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Doubles in session


Current system
20051-6304
HJ 5163
HD 189721


Nearby doubles
52' : 19584-6329
TDS1028

56' : 19578-6241
HU 1609AB

57' : 20118-6337
RST5153AB

61' : 20092-6210
HU 1611AB

65' : 20020-6405
HDS2853

66' : 20088-6203
UC 4102

73' : 20074-6415
RST5467

84' : 20071-6141
TDT1994

93' : 20161-6210
I 411

96' : 19545-6408
FIN 275

103' : 20115-6437
TDS1049

104' : 20146-6426
HJ 5171AB

108' : 19494-6259
HDS2821

109' : 20010-6448
SOZ 20

110' : 19500-6231
RST5464

111' : 20072-6453
KPP 457

120' : 19475-6306
TDT1756

123' : 19509-6421
RST5465

125' : 20232-6249
NSN 445

127' : 19548-6119
DEA 17

129' : 19597-6102
HJ 5155AB

129' : 20099-6059
JSP 810

130' : 19512-6435
MLO 88

131' : 20241-6245
UC 4167

131' : 20071-6514
RST1057

134' : 19468-6221
TDT1736



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.

20051-6304 HJ 5163 (HD 189721)

 
 
20h 05m 08.77s -63° 03' 41.7" P.A. 249.00 sep 1.3 mag 7.73,8.44 Sp A3V dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000 20051-6304 Discov num HJ 5163 Comp Coord arcsec 2000 20 05 08.77 -63 03 41.7
Date first 1836 Date last 2016 Obs 15
Pa first 252 Pa last 248.7 P.A. Now (θ) 248.7°
Sep first 1.4 Sep last 1.32 Sep. Now (ρ) 1.32"
Mag pri 7.73 Mag sec 8.44 delta mag (ΔM) 0.71 Spectral class A3V (white)
Pri motion ra +013 Sec motion ra +013
Pri motion dec -037 Sec motion dec -037
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189721 Constellation Pavo SAO 254722 HIP 98919
Tycho2 9090-01312-1 Gaia DR2 6430422840845257600 HD 189721 GC 27795
CP CP-63 4561 Distance 153.14 Distance ly 499.54
 
 
WDS 20051-6304 HJ 5163 (HD 189721) : 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
20051-6304 HJ 5163 1991 13 249 1.3 7.73 8.44 A3V D 200508.77-630341.7
20051-6304 HJ 5163 2016 14 249 1.3 7.73 8.44 A3V 200508.77-630341.7

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

 
 
WDS 20051-6304 HJ 5163 (HD 189721) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20051-6304 HJ 5163 (HD 189721) : MEASURES
 
 
No records found.

 
 
WDS 20051-6304 (HD 189721) : VIRTUAL EYEPIECE
 
 

20051-6304 HJ 5163A mag 7.73 Sp A3V 20051-6304 HJ 5163B sep 0.7 P.A. 229.30 mag 8.44 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 20051-6304 (HD 189721) : ALADIN DSS IMAGE @ 20h 05m 08.77s -63° 03' 41.7"
 
 
 
