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Doubles in session


Current system
10049+5529
STF 1402 AB
HD 87194


Nearby doubles
6' : 10045+5534
DAM1983

17' : 10031+5536
DAM1968

29' : 10016+5535
KUI 46

30' : 10084+5532
TOI1768

41' : 10097+5529
DAM 380

47' : 10026+5447
UC 1871AB

48' : 10071+5613
BVD 80

61' : 10120+5540
STI2243

65' : 10069+5427
STI2241

72' : 10016+5424
STI2239

76' : 10103+5629
UC 150

77' : 10076+5416
AZC 160

80' : 10068+5648
STI2240

82' : 10099+5420
MLB 126

93' : 10115+5417
CVR1271

96' : 10077+5357
TDS7041

99' : 09543+5452
ZHN 14

104' : 09527+5528
RAO 238

104' : 10115+5403
TDS7093AB

106' : 10122+5404
STI2244AB

107' : 09593+5704
LDS1233

108' : 10176+5542
LDS2851

109' : 09522+5537
STI2237

112' : 10138+5653
DAM2154

113' : 10137+5654
TDS7124

113' : 10178+5559
LDS2852



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.

10049+5529 STF 1402 AB (HD 87194)

 
 
10h 04m 54.93s +55° 29' 16.5" P.A. 105.00 sep 33.1 mag 7.91,8.92 Sp K5 dist. 520.83 pc (1698.95 l.y.)
 
 
Coord 2000 10049+5529 Discov num STF1402 Comp AB Coord arcsec 2000 10 04 54.93 +55 29 16.5
Date first 1830 Date last 2015 Obs 61
Pa first 96 Pa last 105.3 P.A. Now (θ) 105.3°
Sep first 20.4 Sep last 33.101 Sep. Now (ρ) 33.101"
Mag pri 7.91 Mag sec 8.92 delta mag (ΔM) 1.01 Spectral class K5 (yellow-orange)
Pri motion ra -005 Sec motion ra +055
Pri motion dec -003 Sec motion dec -036
Notes L Y (Linear solution, Parallax indicates components are non-physical)
rPM=1.042
This double is not physical.
 
 
10049+5529 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 87194 27506 10 04 55 +55 29 16 STF 1402 AB 2015 61 105 33.1 7.91 8.92 1.01 <===
Show 27506 10 04 55 +55 29 16 GIR 2 AC 2015 8 175 132.3 7.91 9.72 1.81
Show 27507 10 04 56 +55 27 05 TDS 7005 CD 2016 3 259 1.2 10.36 10.41 0.05
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 87194 Constellation Ursa Major SAO 27506 HIP 49382
Tycho2 3818-01307-1 Gaia DR2 1044997089652542336 HD 87194 GC 13837
BD BD+56 1428 Distance 520.83 Distance ly 1698.95
 
 
WDS 10049+5529 STF 1402 AB (HD 87194) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Gir1992 Mb - Girard, P.M. ...................
Gir1992 Webb Soc., Double Star Circ. 5, 1992
Gir1994 Mb - Girard, P.M. ...................
Gir1994 Webb Soc., Double Star Circ. 6, 1994
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10049+5529 STF1402 AB 2007 41 105 32.3 7.91 8.92 K5 NLD 100454.93+552916.5
10049+5529 STF1402 AB 2010 44 106 32.7 7.91 8.92 K5 NLD 100454.93+552916.5
10049+5529 STF1402 AB 2015 46 105 33.1 7.91 8.92 K5 L Y 100454.93+552916.5

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

 
 
WDS 10049+5529 STF 1402 AB (HD 87194) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10049+5529 STF 1402 AB (HD 87194) : MEASURES
 
 
No records found.

