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Doubles in session


Current system
20271+0551
HJ 2963


Nearby doubles
25' : 20256+0604
UC 4177

31' : 20264+0620
GWP2946

42' : 20246+0531
BU 664AB

53' : 20295+0514
UC 4199

55' : 20234+0535
WHC 19

58' : 20233+0534
OPI 24

64' : 20253+0453
KPP4195AB

67' : 20238+0506
J 556

68' : 20309+0626
DAE 10AB

72' : 20285+0443
J 3220

72' : 20316+0530
A 395

73' : 20254+0700
UC 4176

74' : 20312+0513
AG 257

79' : 20300+0655
LDS4845

85' : 20290+0710
A 610

90' : 20218+0635
TDT2207

91' : 20311+0444
UC 4205

94' : 20314+0701
J 3221

95' : 20331+0525
TDT2364

96' : 20315+0444
BAL2966

101' : 20335+0527
STF2696AB

102' : 20251+0728
UC 4173

103' : 20327+0453
J 2314AB

104' : 20329+0647
UC 4213

105' : 20278+0734
GWP2954

107' : 20327+0656
HDS2934



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.

20271+0551 HJ 2963

 
 
20h 27m 00.29s +05° 50' 54.0" P.A. 209.00 sep 9.5 mag 12.00,12.20
 
 
Coord 2000 20271+0551 Discov num HJ 2963 Comp Coord arcsec 2000 20 27 00.29 +05 50 54.0
Date first 2000 Date last 2015 Obs 7
Pa first 209 Pa last 209.2 P.A. Now (θ) 209.2°
Sep first 9.4 Sep last 9.547 Sep. Now (ρ) 9.547"
Mag pri 12.00 Mag sec 12.20 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +001 Sec motion ra -026
Pri motion dec -015 Sec motion dec -001
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=1.169
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 4246560231438643072
 
 
WDS 20271+0551 HJ 2963 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
20271+0551 HJ 2963 2000 1 209 9.5 12.00 12.20 K 202700.29+055054.0
20271+0551 HJ 2963 2004 4 210 9.9 12.00 12.20 K 202700.29+055054.0
20271+0551 HJ 2963 2015 5 209 9.5 12.00 12.20 K 202700.29+055054.0

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

 
 
WDS 20271+0551 HJ 2963 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20271+0551 HJ 2963 : MEASURES
 
 
No records found.

 
 
WDS 20271+0551 : VIRTUAL EYEPIECE
 
 

20271+0551 HJ 2963A mag 12 20271+0551 HJ 2963B sep 9.5 P.A. 209.10 mag 12.2 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 20271+0551 : ALADIN DSS IMAGE @ 20h 27m 00.29s +05° 50' 54.0"
 
 
 