 
WDS 20051-6304 HJ 5163 (HD 189721) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20051-6304 HJ 5163 distance=0' 19584-6329 TDS1028 distance=52' 19578-6241 HU 1609AB distance=56' 19578-6241 B 9038AC distance=56' 20118-6337 RST5153AB distance=57' 20118-6337 HJ 5167AB,C distance=57' 20092-6210 HU 1611AB distance=61' 20020-6405 HDS2853 distance=65' 20088-6203 UC 4102 distance=66' 20074-6415 RST5467 distance=73' 20071-6141 TDT1994 distance=84' 20161-6210 I 411 distance=93' 19545-6408 FIN 275 distance=96' 20115-6437 TDS1049 distance=103' 20146-6426 HJ 5171BC distance=103' 20146-6426 HJ 5171AB distance=104' 20146-6426 HJ 5171AC distance=104' 20146-6426 BAU 60AD distance=104' 19494-6259 HDS2821 distance=108' 20010-6448 SOZ 20 distance=109' 19500-6231 RST5464 distance=110' 20072-6453 KPP 457 distance=111' 19475-6306 TDT1756 distance=120' 19509-6421 RST5465 distance=123' 20232-6249 NSN 445 distance=125' 19548-6119 DEA 17 distance=127' 19597-6102 HJ 5155AB distance=129' 19597-6102 BAU 59AC distance=129' 20099-6059 JSP 810 distance=129' 19512-6435 MLO 88 distance=130' 20241-6245 UC 4167 distance=131' 20071-6514 RST1057 distance=131' 19468-6221 TDT1736 distance=134' 20218-6420 LDS 708AB distance=134' 20218-6420 BAU 62AC distance=134' 19491-6149 I 120AB distance=135' 19491-6149 HJ 5141AB,C distance=135' 20227-6411 B 988 distance=136' 19461-6409 TDS1010 distance=143' 19565-6522 RSS 536 distance=150' 20026-6541 I 1409 distance=150' 19498-6454 HJ 5140 distance=150' 20040-6541 I 1411 distance=153' 19499-6504 BRT2016 distance=157' 20039-6026 KPP2309 distance=158' 19498-6103 JSP 806 distance=160' 19483-6502 TDS1013 distance=163' 20211-6105 UC 4157 distance=164' 20079-6549 TDT2009 distance=167' 20127-6026 UC 4122 distance=167' 20073-6551 B 985 distance=169' 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 20051-6304 HJ 5163 249 1.3
Show 19584-6329 TDS1028 346 1.0 52
Show 19578-6241 HU 1609 AB 236 2.4 56
Show 19578-6241 B 9038 AC 339 16.0 56
Show 20118-6337 RST5153 AB 331 0.3 57
Show 20118-6337 HJ 5167 AB,C 33 7.3 57
Show 20092-6210 HU 1611 AB 290 1.5 61
Show 20020-6405 HDS2853 104 0.4 65
Show 20088-6203 UC 4102 155 73.6 66
Show 20074-6415 RST5467 285 0.8 73
Show 20071-6141 TDT1994 34 3.5 84
Show 20161-6210 I 411 273 0.8 93
Show 19545-6408 FIN 275 28 1.0 96
Show 20115-6437 TDS1049 27 1.2 103
Show 20146-6426 HJ 5171 BC 21.5 103
Show 20146-6426 HJ 5171 AB 305 17.3 104
Show 20146-6426 HJ 5171 AC 335 34.6 104
Show 20146-6426 BAU 60 AD 215 52.1 104
Show 19494-6259 HDS2821 110 0.4 108
Show 20010-6448 SOZ 20 271 22.5 109
Show 19500-6231 RST5464 286 0.9 110
Show 20072-6453 KPP 457 344 4.6 111
Show 19475-6306 TDT1756 41 2.2 120
Show 19509-6421 RST5465 314 1.2 123
Show 20232-6249 NSN 445 192 2.0 125
Show 19548-6119 DEA 17 7 135.9 127
Show 19597-6102 HJ 5155 AB 192 4.7 129
Show 19597-6102 BAU 59 AC 163 44.2 129
Show 20099-6059 JSP 810 146 2.7 129
Show 19512-6435 MLO 88 229 5.2 130
Show 20241-6245 UC 4167 328 90.2 131
Show 20071-6514 RST1057 50 1.7 131
Show 19468-6221 TDT1736 287 2.3 134
Show 20218-6420 LDS 708 AB 210 22.1 134
Show 20218-6420 BAU 62 AC 281 46.3 134
Show 19491-6149 I 120 AB 166 0.4 135
Show 19491-6149 HJ 5141 AB,C 340 14.0 135
Show 20227-6411 B 988 68 1.8 136
Show 19461-6409 TDS1010 180 0.9 143
Show 19565-6522 RSS 536 13 19.7 150
Show 20026-6541 I 1409 131 12.8 150
Show 19498-6454 HJ 5140 254 1.5 150
Show 20040-6541 I 1411 280 17.7 153
Show 19499-6504 BRT2016 104 3.7 157
Show 20039-6026 KPP2309 178 19.5 158
Show 19498-6103 JSP 806 214 2.4 160
Show 19483-6502 TDS1013 264 1.3 163
Show 20211-6105 UC 4157 22 34.1 164
Show 20079-6549 TDT2009 303 0.5 167
Show 20127-6026 UC 4122 15 37.2 167
Show 20073-6551 B 985 206 4.7 169

