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Current system
13550+8724
STF 1887
HD 126047


Nearby doubles
15' : 13424+8735
MFL 132

15' : 14180+8720
LDS1795

45' : 13498+8808
MFL 80

65' : 14094+8620
MFL 129

81' : 13469+8605
LDS1778

89' : 13501+8555
WFC 142

122' : 14033+8522
LDS1782

171' : 14133+8434
TDS9132

175' : 13497+8429
LDS1779

194' : 13549+8411
MFL 134

216' : 14070+8349
MFL 90

278' : 14069+8246
MFL 121

289' : 14005+8234
LDS1780



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

13550+8724 STF 1887 (HD 126047)

 
 
13h 54m 57.46s +87° 23' 44.1" P.A. 227.00 sep 3.6 mag 9.18,11.20 Sp B9 dist. 176.99 pc (577.34 l.y.)
 
 
Coord 2000 13550+8724 Discov num STF1887 Comp Coord arcsec 2000 13 54 57.46 +87 23 44.1
Date first 1832 Date last 2016 Obs 14
Pa first 240 Pa last 227.1 P.A. Now (θ) 227.1°
Sep first 3.2 Sep last 3.557 Sep. Now (ρ) 3.557"
Mag pri 9.18 Mag sec 11.20 delta mag (ΔM) 2.02 Spectral class B9 (blue-white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec +007 Sec motion dec +007
Notes N T (See Notes, Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 126047 Constellation Ursa Minor SAO 2326 HIP 67951
Tycho2 4641-00387-1 Gaia DR2 1728522236956025344 HD 126047 GC 19068
BD BD+88 86 Distance 176.99 Distance ly 577.34
 
 
WDS 13550+8724 STF 1887 (HD 126047) : NOTES
 
 
discov_num notes refcode
STF1887 Doolittle (1901) 1897 measure corrected by the author for refraction
and precession. Epoch=1900. Probably rectilinear motion. Doo1901
 
 
REFERENCES
 
 
refcode metd author reference
Doo1901 Ma j Doolittle, E. 1901PFAO....1c...1D
Doo1901 Pub. Univ. Penn. 1, Pt. 3, 1901
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13550+8724 STF1887 2001 10 227 3.6 8.90 11.20 B9 135457.46+872344.1
13550+8724 STF1887 2013 11 226 3.3 8.90 11.20 B9 N 135457.46+872344.1
13550+8724 STF1887 2016 13 227 3.6 9.18 11.20 B9 N 135457.46+872344.1

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

 
 
WDS 13550+8724 STF 1887 (HD 126047) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13550+8724 STF 1887 (HD 126047) : MEASURES
 
 
No records found.

 
 
WDS 13550+8724 (HD 126047) : VIRTUAL EYEPIECE
 
 

13550+8724 STF1887A mag 9.18 Sp B9 13550+8724 STF1887B sep 2.4 P.A. 182.80 mag 11.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 13550+8724 (HD 126047) : ALADIN DSS IMAGE @ 13h 54m 57.46s +87° 23' 44.1"
 
 
 
 
WDS 13550+8724 STF 1887 (HD 126047) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13550+8724 STF1887 distance=1' 13424+8735 MFL 132 distance=15' 14180+8720 LDS1795 distance=15' 13498+8808 MFL 80 distance=45' 14094+8620 MFL 129 distance=65' 13469+8605 LDS1778 distance=81' 13501+8555 WFC 142 distance=89' 14033+8522 LDS1782 distance=122' 14133+8434 TDS9132 distance=171' 13497+8429 LDS1779 distance=175' 13549+8411 MFL 134 distance=194' 14070+8349 MFL 90 distance=216' 14069+8246 MFL 121 distance=278' 14005+8234 LDS1780 distance=289' 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 13550+8724 STF1887 227 3.6 1
Show 13424+8735 MFL 132 177 35.0 15
Show 14180+8720 LDS1795 47 12.5 15
Show 13498+8808 MFL 80 14 47.8 45
Show 14094+8620 MFL 129 297 6.2 65
Show 13469+8605 LDS1778 302 26.7 81
Show 13501+8555 WFC 142 21 3.5 89
Show 14033+8522 LDS1782 43 16.7 122
Show 14133+8434 TDS9132 341 0.7 171
Show 13497+8429 LDS1779 91 5.9 175
Show 13549+8411 MFL 134 354 4.0 194
Show 14070+8349 MFL 90 177 12.1 216
Show 14069+8246 MFL 121 146 6.3 278
Show 14005+8234 LDS1780 85 4.3 289

