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Doubles in session


Current system
10370-0850
A 556 AB
HD 91962


Nearby doubles
16' : 10371-0906
NSN 126

31' : 10368-0921
SKF 796

40' : 10396-0857
LDS4007

43' : 10375-0932
RST3708

44' : 10349-0820
GWP1403

54' : 10376-0943
HJ 834

74' : 10412-0811
GWP1433

75' : 10320-0857
BRT 432

76' : 10401-0750
KPP2173

80' : 10380-0733
KPP2114

81' : 10322-0812
A 345

93' : 10430-0913
WSI 112

106' : 10303-0818
GWP1389

106' : 10363-1035
DRS 46

112' : 10431-0957
KPP1366

115' : 10310-0738
STF1441AB

116' : 10337-0706
RST3705

119' : 10332-0707
RST3704

123' : 10304-0737
DAM2393

128' : 10456-0912
RST3713

133' : 10442-0732
GWP1446

133' : 10374-1103
J 2075

134' : 10377-1103
TOK 842

135' : 10345-0641
GWP1401

136' : 10383-0637
TDS7385

138' : 10423-1043
GWP1436



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.

10370-0850 A 556 AB (HD 91962)

 
 
10h 37m 00.02s -08° 50' 23.6" P.A. 216.00 sep 0.9 mag 7.10,9.80 Sp G0V+K5V dist. 39.86 pc (130.02 l.y.)
 
 
Coord 2000 10370-0850 Discov num A   556 Comp AB Coord arcsec 2000 10 37 00.02 -08 50 23.6
Date first 1903 Date last 2021 Obs 75
Pa first 54 Pa last 216.4 P.A. Now (θ) 216.4°
Sep first 1.3 Sep last 0.916 Sep. Now (ρ) 0.916"
Mag pri 7.10 Mag sec 9.80 delta mag (ΔM) 2.7 Spectral class G0V+K5V (yellow/yellow-orange)
Pri motion ra -094 Sec motion ra -101
Pri motion dec -049 Sec motion dec -074
Notes N O (See Notes, Orbital solution)
rPM=0.207 (< 0.3, Physical double)
This double is physical.
 
 
10370-0850 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 137678 10 37 00 -08 50 24 TOK 44 Aa,Ab 2021 33 62 0.1 7.19 10.05 2.86 Y
Show HD 91962 137678 10 37 00 -08 50 24 A 556 AB 2021 75 216 0.9 7.10 9.80 2.70 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 91962 Constellation Sextans SAO 137678 HIP 51966
Tycho2 5492-00987-1 Gaia DR2 3762120497774235648 HD 91962 GC 14596
ADS 7854 BD BD-08 2963 Distance 39.86 Distance ly 130.02
 
 
ORBITAL ELEMENTS
 
 
Period (P)205y Periastron (T)2048.6y± 2.5 Semi-major axis (a)1.334a± 0.016
Eccentricity (e)0.301± 0.016 Inclination (i)54.2°± 0.8 Longitude of periastron (ω)219.7°± 1.3
Node (Ω)63.2°± 2 Notesn ReferenceTok2015b
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 171.4 0.858
2001 173.8 0.859
2002 176.1 0.861
2003 178.5 0.863
2004 180.8 0.866
2005 183.1 0.870
2006 185.4 0.875
2007 187.7 0.880
2008 189.9 0.885
2009 192.1 0.892
2010 194.3 0.898
2011 196.5 0.905
2012 198.6 0.912
2013 200.7 0.920
2014 202.7 0.927
2015 204.7 0.935
2016 206.7 0.943
2017 208.6 0.950
2018 210.5 0.958
2019 212.4 0.965
2020 214.3 0.972
2021 216.1 0.979
2022 217.9 0.985
2023 219.7 0.991
2024 221.5 0.996
2025 223.2 1.001
2026 225.0 1.005
2027 226.7 1.008
2028 228.4 1.010
2029 230.1 1.012
2030 231.8 1.012


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds10370-0850a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10370-0850 A 556 AB (HD 91962) : NOTES
 
 
discov_num notes refcode
TOK 44 Aa,Ab: Tokovinin et al. (2015) derive spectral types G0V and K5V for
the Aa and Ab components; masses are 1.46 and 0.64 Msun. Aa is a 170d
SB; Aa2 is possibly of type M3V. Tok2015b
Aa,Ab: SB, P=7.603y. Tok2014d
A 556 AB: Tokovinin et al. (2015) derives a spectral type K5V for the B
component; mass is 0.64 Msun. Dynamical parallax is 27.4 +/- 0.6 mas. Tok2015b
 
 
REFERENCES
 
 
refcode metd author reference
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
Tok2015b orb+j Tokovinin, A., Latham, D.W., & Mason, B.D. 2015AJ....149..195T
Tok2015b +S+ AJ 149, 195, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10370-0850 A 556 AB 1997 41 143 0.8 7.23 9.73 G0 NOD 103700.02-085023.6
10370-0850 A 556 AB 2009 43 194 0.9 7.23 9.73 G0 NOD 103700.02-085023.6
10370-0850 A 556 AB 2010 45 196 0.9 7.23 9.73 G0 NOD 103700.02-085023.6
10370-0850 A 556 AB 2012 47 197 0.9 7.23 9.73 G0 NOD 103700.02-085023.6
10370-0850 A 556 AB 2013 49 199 0.9 7.23 9.73 G0 NOD 103700.02-085023.6
10370-0850 A 556 AB 2015 55 205 0.9 7.10 9.80 G0V+K5V NO 103700.02-085023.6
10370-0850 A 556 AB 2017 68 212 1.0 7.10 9.80 G0V+K5V NO 103700.02-085023.6
10370-0850 A 556 AB 2018 72 214 1.0 7.10 9.80 G0V+K5V NO 103700.02-085023.6
10370-0850 A 556 AB 2019 74 215 0.9 7.10 9.80 G0V+K5V NO 103700.02-085023.6
10370-0850 A 556 AB 2021 75 216 0.9 7.10 9.80 G0V+K5V NO 103700.02-085023.6

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

 
 
WDS 10370-0850 A 556 AB (HD 91962) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10370-0850 A 556 AB (HD 91962) : MEASURES
 
 
No records found.