 
 
WDS 10049+5529 (HD 87194) : VIRTUAL EYEPIECE
 
 

10049+5529 STF1402A mag 7.91 Sp K5 10049+5529 STF1402B sep 20.1 P.A. 115.80 mag 8.92 10049+5529 TDS7005C sep 132.3 P.A. 174.50 mag 10.36 10049+5529 TDS7005D sep 132.5 P.A. 174.80 mag 10.41 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 10049+5529 (HD 87194) : ALADIN DSS IMAGE @ 10h 04m 54.93s +55° 29' 16.5"
 
 
 
 
WDS 10049+5529 STF 1402 AB (HD 87194) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10049+5529 STF1402AB distance=1' 10049+5529 GIR 2AC distance=1' 10049+5529 TDS7005CD distance=3' 10045+5534 DAM1983 distance=6' 10031+5536 DAM1968 distance=17' 10016+5535 KUI 46 distance=29' 10084+5532 TOI1768 distance=30' 10097+5529 DAM 380 distance=41' 10026+5447 UC 1871AB distance=47' 10026+5447 UC 1871AC distance=47' 10026+5447 UC 1871BC distance=47' 10071+5613 BVD 80 distance=48' 10120+5540 STI2243 distance=61' 10069+5427 STI2241 distance=65' 10016+5424 STI2239 distance=72' 10103+5629 UC 150 distance=76' 10076+5416 AZC 160 distance=77' 10068+5648 STI2240 distance=80' 10099+5420 MLB 126 distance=82' 10115+5417 CVR1271 distance=93' 10077+5357 TDS7041 distance=96' 09543+5452 ZHN 14 distance=99' 09527+5528 RAO 238 distance=104' 10115+5403 TDS7093AB distance=104' 10115+5403 DAM2109AB,C distance=104' 10122+5404 STI2244AB distance=106' 10122+5404 DAM2128AC distance=106' 09593+5704 LDS1233 distance=107' 10176+5542 LDS2851 distance=108' 09522+5537 STI2237 distance=109' 10138+5653 DAM2154 distance=112' 10137+5654 TDS7124 distance=113' 10178+5559 LDS2852 distance=113' 10183+5505 HJ 2523 distance=118' 10180+5609 DAM2261 distance=118' 10181+5607 HDS1483AB distance=118' 10181+5607 DAM2266AB,C distance=118' 10028+5727 DAM1957 distance=119' 10184+5607 DAM2278 distance=120' 10032+5729 TDS6986 distance=121' 10059+5731 TDS7012 distance=123' 10034+5732 A 1347 distance=124' 10145+5706 UC 1899 distance=126' 10136+5345 DAM2151 distance=129' 10141+5348 TDS7130 distance=130' 10022+5323 MLR 678 distance=130' 10173+5651 CRB 184 distance=132' 10181+5423 FMR 91 distance=132' 10199+5628 UC 1914 distance=139' 09485+5537 STI2236 distance=139' 09521+5404 STT 208 distance=140' 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 10049+5529 STF1402 AB 105 33.1 1
Show 10049+5529 GIR 2 AC 175 132.3 1
Show 10049+5529 TDS7005 CD 259 1.2 3
Show 10045+5534 DAM1983 142 6.0 6
Show 10031+5536 DAM1968 248 3.5 17
Show 10016+5535 KUI 46 48 3.0 29
Show 10084+5532 TOI1768 140 2.3 30
Show 10097+5529 DAM 380 225 6.7 41
Show 10026+5447 UC 1871 AB 143 55.5 47
Show 10026+5447 UC 1871 AC 147 60.3 47
Show 10026+5447 UC 1871 BC 186 6.5 47
Show 10071+5613 BVD 80 140 25.0 48
Show 10120+5540 STI2243 49 17.9 61
Show 10069+5427 STI2241 248 7.6 65
Show 10016+5424 STI2239 146 5.2 72
Show 10103+5629 UC 150 200 14.5 76
Show 10076+5416 AZC 160 45.4 77
Show 10068+5648 STI2240 12 4.1 80
Show 10099+5420 MLB 126 250 4.8 82
Show 10115+5417 CVR1271 262 3.4 93
Show 10077+5357 TDS7041 133 0.8 96
Show 09543+5452 ZHN 14 191 98.6 99
Show 09527+5528 RAO 238 349 2.7 104
Show 10115+5403 TDS7093 AB 220 0.6 104
Show 10115+5403 DAM2109 AB,C 201 7.1 104
Show 10122+5404 STI2244 AB 63 4.3 106
Show 10122+5404 DAM2128 AC 179 42.7 106
Show 09593+5704 LDS1233 176 52.9 107
Show 10176+5542 LDS2851 223 59.6 108
Show 09522+5537 STI2237 116 9.2 109
Show 10138+5653 DAM2154 9 4.8 112
Show 10137+5654 TDS7124 51 0.8 113
Show 10178+5559 LDS2852 76 6.8 113
Show 10183+5505 HJ 2523 321 12.7 118
Show 10180+5609 DAM2261 284 2.9 118
Show 10181+5607 HDS1483 AB 304 0.2 118
Show 10181+5607 DAM2266 AB,C 72 5.0 118
Show 10028+5727 DAM1957 345 23.6 119
Show 10184+5607 DAM2278 124 4.0 120
Show 10032+5729 TDS6986 359 0.4 121
Show 10059+5731 TDS7012 102 0.6 123
Show 10034+5732 A 1347 59 0.4 124
Show 10145+5706 UC 1899 76 10.3 126
Show 10136+5345 DAM2151 165 1.7 129
Show 10141+5348 TDS7130 97 2.6 130
Show 10022+5323 MLR 678 330 0.7 130
Show 10173+5651 CRB 184 218 11.5 132
Show 10181+5423 FMR 91 139 72.2 132
Show 10199+5628 UC 1914 247 17.0 139
Show 09485+5537 STI2236 62 5.7 139
Show 09521+5404 STT 208 317 0.5 140