 
 
WDS 20051-6304 : COMPONENTS
 
 
  A
B pa=229.3°
sep=0.74"
 
 
20051-6304 A
 
 
Componente originario normalizzato AB Name HD 189721 Coord arcsec 2000 200508.77-630341.7 Mag 7.73
Spectral class A3V (white) PmRA 13.00 PmDE -37.0 SAO 254722
HIP 98919 Tycho2 9090-01312-1 HD 189721 GC 27795
CP CP-63 4561
Tycho2
Tycho2 9090-01312-1 Pflag P RAmdeg 301.28654968 DEmdeg -63.06159142
PmRA 13.1 PmDE -36.7 E RAmdeg 5 E DEmdeg 5
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.59 EpDEm 1991.58
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.0 Q pmRA 1.7
Q pmDE 1.1 BTmag 7.848 E BTmag 0.015 VTmag 7.732
E VTmag 0.011 Prox 13 TYC T HIP 98919
CCDM A RAdeg 301.28664639 DEdeg -63.06147833 EpRA 1990 1.74
EpDE 1990 1.73 E RAdeg 4.5 E DEdeg 4.6 Posflg D
Corr 0.0
SAO
SAO 254722 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.008 Vmag 7.3 SpType A2
Double code Source 70 CatNum 27795 DM CP-63 4561
DMcomp BDsup HD 189721 M HD 0
GC 27795 RA1950rad 5.23899795 DE1950rad -1.10310023 PmRA2000 -0.0015
PmDE2000 -0.01
Hipparcos
Catalog H HIP 98919 Proxy H RAhms 20 05 08.80
DEdms -63 03 41.3 Vmag 7.28 VarFlag R Vmag H
RAdeg 301.287 DEdeg -63.0615 AstroRef A Plx 5.59
CCDM 20051-6304 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 249 Rho 1.286 HD 189721 BD
CD CP CP-63 4561 Dm number -63 4561 VIred 0.13
SpType A3V R SpType Coord arcsec 2000 200508.80-630341.3
Hipparcos 2
HIP 98919 Sn 15 So 3 Nc 2
RArad 5.2584440334 DErad -1.1006303676 Plx 6.53 PmRA 6.26
PmDE -39.21 E RArad 0.61 E DErad 0.64 E Plx 0.97
E pmRA 0.7 E pmDE 0.72 Hpmag 7.3292 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0 E BV 0.495
VI 0.13
CCDM
Ccdm 20051-6304 RComp Comp A Note1
Note2 Discov num DRAs 2.50 DDEs 21.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp A2 PmNote *
PmRA -3 PmDE -8 Dm number -63 4561 Cat1 CPD
Name2 254722 Cat2 SAO HD 189721 M HD
ADS BDS M ADS BDS N IDS IDS 19562S6320A
HIC 98919
 
 
20051-6304 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200508.69-630342.2 Mag 8.44 PmRA 13.00
PmDE -37.0 Tycho2 9090-01312-2 Calc delta mag 0.71 Calc coord yes
Tycho2
Tycho2 9090-01312-2 Pflag P RAmdeg 301.28654968 DEmdeg -63.06159142
PmRA 13.1 PmDE -36.7 E RAmdeg 5 E DEmdeg 5
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.59 EpDEm 1991.58
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.0 Q pmRA 1.7
Q pmDE 1.1 BTmag 8.728 E BTmag 0.017 VTmag 8.444
E VTmag 0.013 Prox 13 TYC HIP 98919
CCDM B RAdeg 301.28591806 DEdeg -63.06160833 EpRA 1990 1.74
EpDE 1990 1.71 E RAdeg 6.2 E DEdeg 6.6 Posflg D
Corr 0.0
CCDM
Ccdm 20051-6304 RComp Comp B Note1
Note2 Discov num HJ 5163 DRAs DDEs
R dRAs Year 1872 Theta 249 Rho 1.5
Obs 8 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19562S6320B
HIC 98919