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Current system
06543-1415
STF 990 AB
HD 50849


Nearby doubles
4' : 06543-1412
AOT 35

15' : 06533-1416
GWP 844

15' : 06538-1401
GAL 416

22' : 06558-1411
BRT1855

25' : 06556-1359
GAL 278

29' : 06561-1403
STF 997AB

31' : 06551-1346
AOT 37

31' : 06563-1426
AOT 38

44' : 06527-1338
GAL 271

46' : 06575-1421
BRT1856

47' : 06522-1448
BRT1854

49' : 06577-1418
A 3041

51' : 06516-1445
BRT 566

53' : 06508-1423
RST4323

53' : 06573-1446
GWP 853

60' : 06579-1345
GAL 280AB

65' : 06499-1414
TVB 144

67' : 06589-1423
BRT1857

69' : 06588-1352
RST3478

70' : 06590-1403
AOT 39

70' : 06520-1313
TDS4225

71' : 06498-1439
BRT1851

72' : 06514-1316
TDS4216

73' : 06563-1521
GAL 279

75' : 06506-1323
BRT1853

76' : 06592-1347
GAL 284



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.

06543-1415 STF 990 AB (HD 50849)

 
 
06h 54m 20.27s -14° 14' 34.2" P.A. 275.00 sep 3.2 mag 9.55,10.23 Sp B8/9Ib dist. 215.98 pc (704.53 l.y.)
 
 
Coord 2000 06543-1415 Discov num STF 990 Comp AB Coord arcsec 2000 06 54 20.27 -14 14 34.2
Date first 1831 Date last 2016 Obs 20
Pa first 275 Pa last 275.1 P.A. Now (θ) 275.1°
Sep first 3.3 Sep last 3.164 Sep. Now (ρ) 3.164"
Mag pri 9.55 Mag sec 10.23 delta mag (ΔM) 0.68 Spectral class B8/9Ib (blue-white)
Pri motion ra +011 Sec motion ra -003
Pri motion dec +004 Sec motion dec +003
Notes
rPM=1.199
This double is not physical.
 
 
06543-1415 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 50849 152077 06 54 20 -14 14 34 STF 990 AB 2016 20 275 3.2 9.55 10.23 0.68 <===
Show 152077 06 54 20 -14 14 34 AOT 36 AB,C 2015 4 342 31.3 9.38 13.81 4.43
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 50849 Constellation Canis Major SAO 152077 HIP 33177
Tycho2 5392-00092-1 Gaia DR2 2948987702933767808 HD 50849 GC 9058
BD BD-14 1633 Distance 215.98 Distance ly 704.53
 
 
WDS 06543-1415 STF 990 AB (HD 50849) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AOT Astronomical Obs. Torino (from additional DD list) ...................
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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
06543-1415 STF 990 AB 1998 16 275 2.6 9.55 10.23 B8/9Ib D 065420.27-141434.2
06543-1415 STF 990 AB 2008 17 275 2.7 9.55 10.23 B8/9Ib D 065420.27-141434.2
06543-1415 STF 990 AB 2015 19 275 3.2 9.55 10.23 B8/9Ib 065420.27-141434.2
06543-1415 STF 990 AB 2016 20 275 3.2 9.55 10.23 B8/9Ib 065420.27-141434.2

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

 
 
WDS 06543-1415 STF 990 AB (HD 50849) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06543-1415 STF 990 AB (HD 50849) : MEASURES
 
 
No records found.

 
 
WDS 06543-1415 (HD 50849) : VIRTUAL EYEPIECE
 
 

06543-1415 STF 990A mag 9.55 Sp B8/9Ib 06543-1415 STF 990B sep 3.1 P.A. 275.30 mag 10.23 06543-1415 AOT 36C sep 31.2 P.A. 342.30 mag 13.81 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 06543-1415 (HD 50849) : ALADIN DSS IMAGE @ 06h 54m 20.27s -14° 14' 34.2"
 
 
 
