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Doubles in session


Current system
20521+1014
A 1212
HD 198740


Nearby doubles
24' : 20531+0956
GWP3011

31' : 20536+1034
KPP4217

39' : 20544+0956
GWP3015

41' : 20537+0942
LDS4859

53' : 20545+1054
BPM2290

58' : 20533+0919
A 1214

64' : 20558+1047
GWP3019

65' : 20543+0918
TDT2620

66' : 20495+1106
BPM2276

71' : 20488+1106
BPM2274

73' : 20495+1116
UC 4301

79' : 20507+0859
TDT2574

80' : 20544+0902
CVN 109

80' : 20550+0907
TDT2628

81' : 20494+1124
J 194AB

81' : 20473+1052
LEP 97

84' : 20569+1059
HDS2985

85' : 20478+1109
BPM2267

87' : 20473+0924
GWP2999

90' : 20523+1144
BPM2284

93' : 20575+0926
TDT2659

93' : 20582+1038
A 1215AB

95' : 20457+1017
OSO 134AB

97' : 20484+1134
BPM2270

97' : 20478+1119
HJ 271

100' : 20584+1050
ENG 78AB
Musica



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.

20521+1014 A 1212 (HD 198740)

 
 
20h 52m 07.69s +10° 14' 18.3" P.A. 11.00 sep 0.6 mag 9.09,9.68 Sp A2
 
 
Coord 2000 20521+1014 Discov num A  1212 Comp Coord arcsec 2000 20 52 07.69 +10 14 18.3
Date first 1905 Date last 2016 Obs 23
Pa first 23 Pa last 11.3 P.A. Now (θ) 11.3°
Sep first 0.5 Sep last 0.62 Sep. Now (ρ) 0.62"
Mag pri 9.09 Mag sec 9.68 delta mag (ΔM) 0.59 Spectral class A2 (white)
Pri motion ra +016 Sec motion ra +016
Pri motion dec +005 Sec motion dec +005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198740 Constellation Delphinus SAO 106590 Tycho2 1094-00904-1
Gaia DR2 1750728519249317632 HD 198740 ADS 14374
 
 
WDS 20521+1014 A 1212 (HD 198740) : 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
20521+1014 A 1212 1995 22 11 0.5 9.09 9.68 A2 205207.69+101418.3
20521+1014 A 1212 2016 21 11 0.6 9.09 9.68 A2 205207.69+101418.3

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

 
 
WDS 20521+1014 A 1212 (HD 198740) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20521+1014 A 1212 (HD 198740) : MEASURES
 
 
No records found.

 
 
WDS 20521+1014 (HD 198740) : VIRTUAL EYEPIECE
 
 

20521+1014 A 1212A mag 9.09 Sp A2 20521+1014 A 1212B sep 0.6 P.A. 11.10 mag 9.68 virtual eyepiece
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WDS 20521+1014 (HD 198740) : ALADIN DSS IMAGE @ 20h 52m 07.69s +10° 14' 18.3"
 
 
 
