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Doubles in session


Current system
09278-4235
HDS 1357 Aa,Ab
HD 81987


Nearby doubles
21' : 09284-4254
RST5516

25' : 09264-4215
B 1122

36' : 09251-4215
RSS 200

37' : 09276-4311
SWR 73AB

45' : 09248-4205
CPO 261

52' : 09249-4316
KPP3784

52' : 09237-4301
TDS6528

57' : 09301-4145
TDS6606

59' : 09330-4247
HJ 4219

61' : 09250-4143
TDS 534

61' : 09290-4136
RST1432

75' : 09288-4349
B 2216

77' : 09325-4140
KPP1642

79' : 09282-4117
TDS6581AB

79' : 09294-4351
DAM1631

80' : 09225-4330
KPP2005

80' : 09324-4336
DON 340

81' : 09318-4128
TDS6624

82' : 09302-4118
B 1129

83' : 09294-4355
TDS6599

87' : 09260-4359
I 1186AB

90' : 09284-4404
KPP2924

92' : 09240-4356
TDS6536

94' : 09202-4318
TVB 218

94' : 09362-4246
DAM1662

95' : 09196-4302
KPP2925



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.

09278-4235 HDS 1357 Aa,Ab (HD 81987)

 
 
09h 27m 46.42s -42° 34' 42.1" P.A. 228.00 sep 0.5 mag 7.41,10.58 Sp A1IV dist. 364.96 pc (1190.5 l.y.)
 
 
Coord 2000 09278-4235 Discov num HDS1357 Comp Aa,Ab Coord arcsec 2000 09 27 46.42 -42 34 42.1
Date first 1991 Date last 1991 Obs 1
Pa first 228 Pa last 228 P.A. Now (θ) 228°
Sep first 0.5 Sep last 0.544 Sep. Now (ρ) 0.544"
Mag pri 7.41 Mag sec 10.58 delta mag (ΔM) 3.17 Spectral class A1IV (white)
Pri motion ra -013 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
09278-4235 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 81987 221183 09 27 46 -42 34 42 HDS 1357 Aa,Ab 1991 1 228 0.5 7.41 10.58 3.17 <===
Show 221183 09 27 46 -42 34 42 HJ 4212 AB 2015 9 64 20.8 7.41 13.20 5.79
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 81987 Constellation Vela SAO 221183 HIP 46402
Tycho2 7699-00421-1 Gaia DR2 5425797687859498240 HD 81987 CD CD-42 5301
CP CP-42 3716 Distance 364.96 Distance ly 1190.5
 
 
WDS 09278-4235 HDS 1357 Aa,Ab (HD 81987) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
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
09278-4235 HDS1357 Aa,Ab 1991 1 228 0.5 7.41 10.58 A1IV D 092746.42-423442.1

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

 
 
WDS 09278-4235 HDS 1357 Aa,Ab (HD 81987) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09278-4235 HDS 1357 Aa,Ab (HD 81987) : MEASURES
 
 
No records found.

 
 
WDS 09278-4235 (HD 81987) : VIRTUAL EYEPIECE
 
 

09278-4235 HJ 4212A mag 7.41 Sp A1IV 09278-4235 HDS1357Ab sep 0.5 P.A. 219.30 mag 10.58 09278-4235 HJ 4212B sep 16.5 P.A. 56.40 mag 13.2 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 09278-4235 (HD 81987) : ALADIN DSS IMAGE @ 09h 27m 46.42s -42° 34' 42.1"
 
 
 