 
WDS 06543-1415 STF 990 AB (HD 50849) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06543-1415 STF 990AB distance=0' 06543-1412 AOT 35 distance=4' 06533-1416 GWP 844 distance=15' 06538-1401 GAL 416 distance=15' 06558-1411 BRT1855 distance=22' 06556-1359 GAL 278 distance=25' 06561-1403 STF 997AB distance=29' 06561-1403 STF 997AC distance=29' 06561-1403 STF 997AD distance=29' 06551-1346 AOT 37 distance=31' 06563-1426 AOT 38 distance=31' 06527-1338 GAL 271 distance=44' 06575-1421 BRT1856 distance=46' 06522-1448 BRT1854 distance=47' 06577-1418 A 3041 distance=49' 06516-1445 BRT 566 distance=51' 06508-1423 RST4323 distance=53' 06573-1446 GWP 853 distance=53' 06579-1345 GAL 280AB distance=60' 06499-1414 TVB 144 distance=65' 06589-1423 BRT1857 distance=67' 06588-1352 RST3478 distance=69' 06590-1403 AOT 39 distance=70' 06520-1313 TDS4225 distance=70' 06498-1439 BRT1851 distance=71' 06514-1316 TDS4216 distance=72' 06563-1521 GAL 279 distance=73' 06506-1323 BRT1853 distance=75' 06592-1347 GAL 284 distance=76' 06533-1528 HDS 954 distance=76' 06503-1321 BRT1852 distance=80' 06597-1346 TDS 314 distance=83' 06511-1524 RST3472AB distance=84' 06511-1524 DAM 424AB,C distance=84' 06511-1524 DAM 424CD distance=85' 06508-1526 DAM 423 distance=89' 06593-1322 BRT1858 distance=90' 06489-1332 TOI 649 distance=91' 06575-1253 BRT2656 distance=94' 06595-1319 BRT1859 distance=94' 06490-1509 AC 4 distance=95' 06506-1256 RST3470 distance=96' 06584-1300 HDS 969AB distance=96' 06584-1300 SKF2519AC distance=96' 06479-1437 RST4321 distance=97' 07000-1321 BRT1860 distance=99' 06561-1239 TDS4302 distance=100' 06484-1326 STF 971AB distance=100' 06484-1326 B 2611AB,C distance=100' 06561-1552 TDS4303 distance=101' 06485-1322 GAL 267 distance=101' 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 06543-1415 STF 990 AB 275 3.2
Show 06543-1415 AOT 36 AB,C 342 31.3
Show 06543-1412 AOT 35 234 15.0 4
Show 06533-1416 GWP 844 207 263.1 15
Show 06538-1401 GAL 416 162 15.4 15
Show 06558-1411 BRT1855 24 4.7 22
Show 06556-1359 GAL 278 110 8.2 25
Show 06561-1403 STF 997 AB 343 2.9 29
Show 06561-1403 STF 997 AC 288 86.6 29
Show 06561-1403 STF 997 AD 63 104.7 29
Show 06551-1346 AOT 37 102 9.2 31
Show 06563-1426 AOT 38 352 18.5 31
Show 06527-1338 GAL 271 256 9.8 44
Show 06575-1421 BRT1856 168 4.3 46
Show 06522-1448 BRT1854 96 3.8 47
Show 06577-1418 A 3041 50 1.0 49
Show 06516-1445 BRT 566 123 4.8 51
Show 06508-1423 RST4323 195 0.1 53
Show 06573-1446 GWP 853 119 43.6 53
Show 06579-1345 GAL 280 AB 205 10.6 60
Show 06499-1414 TVB 144 266 9.9 65
Show 06589-1423 BRT1857 102 2.8 67
Show 06588-1352 RST3478 70 0.6 69
Show 06590-1403 AOT 39 48 14.2 70
Show 06520-1313 TDS4225 236 2.3 70
Show 06498-1439 BRT1851 1 5.4 71
Show 06514-1316 TDS4216 65 1.5 72
Show 06563-1521 GAL 279 355 6.5 73
Show 06506-1323 BRT1853 208 4.1 75
Show 06592-1347 GAL 284 77 4.1 76
Show 06533-1528 HDS 954 126 0.6 76
Show 06503-1321 BRT1852 91 3.7 80
Show 06597-1346 TDS 314 26 1.9 83
Show 06511-1524 RST3472 AB 275 1.9 84
Show 06511-1524 DAM 424 AB,C 272 38.8 84
Show 06511-1524 DAM 424 CD 74 6.7 85
Show 06508-1526 DAM 423 180 7.8 89
Show 06593-1322 BRT1858 179 4.6 90
Show 06489-1332 TOI 649 130 2.7 91
Show 06575-1253 BRT2656 90 3.4 94
Show 06595-1319 BRT1859 192 3.0 94
Show 06490-1509 AC 4 348 0.4 95
Show 06506-1256 RST3470 263 0.9 96
Show 06584-1300 HDS 969 AB 27 0.3 96
Show 06584-1300 SKF2519 AC 103 50.1 96
Show 06479-1437 RST4321 55 0.4 97
Show 07000-1321 BRT1860 92 2.4 99
Show 06561-1239 TDS4302 81 0.5 100
Show 06484-1326 STF 971 AB 323 1.2 100
Show 06484-1326 B 2611 AB,C 165 84.6 100
Show 06561-1552 TDS4303 345 0.6 101

 
 