 
 
WDS 13550+8724 : COMPONENTS
 
 
  A
B pa=182.8°
sep=2.42"
 
 
13550+8724 A
 
 
Componente originario normalizzato AB Name HD 126047 Coord arcsec 2000 135457.46+872344.1 Mag 9.18
Spectral class B9 (blue-white) PmRA 2.00 PmDE 7.0 SAO 2326
HIP 67951 Tycho2 4641-00387-1 HD 126047 GC 19068
BD BD+88 86
Tycho2
Tycho2 4641-00387-1 Pflag RAmdeg 208.73951068 DEmdeg 87.39560581
PmRA 6.3 PmDE 12.9 E RAmdeg 9 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.64 EpDEm 1990.71
Num 11 Q RAmdeg 3.6 Q DEmdeg 2.2 Q pmRA 3.5
Q pmDE 2.2 BTmag 9.245 E BTmag 0.018 VTmag 9.183
E VTmag 0.017 Prox 999 TYC T HIP 67951
CCDM RAdeg 208.73929806 DEdeg 87.39557833 EpRA 1990 1.79
EpDE 1990 1.72 E RAdeg 8.6 E DEdeg 8.7 Posflg
Corr 0.1
SAO
SAO 2326 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.003 Vmag 8.8 SpType B9
Double code Source 70 CatNum 19068 DM BD+88 86
DMcomp BDsup HD 126047 M HD 0
GC 19068 RA1950rad 3.68802141 DE1950rad 1.52954507 PmRA2000 0.0022
PmDE2000 0.007
Hipparcos
Catalog H HIP 67951 Proxy T RAhms 13 54 57.46
DEdms +87 23 44.1 Vmag 8.95 VarFlag R Vmag H
RAdeg 208.739 DEdeg 87.3956 AstroRef Plx 6.94
CCDM 13550+8724 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 126047 BD BD+88 86
CD CP Dm number +88 86 VIred 0.09
SpType B9 R SpType Coord arcsec 2000 135457.46+872344.1
Hipparcos 2
HIP 67951 Sn 1 So 2 Nc 1
RArad 3.6431902207 DErad 1.5253405976 Plx 5.65 PmRA 0.3
PmDE 11.36 E RArad 2.87 E DErad 2.84 E Plx 3.13
E pmRA 3 E pmDE 3.39 Hpmag 8.9819 E Hpmag 0.0016
SHp 0.017 VA 0 BV 0.083 E BV 0.021
VI 0.1
CCDM
Ccdm 13550+8724 RComp Comp A Note1
Note2 Discov num DRAs -1.99 DDEs -16.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp B9 PmNote *
PmRA 13 PmDE 2 Dm number +88 86 Cat1 BD
Name2 +87 108 Cat2 AGK2/3 HD 126047 M HD
ADS BDS A 9114 M ADS BDS N IDS IDS 14181N8753A
HIC 67951
 
 
13550+8724 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 135457.29+872341.7 Mag 11.2 PmRA 2.00
PmDE 7.0 Calc delta mag 2.02 Calc coord yes
CCDM
Ccdm 13550+8724 RComp Comp B Note1
Note2 Discov num STF1887 DRAs DDEs
R dRAs Year 1933 Theta 230 Rho 3.7
Obs 4 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9114 M ADS BDS N IDS IDS 14181N8753B
HIC 67951