 
WDS 09278-4235 HDS 1357 Aa,Ab (HD 81987) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09278-4235 HDS1357Aa,Ab distance=1' 09278-4235 HJ 4212AB distance=1' 09284-4254 RST5516 distance=21' 09264-4215 B 1122 distance=25' 09251-4215 RSS 200 distance=36' 09276-4311 TDS6575Aa,Ab distance=37' 09276-4311 SWR 73AB distance=37' 09248-4205 CPO 261 distance=45' 09249-4316 KPP3784 distance=52' 09237-4301 TDS6528 distance=52' 09301-4145 TDS6606 distance=57' 09330-4247 HJ 4219 distance=59' 09250-4143 TDS 534 distance=61' 09290-4136 RST1432 distance=61' 09288-4349 B 2216 distance=75' 09325-4140 KPP1642 distance=77' 09282-4117 TDS6581AB distance=79' 09282-4117 TDS6581AC distance=79' 09294-4351 DAM1631 distance=79' 09225-4330 KPP2005 distance=80' 09324-4336 DON 340 distance=80' 09318-4128 TDS6624 distance=81' 09302-4118 B 1129 distance=82' 09294-4355 TDS6599 distance=83' 09260-4359 I 1186AB distance=87' 09260-4359 I 1186AC distance=87' 09284-4404 KPP2924 distance=90' 09240-4356 TDS6536 distance=92' 09202-4318 TVB 218 distance=94' 09362-4246 DAM1662 distance=94' 09196-4302 KPP2925 distance=95' 09199-4158 TDS6477 distance=95' 09239-4106 SKF 189 distance=99' 09367-4250 DON 347AB distance=100' 09367-4250 CPO 266AB,C distance=100' 09367-4220 CPO9121AB distance=100' 09367-4220 CPO9121AC distance=100' 09334-4354 NSN 300 distance=101' 09267-4414 WFC 87 distance=101' 09350-4339 DON 344 distance=102' 09230-4403 CPO 260 distance=103' 09323-4105 TDS6636 distance=103' 09328-4105 DAM1644 distance=106' 09183-4221 DAM1593BD distance=107' 09366-4319 DON 346 distance=107' 09182-4218 TDS6455 distance=108' 09202-4343 DON 336 distance=108' 09354-4127 RST1438 distance=109' 09207-4351 TDS6492 distance=110' 09201-4346 TDS6483AB distance=111' 09201-4346 DAM1686AB,C distance=111' 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 09278-4235 HDS1357 Aa,Ab 228 0.5 1
Show 09278-4235 HJ 4212 AB 64 20.8 1
Show 09284-4254 RST5516 8 0.9 21
Show 09264-4215 B 1122 240 0.2 25
Show 09251-4215 RSS 200 157 7.8 36
Show 09276-4311 TDS6575 Aa,Ab 72 0.6 37
Show 09276-4311 SWR 73 AB 86 28.5 37
Show 09248-4205 CPO 261 75 4.7 45
Show 09249-4316 KPP3784 298 1.7 52
Show 09237-4301 TDS6528 328 0.6 52
Show 09301-4145 TDS6606 90 1.8 57
Show 09330-4247 HJ 4219 335 20.5 59
Show 09250-4143 TDS 534 281 1.4 61
Show 09290-4136 RST1432 153 1.7 61
Show 09288-4349 B 2216 40 12.4 75
Show 09325-4140 KPP1642 353 12.6 77
Show 09282-4117 TDS6581 AB 41 1.9 79
Show 09282-4117 TDS6581 AC 32 8.1 79
Show 09294-4351 DAM1631 188 1.6 79
Show 09225-4330 KPP2005 65 15.9 80
Show 09324-4336 DON 340 283 0.5 80
Show 09318-4128 TDS6624 204 2.8 81
Show 09302-4118 B 1129 65 0.4 82
Show 09294-4355 TDS6599 195 0.8 83
Show 09260-4359 I 1186 AB 73 1.4 87
Show 09260-4359 I 1186 AC 199 9.4 87
Show 09284-4404 KPP2924 129 2.3 90
Show 09240-4356 TDS6536 51 2.5 92
Show 09202-4318 TVB 218 243 5.3 94
Show 09362-4246 DAM1662 253 9.9 94
Show 09196-4302 KPP2925 10 2.6 95
Show 09199-4158 TDS6477 162 2.2 95
Show 09239-4106 SKF 189 228 87.7 99
Show 09367-4250 DON 347 AB 250 0.5 100
Show 09367-4250 CPO 266 AB,C 252 5.9 100
Show 09367-4220 CPO9121 AB 257 3.6 100
Show 09367-4220 CPO9121 AC 144 4.6 100
Show 09334-4354 NSN 300 261 12.4 101
Show 09267-4414 WFC 87 210 20.2 101
Show 09350-4339 DON 344 208 0.5 102
Show 09230-4403 CPO 260 333 4.7 103
Show 09323-4105 TDS6636 167 2.5 103
Show 09328-4105 DAM1644 150 1.4 106
Show 09183-4221 DAM1593 BD 299 3.6 107
Show 09366-4319 DON 346 4 5.1 107
Show 09182-4218 TDS6455 52 0.7 108
Show 09202-4343 DON 336 88 0.3 108
Show 09354-4127 RST1438 96 0.4 109
Show 09207-4351 TDS6492 116 2.5 110
Show 09201-4346 TDS6483 AB 128 0.6 111
Show 09201-4346 DAM1686 AB,C 121 9.6 111