 
WDS 20271+0551 HJ 2963 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20271+0551 HJ 2963 distance=0' 20256+0604 UC 4177 distance=25' 20264+0620 GWP2946 distance=31' 20246+0531 BU 664AB distance=42' 20246+0531 FOX9034AC distance=42' 20295+0514 UC 4199 distance=53' 20234+0535 WHC 19 distance=55' 20233+0534 OPI 24 distance=58' 20253+0453 KPP4195AB distance=64' 20238+0506 J 556 distance=67' 20309+0626 DAE 10AB distance=68' 20309+0626 WSP 2AC distance=68' 20309+0626 WSP 2AD distance=68' 20309+0626 WSP 2AE distance=68' 20309+0626 WSP 2AF distance=68' 20285+0443 J 3220 distance=72' 20316+0530 A 395 distance=72' 20254+0700 UC 4176 distance=73' 20312+0513 AG 257 distance=74' 20300+0655 LDS4845 distance=79' 20290+0710 A 610 distance=85' 20218+0635 TDT2207 distance=90' 20311+0444 UC 4205 distance=91' 20314+0701 J 3221 distance=94' 20331+0525 TDT2364 distance=95' 20315+0444 BAL2966 distance=96' 20335+0527 STF2696AB distance=101' 20335+0527 STF2696AC distance=101' 20251+0728 UC 4173 distance=102' 20327+0453 J 2314AB distance=103' 20327+0453 J 2314AC distance=103' 20329+0647 UC 4213 distance=104' 20278+0734 GWP2954 distance=105' 20327+0656 HDS2934 distance=107' 20301+0730 LDS4846 distance=109' 20300+0730 NSN 733 distance=110' 20264+0741 UC 4183 distance=111' 20276+0745 J 1297 distance=114' 20284+0746 BRT2186 distance=116' 20346+0615 UC 4218 distance=117' 20324+0426 A 2281 distance=118' 20253+0355 UC 4175 distance=119' 20283+0351 BAL2533 distance=122' 20348+0514 SCJ 26 distance=122' 20286+0351 HJ 2967 distance=123' 20352+0608 HWE 98 distance=124' 20309+0400 BAL2538 distance=126' 20345+0653 BU 1208 distance=129' 20340+0433 A 2282 distance=131' 20321+0737 UC 4206 distance=131' 20256+0801 LDS4842 distance=132' 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 20271+0551 HJ 2963 209 9.5
Show 20256+0604 UC 4177 278 14.3 25
Show 20264+0620 GWP2946 30 25.6 31
Show 20246+0531 BU 664 AB 287 9.0 42
Show 20246+0531 FOX9034 AC 89 35.6 42
Show 20295+0514 UC 4199 240 54.1 53
Show 20234+0535 WHC 19 178 2.0 55
Show 20233+0534 OPI 24 351 9.2 58
Show 20253+0453 KPP4195 AB 16 11.7 64
Show 20238+0506 J 556 187 2.9 67
Show 20309+0626 DAE 10 AB 103 0.7 68
Show 20309+0626 WSP 2 AC 114 11.6 68
Show 20309+0626 WSP 2 AD 183 13.6 68
Show 20309+0626 WSP 2 AE 16 18.5 68
Show 20309+0626 WSP 2 AF 176 19.8 68
Show 20285+0443 J 3220 181 3.9 72
Show 20316+0530 A 395 160 0.7 72
Show 20254+0700 UC 4176 120 51.9 73
Show 20312+0513 AG 257 75 1.7 74
Show 20300+0655 LDS4845 27 83.4 79
Show 20290+0710 A 610 99 0.6 85
Show 20218+0635 TDT2207 258 0.9 90
Show 20311+0444 UC 4205 254 48.5 91
Show 20314+0701 J 3221 167 3.9 94
Show 20331+0525 TDT2364 126 1.9 95
Show 20315+0444 BAL2966 117 10.4 96
Show 20335+0527 STF2696 AB 298 0.5 101
Show 20335+0527 STF2696 AC 348 13.7 101
Show 20251+0728 UC 4173 359 42.9 102
Show 20327+0453 J 2314 AB 70 4.9 103
Show 20327+0453 J 2314 AC 138 19.0 103
Show 20329+0647 UC 4213 204 9.0 104
Show 20278+0734 GWP2954 290 50.4 105
Show 20327+0656 HDS2934 75 1.2 107
Show 20301+0730 LDS4846 313 39.4 109
Show 20300+0730 NSN 733 133 39.4 110
Show 20264+0741 UC 4183 195 59.7 111
Show 20276+0745 J 1297 2 1.0 114
Show 20284+0746 BRT2186 173 5.0 116
Show 20346+0615 UC 4218 315 75.8 117
Show 20324+0426 A 2281 63 1.9 118
Show 20253+0355 UC 4175 87 20.7 119
Show 20283+0351 BAL2533 256 19.0 122
Show 20348+0514 SCJ 26 88 25.1 122
Show 20286+0351 HJ 2967 131 7.1 123
Show 20352+0608 HWE 98 1 58.5 124
Show 20309+0400 BAL2538 202 10.8 126
Show 20345+0653 BU 1208 332 3.1 129
Show 20340+0433 A 2282 166 0.2 131
Show 20321+0737 UC 4206 33 73.1 131
Show 20256+0801 LDS4842 218 101.0 132

 
 
WDS 20271+0551 : COMPONENTS
 
 
  A
B pa=209.1°
sep=9.54"
 
 
20271+0551 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202700.29+055054.0 Mag 12 PmRA 1.00
PmDE -15.0
 
 
20271+0551 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202659.98+055045.7 Mag 12.2 PmRA -26.00
PmDE -1.0 Calc delta mag 0.2 Calc coord yes