23' : 21322-0006
WAA 51

24' : 21322+0013
KUI 107AB

28' : 21324+0015
SKF1776

56' : 21278-0040
SLW9009

58' : 21328-0053
HDS3064

60' : 21324-0059
SLW1241

66' : 21310+0111
UC 4482

68' : 21276+0054
BAL1229

70' : 21261-0010
RST5164

74' : 21318+0116
BAL1231

74' : 21279+0105
BAL1230

79' : 21315+0122
ITF 88

82' : 21359-0028
ITF 172

86' : 21361-0032
ITF 169

86' : 21362-0030
ITF 168

87' : 21359+0041
HJ 3039

88' : 21257+0051
GRV 464

88' : 21363-0032
ITF 183AB

91' : 21365+0031
J 163

96' : 21371-0007
WIS 350

97' : 21315+0140
HJ 3031

100' : 21371+0033
LAW 28AB

103' : 21242+0036
ITF 219

105' : 21376-0023
STF2809AB

105' : 21264-0117
BAL 623



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.

21307+0005 A 888 (HD 204738)

 
 
21h 30m 42.53s +00° 04' 54.4" P.A. 36.00 sep 0.6 mag 9.84,9.89 Sp G0
 
 
Coord 2000 21307+0005 Discov num A   888 Comp Coord arcsec 2000 21 30 42.53 +00 04 54.4
Date first 1904 Date last 2017 Obs 16
Pa first 77 Pa last 35.7 P.A. Now (θ) 35.7°
Sep first 0.7 Sep last 0.57 Sep. Now (ρ) 0.57"
Mag pri 9.84 Mag sec 9.89 delta mag (ΔM) 0.05 Spectral class G0 (yellow)
Pri motion ra +024 Sec motion ra +024
Pri motion dec -046 Sec motion dec -046
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204738 Constellation Aquarius SAO 145447 Tycho2 0542-00364-1
Gaia DR2 2687770781283212032 HD 204738
 
 
WDS 21307+0005 A 888 (HD 204738) : 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
21307+0005 A 888 2001 15 43 0.6 9.84 9.89 G0 213042.53+000454.4
21307+0005 A 888 2017 16 36 0.6 9.84 9.89 G0 213042.53+000454.4

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

 
 
WDS 21307+0005 A 888 (HD 204738) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21307+0005 A 888 (HD 204738) : MEASURES
 
 
No records found.

 
 
WDS 21307+0005 (HD 204738) : VIRTUAL EYEPIECE
 
 

21307+0005 A 888A mag 9.84 Sp G0 21307+0005 A 888B sep 0.6 P.A. 35.70 mag 9.89 virtual eyepiece
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Radius:
Components only
 
 
WDS 21307+0005 (HD 204738) : ALADIN DSS IMAGE @ 21h 30m 42.53s +00° 04' 54.4"
 
 
 