 
 
WDS 09278-4235 : COMPONENTS
 
 
  A Ab
Ab pa=219.3°
sep=0.47"
 
B pa=56.4°
sep=16.50"
pa=55.9°
sep=16.95"
 
 
09278-4235 A
 
 
Coord arcsec 2000 092746.42-423442.1 Mag 7.41 Spectral class A1IV (white) PmRA -13.00
PmDE 9.0 SAO 221183 HIP 46402 Tycho2 7699-00421-1
HD 81987 GC 13064 CD CD-42 5301 CP CP-42 3716
Tycho2
Tycho2 7699-00421-1 Pflag RAmdeg 141.94337461 DEmdeg -42.57833618
PmRA -15.1 PmDE 7.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.39 EpDEm 1991.48
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.7 BTmag 7.388 E BTmag 0.015 VTmag 7.351
E VTmag 0.010 Prox 999 TYC T HIP 46402
CCDM AC RAdeg 141.94342194 DEdeg -42.57835333 EpRA 1990 1.68
EpDE 1990 1.77 E RAdeg 4.0 E DEdeg 3.9 Posflg P
Corr 0.0
SAO
SAO 221183 DelFlag RA1950 PmRA1950 -0.0021
DE1950 PmDE1950 0.015 Vmag 7.2 SpType A2
Double code Source 70 CatNum 13064 DM CD-42 5301
DMcomp BDsup HD 81987 M HD 0
GC 13064 RA1950rad 2.4689556 DE1950rad -0.73931636 PmRA2000 -0.0015
PmDE2000 0.018
Hipparcos
Catalog H HIP 46402 Proxy H RAhms 09 27 46.42
DEdms -42 34 42.1 Vmag 7.34 VarFlag R Vmag H
RAdeg 141.943 DEdeg -42.5784 AstroRef A Plx 3.7
CCDM 09278-4235 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AC
Theta 228 Rho 0.544 HD 81987 BD
CD CD-42 5301 CP CP-42 3716 Dm number -42 5301 VIred 0.04
SpType A1IV R SpType Coord arcsec 2000 092746.42-423442.1
Hipparcos 2
HIP 46402 Sn 15 So 3 Nc 2
RArad 2.4773802064 DErad -0.7431324553 Plx 2.74 PmRA -14.25
PmDE 8.21 E RArad 0.46 E DErad 0.5 E Plx 0.67
E pmRA 0.53 E pmDE 0.54 Hpmag 7.3571 E Hpmag 0.001
SHp 0.011 VA 0 BV 0.046 E BV 0.007
VI 0.06
CCDM
Ccdm 09278-4235 RComp Comp A Note1
Note2 Discov num DRAs -1.58 DDEs 17.8
R dRAs 82 Year Theta Rho
Obs 3 Vmag 7.4 Sp A2 PmNote *
PmRA -13 PmDE 8 Dm number -42 5301 Cat1 CD
Name2 221183 Cat2 SAO HD 81987 M HD
ADS BDS M ADS BDS N IDS IDS 09239S4209A
HIC 46402
 
 
09278-4235 Ab
 
 
Coord arcsec 2000 092746.39-423442.5 Mag 10.58 Calc delta mag 3.17 Calc coord yes
 
 
09278-4235 B
 
 
Coord arcsec 2000 092747.66-423433.0 Mag 13.2 PmRA -6.00 PmDE 5.0
Calc delta mag 5.79 Calc coord yes
CCDM
Ccdm 09278-4235 RComp Comp B Note1
Note2 Discov num HJ 4212 DRAs 0.18 DDEs 26.7
R dRAs 90 Year 1898 Theta 062 Rho 21.0
Obs 3 Vmag 13.0 Sp PmNote
PmRA -13 PmDE 8 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 09239S4209B
HIC