WDS 06543-1415 : COMPONENTS
 
 
  A B
B pa=275.3°
sep=3.07"
 
C pa=342.3°
sep=31.23"
pa=347.7°
sep=30.16"
 
 
06543-1415 A
 
 
Name HD 50849 Coord arcsec 2000 065420.27-141434.2 Mag 9.55 Spectral class B8/9Ib (blue-white)
PmRA 11.00 PmDE 4.0 SAO 152077 HIP 33177
Tycho2 5392-00092-1 HD 50849 GC 9058 BD BD-14 1633
Tycho2
Tycho2 5392-00092-1 Pflag P RAmdeg 103.58422681 DEmdeg -14.24279683
PmRA 3.3 PmDE 3.3 E RAmdeg 36 E DEmdeg 26
E pmRA 2.2 E pmDE 2.1 EpRAm 1988.55 EpDEm 1990.11
Num 3 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 9.540 E BTmag 0.023 VTmag 9.551
E VTmag 0.027 Prox 32 TYC T HIP 33177
CCDM A RAdeg 103.58444833 DEdeg -14.24282083 EpRA 1990 1.91
EpDE 1990 1.83 E RAdeg 13.3 E DEdeg 14.8 Posflg D
Corr 0.0
SAO
SAO 152077 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.005 Vmag 8.8 SpType B9
Double code Source 70 CatNum 9058 DM BD-14 1633
DMcomp BDsup HD 50849 M HD 0
GC 9058 RA1950rad 1.79790178 DE1950rad -0.24746746 PmRA2000 -0.0009
PmDE2000 -0.002
Hipparcos
Catalog H HIP 33177 Proxy H RAhms 06 54 20.27
DEdms -14 14 34.2 Vmag 9.15 VarFlag R Vmag H
RAdeg 103.584 DEdeg -14.2428 AstroRef A Plx 4.71
CCDM 06543-1415 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 275 Rho 3.158 HD 50849 BD BD-14 1633
CD CP Dm number -14 1633 VIred 0.02
SpType B8/B9Ib R SpType Coord arcsec 2000 065420.27-141434.2
Hipparcos 2
HIP 33177 Sn 15 So 3 Nc 2
RArad 1.8078895482 DErad -0.2485841803 Plx 4.63 PmRA -1.15
PmDE 3.04 E RArad 1.38 E DErad 1.1 E Plx 1.54
E pmRA 1.71 E pmDE 1.47 Hpmag 9.1038 E Hpmag 0.0032
SHp 0.02 VA 0 BV 0 E BV 0.495
VI -0.13
CCDM
Ccdm 06543-1415 RComp Comp A Note1
Note2 Discov num DRAs 2.02 DDEs 27.2
R dRAs 56 Year Theta Rho
Obs 3 Vmag 9.4 Sp B9 PmNote *
PmRA -19 PmDE -4 Dm number -14 1633 Cat1 BD
Name2 152077 Cat2 SAO HD 50849 M HD
ADS BDS A 5569 M ADS BDS N IDS IDS 06498S1407A
HIC 33177
 
 
06543-1415 B
 
 
Coord arcsec 2000 065420.06-141433.9 Mag 10.23 PmRA -3.00 PmDE 3.0
Tycho2 5392-00092-2 Calc delta mag 0.68 Calc coord yes
Tycho2
Tycho2 5392-00092-2 Pflag P RAmdeg 103.58422681 DEmdeg -14.24279683
PmRA 3.3 PmDE 3.3 E RAmdeg 36 E DEmdeg 26
E pmRA 2.2 E pmDE 2.1 EpRAm 1988.55 EpDEm 1990.11
Num 3 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.289 E BTmag 0.045 VTmag 10.231
E VTmag 0.058 Prox 32 TYC HIP 33177
CCDM B RAdeg 103.58353694 DEdeg -14.24275472 EpRA 1990 1.89
EpDE 1990 1.90 E RAdeg 37.4 E DEdeg 25.5 Posflg
Corr -0.1
CCDM
Ccdm 06543-1415 RComp Comp B Note1
Note2 Discov num STF 990 DRAs DDEs
R dRAs Year 1831 Theta 275 Rho 3.3
Obs 7 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5569 M ADS BDS N IDS IDS 06498S1407B
HIC 33177
 
 
06543-1415 C
 
 
Coord arcsec 2000 065419.62-141404.4 Mag 13.81 Calc delta mag 4.26 Calc coord yes
CCDM
Ccdm 06543-1415 RComp Comp C Note1
Note2 Discov num AOT 36 DRAs 1.40 DDEs 56.9
R dRAs 56 Year 1988 Theta 342 Rho 31.1
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 06498S1407C
HIC