 
WDS 20521+1014 A 1212 (HD 198740) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20521+1014 A 1212 distance=0' 20531+0956 GWP3011 distance=24' 20536+1034 KPP4217 distance=31' 20544+0956 GWP3015 distance=39' 20537+0942 LDS4859 distance=41' 20545+1054 BPM2290 distance=53' 20533+0919 A 1214 distance=58' 20558+1047 GWP3019 distance=64' 20543+0918 TDT2620 distance=65' 20495+1106 BPM2276 distance=66' 20488+1106 BPM2274 distance=71' 20495+1116 UC 4301 distance=73' 20507+0859 TDT2574 distance=79' 20544+0902 CVN 109 distance=80' 20550+0907 TDT2628 distance=80' 20494+1124 J 194AB distance=81' 20494+1124 J 194AB,C distance=81' 20473+1052 LEP 97 distance=81' 20569+1059 HDS2985 distance=84' 20478+1109 BPM2267 distance=85' 20473+0924 GWP2999 distance=87' 20523+1144 BPM2284 distance=90' 20575+0926 TDT2659 distance=93' 20582+1038 A 1215AB distance=93' 20582+1038 LBU 11AC distance=93' 20457+1017 OSO 134AB distance=95' 20457+1017 OSO 134AC distance=95' 20484+1134 BPM2270 distance=97' 20478+1119 HJ 271 distance=97' 20584+1050 BUP 220BC distance=100' 20584+1050 BUP 220BD distance=100' 20584+1050 ENG 78AB (Musica) distance=100' 20584+1050 BUP 220AC (Musica) distance=100' 20584+1050 MUG 16AE (Musica) distance=100' 20478+0857 UC 4290 distance=101' 20454+0952 HEI 589 distance=102' 20537+0833 GWP3013 distance=104' 20504+0834 UC 4306 distance=104' 20524+1200 GWP3008 distance=107' 20571+1131 BPM2299 distance=107' 20519+1203 J 3245 distance=108' 20554+0836 J 1318 distance=110' 20560+0840 TDT2638 distance=111' 20465+1131 BPM2258 distance=114' 20568+0844 CRB 13 distance=114' 20560+0837 J 1346 distance=115' 20559+0835 J 157 distance=115' 20452+1108 BPM2254 distance=116' 20460+1126 TDT2526 distance=116' 20504+0822 KPP4214 distance=116' 20569+0842 RAO 443 distance=116' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20521+1014 A 1212 11 0.6
Show 20531+0956 GWP3011 254 82.6 24
Show 20536+1034 KPP4217 147 1.5 31
Show 20544+0956 GWP3015 280 71.5 39
Show 20537+0942 LDS4859 318 10.7 41
Show 20545+1054 BPM2290 243 17.0 53
Show 20533+0919 A 1214 171 3.7 58
Show 20558+1047 GWP3019 124 90.5 64
Show 20543+0918 TDT2620 68 0.5 65
Show 20495+1106 BPM2276 298 107.2 66
Show 20488+1106 BPM2274 109.8 71
Show 20495+1116 UC 4301 161 26.6 73
Show 20507+0859 TDT2574 142 1.4 79
Show 20544+0902 CVN 109 283 0.5 80
Show 20550+0907 TDT2628 64 0.5 80
Show 20494+1124 J 194 AB 299 0.6 81
Show 20494+1124 J 194 AB,C 17 11.6 81
Show 20473+1052 LEP 97 351 14.7 81
Show 20569+1059 HDS2985 293 0.6 84
Show 20478+1109 BPM2267 58 48.7 85
Show 20473+0924 GWP2999 356 110.7 87
Show 20523+1144 BPM2284 252 115.9 90
Show 20575+0926 TDT2659 282 0.5 93
Show 20582+1038 A 1215 AB 208 0.4 93
Show 20582+1038 LBU 11 AC 152 72.5 93
Show 20457+1017 OSO 134 AB 44 11.1 95
Show 20457+1017 OSO 134 AC 45 19.4 95
Show 20484+1134 BPM2270 197 117.4 97
Show 20478+1119 HJ 271 109 7.8 97
Show 20584+1050 BUP 220 BC 339 326.5 100
Show 20584+1050 BUP 220 BD 224 67.4 100
Show Musica 20584+1050 ENG 78 AB 162 197.5 100
Show Musica 20584+1050 BUP 220 AC 338 129.3 100
Show Musica 20584+1050 MUG 16 AE 194 29.2 100
Show 20478+0857 UC 4290 5 86.8 101
Show 20454+0952 HEI 589 257 1.8 102
Show 20537+0833 GWP3013 15 7.0 104
Show 20504+0834 UC 4306 296 42.5 104
Show 20524+1200 GWP3008 252 11.1 107
Show 20571+1131 BPM2299 65 95.8 107
Show 20519+1203 J 3245 249 3.8 108
Show 20554+0836 J 1318 139 0.9 110
Show 20560+0840 TDT2638 97 2.2 111
Show 20465+1131 BPM2258 45 78.9 114
Show 20568+0844 CRB 13 177 131.6 114
Show 20560+0837 J 1346 327 2.4 115
Show 20559+0835 J 157 171 3.8 115
Show 20452+1108 BPM2254 231 96.7 116
Show 20460+1126 TDT2526 223 0.4 116
Show 20504+0822 KPP4214 86 4.3 116
Show 20569+0842 RAO 443 297 0.2 116

 
 
WDS 20521+1014 : COMPONENTS
 
 
  A
B pa=11.1°
sep=0.62"
 
 
20521+1014 A
 
 
Componente originario normalizzato AB Name HD 198740 Coord arcsec 2000 205207.69+101418.3 Mag 9.09
Spectral class A2 (white) PmRA 16.00 PmDE 5.0 SAO 106590
Tycho2 1094-00904-1 HD 198740 ADS 14374 DM BD+09 4654
Tycho2
Tycho2 1094-00904-1 Pflag RAmdeg 313.03207265 DEmdeg 10.23845325
PmRA 15.8 PmDE 4.8 E RAmdeg 7 E DEmdeg 9
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.27 EpDEm 1990.73
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 9.020 E BTmag 0.017 VTmag 8.715
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 313.03203583 DEdeg 10.23844194 EpRA 1990 1.73
EpDE 1990 1.51 E RAdeg 6.5 E DEdeg 8.6 Posflg P
Corr -0.1
SAO
SAO 106590 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0 Vmag 8.5 SpType A2
Double code Source 33 CatNum 10422 DM BD+09 4654
DMcomp BDsup HD 198740 M HD 0
GC RA1950rad 5.45289045 DE1950rad 0.17539477 PmRA2000 0.0003
PmDE2000 -0.004
CCDM
Ccdm 20521+1014 RComp Comp A Note1
Note2 Discov num DRAs 1.61 DDEs 18.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp A2 PmNote *
PmRA 10 PmDE 6 Dm number +09 4654 Cat1 BD
Name2 +10 2787 Cat2 AGK2/3 HD 198740 M HD
ADS BDS A14374 M ADS BDS N IDS IDS 20473N0952A
HIC
 
 
20521+1014 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205207.70+101418.9 Mag 9.68 PmRA 16.00
PmDE 5.0 Calc delta mag 0.59 Calc coord yes
CCDM
Ccdm 20521+1014 RComp Comp B Note1
Note2 Discov num A 1212 DRAs DDEs
R dRAs Year 1905 Theta 023 Rho 0.5
Obs 9 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14374 M ADS BDS N IDS IDS 20473N0952B
HIC