 
 
WDS 10049+5529 : COMPONENTS
 
 
  A B C
B pa=115.8°
sep=20.09"
 
C pa=174.5°
sep=132.32"
pa=182.5°
sep=123.08"
 
D pa=174.8°
sep=132.48"
pa=182.8°
sep=123.34"
pa=250.8°
sep=0.68"
 
 
10049+5529 A
 
 
Name HD 87194 Coord arcsec 2000 100454.93+552916.5 Mag 7.91 Spectral class K5 (yellow-orange)
PmRA -5.00 PmDE -3.0 SAO 27506 HIP 49382
Tycho2 3818-01307-1 HD 87194 GC 13837 BD BD+56 1428
Tycho2
Tycho2 3818-01307-1 Pflag RAmdeg 151.22886489 DEmdeg 55.48790753
PmRA -4.7 PmDE 0.3 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.04 EpDEm 1991.11
Num 13 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.3
Q pmDE 0.8 BTmag 9.829 E BTmag 0.021 VTmag 7.910
E VTmag 0.011 Prox 316 TYC T HIP 49382
CCDM RAdeg 151.22888389 DEdeg 55.48790667 EpRA 1990 1.71
EpDE 1990 1.64 E RAdeg 5.6 E DEdeg 5.8 Posflg
Corr -0.1
SAO
SAO 27506 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.002 Vmag 8.1 SpType K5
Double code Source 70 CatNum 13837 DM BD+56 1428
DMcomp BDsup HD 87194 M HD 0
GC 13837 RA1950rad 2.62480309 DE1950rad 0.97268996 PmRA2000 0.0003
PmDE2000 0.006
Hipparcos
Catalog H HIP 49382 Proxy RAhms 10 04 54.93
DEdms +55 29 16.5 Vmag 7.81 VarFlag R Vmag G
RAdeg 151.229 DEdeg 55.4879 AstroRef Plx 0.5
CCDM 10049+5529 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 87194 BD BD+56 1428
CD CP Dm number +56 1428 VIred 1.71
SpType K5 R SpType Coord arcsec 2000 100454.93+552916.5
Hipparcos 2
HIP 49382 Sn 5 So 0 Nc 1
RArad 2.6394419551 DErad 0.968446674 Plx 1.92 PmRA -5.45
PmDE -2.59 E RArad 0.53 E DErad 0.43 E Plx 0.81
E pmRA 0.66 E pmDE 0.48 Hpmag 7.8277 E Hpmag 0.002
SHp 0.02 VA 0 BV 1.54 E BV 0.197
VI 1.71
CCDM
Ccdm 10049+5529 RComp Comp A Note1
Note2 Discov num DRAs 0.88 DDEs 16.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp K5 PmNote *
PmRA -12 PmDE 1 Dm number +56 1428 Cat1 BD
Name2 +55 716 Cat2 AGK2/3 HD 87194 M HD
ADS BDS B 5292 M ADS BDS N IDS IDS 09582N5558A
HIC 49382
 