 
WDS 21307+0005 A 888 (HD 204738) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21307+0005 A 888 distance=1' 21318+0019 SHN 253 distance=22' 21322-0006 WAA 51 distance=23' 21322+0013 ALC 4Aa,Ab distance=24' 21322+0013 KUI 107AB distance=24' 21324+0015 SKF1776 distance=28' 21278-0040 SLW9009 distance=56' 21328-0053 HDS3064 distance=58' 21324-0059 SLW1241 distance=60' 21310+0111 UC 4482 distance=66' 21276+0054 BAL1229 distance=68' 21261-0010 RST5164 distance=70' 21318+0116 BAL1231 distance=74' 21279+0105 BAL1230 distance=74' 21315+0122 ITF 88 distance=79' 21359-0028 ITF 172 distance=82' 21361-0032 ITF 169 distance=86' 21362-0030 ITF 168 distance=86' 21359+0041 HJ 3039 distance=87' 21363-0032 ITF 170BC distance=88' 21257+0051 GRV 464 distance=88' 21363-0032 ITF 183AB distance=88' 21363-0032 ITF 183AC distance=88' 21365+0031 J 163 distance=91' 21371-0007 WIS 350 distance=96' 21315+0140 HJ 3031 distance=97' 21371+0033 LAW 28Aa,Ab distance=100' 21371+0033 LAW 28AB distance=100' 21242+0036 ITF 219 distance=103' 21376-0023 STF2809AB distance=105' 21376-0023 FYM9001AC distance=105' 21264-0117 BAL 623 distance=105' 21376+0035 ARU 4 distance=108' 21237+0034 A 886 distance=109' 21372+0054 ARU 22 distance=109' 21338+0147 BLZ 1 distance=113' 21383-0020 STF2811 distance=115' 21328+0159 A 2290 distance=119' 21359-0128 KPP2408 distance=121' 21318-0155 LDS6356 distance=122' 21390-0002 CBL 532 distance=125' 21285-0157 GWP3064 distance=127' 21276+0204 J 2349 distance=128' 21395-0003 BU 1212AB distance=133' 21395-0003 BU 1212AB,C distance=133' 21234+0123 BAL1228 distance=135' 21353+0202 CVR 909 distance=136' 21251+0157 BAL1588 distance=140' 21376+0137 JNN 291 distance=140' 21285-0210 BRT 516 distance=141' 21311+0226 BAL1590 distance=142' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 21307+0005 A 888 36 0.6 1
Show 21318+0019 SHN 253 -1 0.0 22
Show 21322-0006 WAA 51 111 27.1 23
Show 21322+0013 ALC 4 Aa,Ab -1 0.7 24
Show 21322+0013 KUI 107 AB 29 133.0 24
Show 21324+0015 SKF1776 28 2.4 28
Show 21278-0040 SLW9009 59 31.2 56
Show 21328-0053 HDS3064 1 0.3 58
Show 21324-0059 SLW1241 129 11.7 60
Show 21310+0111 UC 4482 122 55.1 66
Show 21276+0054 BAL1229 332 10.6 68
Show 21261-0010 RST5164 306 0.9 70
Show 21318+0116 BAL1231 131 5.5 74
Show 21279+0105 BAL1230 274 11.9 74
Show 21315+0122 ITF 88 31 8.4 79
Show 21359-0028 ITF 172 333 3.2 82
Show 21361-0032 ITF 169 135 4.2 86
Show 21362-0030 ITF 168 144 4.4 86
Show 21359+0041 HJ 3039 153 11.3 87
Show 21363-0032 ITF 170 BC 94 2.5 88
Show 21257+0051 GRV 464 300 26.1 88
Show 21363-0032 ITF 183 AB 248 20.5 88
Show 21363-0032 ITF 183 AC 245 18.4 88
Show 21365+0031 J 163 307 4.6 91
Show 21371-0007 WIS 350 42 147.9 96
Show 21315+0140 HJ 3031 250 28.1 97
Show 21371+0033 LAW 28 Aa,Ab 122 0.2 100
Show 21371+0033 LAW 28 AB 322 18.8 100
Show 21242+0036 ITF 219 270 2.6 103
Show 21376-0023 STF2809 AB 163 31.1 105
Show 21376-0023 FYM9001 AC 18 37.8 105
Show 21264-0117 BAL 623 217 14.3 105
Show 21376+0035 ARU 4 235 0.3 108
Show 21237+0034 A 886 349 4.8 109
Show 21372+0054 ARU 22 195 0.6 109
Show 21338+0147 BLZ 1 3 5.2 113
Show 21383-0020 STF2811 273 31.1 115
Show 21328+0159 A 2290 261 0.5 119
Show 21359-0128 KPP2408 261 20.8 121
Show 21318-0155 LDS6356 306 8.5 122
Show 21390-0002 CBL 532 263 80.6 125
Show 21285-0157 GWP3064 136 12.9 127
Show 21276+0204 J 2349 237 8.4 128
Show 21395-0003 BU 1212 AB 156 0.1 133
Show 21395-0003 BU 1212 AB,C 178 36.2 133
Show 21234+0123 BAL1228 317 5.9 135
Show 21353+0202 CVR 909 83 13.8 136
Show 21251+0157 BAL1588 134 17.2 140
Show 21376+0137 JNN 291 345 0.4 140
Show 21285-0210 BRT 516 220 4.9 141
Show 21311+0226 BAL1590 285 2.7 142

 
 
WDS 21307+0005 : COMPONENTS
 
 
  A
B pa=35.7°
sep=0.57"
 
 
21307+0005 A
 
 
Componente originario normalizzato AB Name HD 204738 Coord arcsec 2000 213042.53+000454.4 Mag 9.84
Spectral class G0 (yellow) PmRA 24.00 PmDE -46.0 SAO 145447
Tycho2 0542-00364-1 HD 204738 DM BD-00 4229
Tycho2
Tycho2 0542-00364-1 Pflag RAmdeg 322.67726015 DEmdeg 0.08182582
PmRA 24.4 PmDE -46.1 E RAmdeg 12 E DEmdeg 16
E pmRA 1.0 E pmDE 1.0 EpRAm 1987.77 EpDEm 1985.39
Num 11 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 1.0 BTmag 9.876 E BTmag 0.031 VTmag 9.266
E VTmag 0.025 Prox 999 TYC T HIP
CCDM RAdeg 322.67720417 DEdeg 0.08193167 EpRA 1990 1.79
EpDE 1990 1.74 E RAdeg 14.1 E DEdeg 18.9 Posflg P
Corr 0.1
SAO
SAO 145447 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 -0.04 Vmag 8.8 SpType G0
Double code Source 31 CatNum 5462 DM BD-00 4229
DMcomp BDsup HD 204738 M HD 0
GC RA1950rad 5.62059037 DE1950rad -0.0024102 PmRA2000 0.0024
PmDE2000 -0.044
CCDM
Ccdm 21307+0005 RComp Comp A Note1
Note2 Discov num DRAs 0.44 DDEs -4.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp G0 PmNote *
PmRA 15 PmDE -33 Dm number -00 4229 Cat1 BD
Name2 -00 2776 Cat2 AGK2/3 HD 204738 M HD
ADS BDS A15037 M ADS BDS N IDS IDS 21256S0021A
HIC
 
 
21307+0005 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213042.55+000454.9 Mag 9.89 PmRA 24.00
PmDE -46.0 Calc delta mag 0.05 Calc coord yes
CCDM
Ccdm 21307+0005 RComp Comp B Note1
Note2 Discov num A 888 DRAs DDEs
R dRAs Year 1958 Theta 61 Rho 0.6
Obs 6 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15037 M ADS BDS N IDS IDS 21256S0021B
HIC