 
10049+5529 B
 
 
Coord arcsec 2000 100457.06+552907.8 Mag 8.92 PmRA 55.00 PmDE -36.0
HIP 49389 Tycho2 3818-01477-1 HD 237861 Calc delta mag 1.01
Calc coord yes
Tycho2
Tycho2 3818-01477-1 Pflag RAmdeg 151.24409045 DEmdeg 55.48560999
PmRA 55.1 PmDE -35.0 E RAmdeg 8 E DEmdeg 9
E pmRA 1.4 E pmDE 1.5 EpRAm 1990.97 EpDEm 1990.75
Num 9 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 9.493 E BTmag 0.018 VTmag 8.917
E VTmag 0.015 Prox 316 TYC T HIP 49389
CCDM RAdeg 151.24386611 DEdeg 55.48569056 EpRA 1990 1.70
EpDE 1990 1.63 E RAdeg 8.3 E DEdeg 8.8 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 49389 Proxy RAhms 10 04 58.52
DEdms +55 29 08.5 Vmag 8.85 VarFlag R Vmag H
RAdeg 151.244 DEdeg 55.4857 AstroRef Plx 8.66
CCDM 10049+5529 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 237861 BD
CD CP Dm number VIred 1.54
SpType K5 R SpType Coord arcsec 2000 100458.52+552908.5
Hipparcos 2
HIP 49389 Sn 5 So 0 Nc 1
RArad 2.6397030416 DErad 0.9684080637 Plx 8.78 PmRA 55.73
PmDE -35.07 E RArad 0.99 E DErad 0.8 E Plx 1.38
E pmRA 1.25 E pmDE 0.91 Hpmag 8.9992 E Hpmag 0.0026
SHp 0.031 VA 0 BV 1.54 E BV 0.197
VI 0.85
CCDM
Ccdm 10049+5529 RComp Comp B Note1
Note2 Discov num STF1402 DRAs 4.73 DDEs 9.1
R dRAs 10 Year 1924 Theta 102 Rho 27.2
Obs 15 Vmag 9.6 Sp G0 PmNote *
PmRA 76 PmDE -23 Dm number Cat1
Name2 +55 718 Cat2 AGK2/3 HD 237861 M HD
ADS BDS B 5292 M ADS BDS N IDS IDS 09582N5558B
HIC 49389
 
 
10049+5529 C
 
 
Coord arcsec 2000 100456.43+552704.8 Coord calc 100456.43+552704.8 Mag 10.36 PmRA -4.00
PmDE 5.0 SAO 27507 Tycho2 3818-01306-1 HD 87173
DM BD+56 1427 Calc delta mag 2.45
Tycho2
Tycho2 3818-01306-1 Pflag RAmdeg 151.23504765 DEmdeg 55.45132627
PmRA -3.9 PmDE 5.3 E RAmdeg 14 E DEmdeg 16
E pmRA 1.6 E pmDE 1.7 EpRAm 1989.65 EpDEm 1988.84
Num 8 Q RAmdeg 0.5 Q DEmdeg 1.2 Q pmRA 0.6
Q pmDE 1.2 BTmag 10.932 E BTmag 0.040 VTmag 9.721
E VTmag 0.022 Prox 999 TYC T HIP
CCDM RAdeg 151.23506250 DEdeg 55.45131139 EpRA 1990 1.76
EpDE 1990 1.58 E RAdeg 14.8 E DEdeg 18.2 Posflg
Corr -0.1
SAO
SAO 27507 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 0.001 Vmag 9.2 SpType G0
Double code Source 38 CatNum 6188 DM BD+56 1427
DMcomp BDsup HD 87173 M HD 0
GC RA1950rad 2.62491657 DE1950rad 0.97204889 PmRA2000 0.0019
PmDE2000 0.005
 
 
10049+5529 D
 
 
Coord arcsec 2000 100456.35+552704.6 Mag 10.41 PmRA -4.00 PmDE 5.0
Calc delta mag 2.5 Calc coord yes