 
 
WDS 10370-0850 (HD 91962) : VIRTUAL EYEPIECE
 
 

10370-0850 A 556A mag 7.1 Sp G0V 10370-0850 TOK 44Ab sep 0.1 P.A. 61.40 mag 10.05 Sp K5V 10370-0850 A 556B sep 0.9 P.A. 216.10 mag 9.8 Sp K5V 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 10370-0850 (HD 91962) : ALADIN DSS IMAGE @ 10h 37m 00.02s -08° 50' 23.6"
 
 
 
 
WDS 10370-0850 A 556 AB (HD 91962) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10370-0850 A 556AB distance=0' 10371-0906 NSN 126 distance=16' 10368-0921 SKF 796 distance=31' 10396-0857 LDS4007 distance=40' 10375-0932 RST3708 distance=43' 10349-0820 GWP1403 distance=44' 10376-0943 HJ 834 distance=54' 10412-0811 GWP1433 distance=74' 10320-0857 BRT 432 distance=75' 10401-0750 KPP2173 distance=76' 10380-0733 KPP2114 distance=80' 10322-0812 A 345 distance=81' 10430-0913 WSI 112 distance=93' 10303-0818 GWP1389 distance=106' 10363-1035 DRS 46 distance=106' 10431-0957 KPP1366 distance=112' 10310-0738 STF1441AB distance=115' 10310-0738 STF1441AC distance=115' 10337-0706 RST3705 distance=116' 10332-0707 RST3704 distance=119' 10304-0737 DAM2393 distance=123' 10456-0912 RST3713 distance=128' 10442-0732 GWP1446 distance=133' 10374-1103 J 2075 distance=133' 10377-1103 TOK 842 distance=134' 10345-0641 GWP1401 distance=135' 10383-0637 TDS7385 distance=136' 10423-1043 GWP1436 distance=138' 10451-0735 GWP1450 distance=143' 10382-0629 GWP1415 distance=143' 10381-1113 RST3709 distance=144' 10394-0630 KPP2580 distance=145' 10456-0735 RST3712 distance=149' 10382-0620 GWP1414 distance=152' 10425-0631 A 67 distance=162' 10273-0727 RST3696 distance=167' 10336-0610 RST4459AB distance=169' 10336-0610 RST4459AB,C distance=169' 10477-0748 GWP1458 distance=171' 10402-1134 SCA 88 distance=171' 10458-1043 BU 914 distance=172' 10346-1139 J 1568 distance=173' 10382-0556 J 88 distance=175' 10394-1144 SCA 87 distance=178' 10348-1146 SCA 72 distance=179' 10325-0605 BU 1073 distance=180' 10350-1147 SCA 73 distance=180' 10392-0553 A 66 distance=181' 10486-0951 SKF 800 distance=182' 10377-0549 JNN 73 distance=182' 10341-1148 SCA 68 distance=184' 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 10370-0850 TOK 44 Aa,Ab 62 0.1
Show 10370-0850 A 556 AB 216 0.9
Show 10371-0906 NSN 126 289 1.2 16
Show 10368-0921 SKF 796 234 9.7 31
Show 10396-0857 LDS4007 285 15.6 40
Show 10375-0932 RST3708 3 0.5 43
Show 10349-0820 GWP1403 345 49.4 44
Show 10376-0943 HJ 834 215 27.8 54
Show 10412-0811 GWP1433 327 580.8 74
Show 10320-0857 BRT 432 275 3.9 75
Show 10401-0750 KPP2173 134 17.8 76
Show 10380-0733 KPP2114 324 17.1 80
Show 10322-0812 A 345 202 0.7 81
Show 10430-0913 WSI 112 125 0.6 93
Show 10303-0818 GWP1389 295 31.9 106
Show 10363-1035 DRS 46 95 7.2 106
Show 10431-0957 KPP1366 237 10.3 112
Show 10310-0738 STF1441 AB 167 2.8 115
Show 10310-0738 STF1441 AC 315 61.7 115
Show 10337-0706 RST3705 305 1.0 116
Show 10332-0707 RST3704 262 0.9 119
Show 10304-0737 DAM2393 25 7.7 123
Show 10456-0912 RST3713 200 0.6 128
Show 10442-0732 GWP1446 21 13.9 133
Show 10374-1103 J 2075 61 6.6 133
Show 10377-1103 TOK 842 244 0.4 134
Show 10345-0641 GWP1401 88 95.0 135
Show 10383-0637 TDS7385 147 0.8 136
Show 10423-1043 GWP1436 235 43.3 138
Show 10451-0735 GWP1450 359 12.3 143
Show 10382-0629 GWP1415 189 5.5 143
Show 10381-1113 RST3709 183 1.3 144
Show 10394-0630 KPP2580 288 23.3 145
Show 10456-0735 RST3712 167 2.6 149
Show 10382-0620 GWP1414 245 33.9 152
Show 10425-0631 A 67 214 2.6 162
Show 10273-0727 RST3696 251 1.7 167
Show 10336-0610 RST4459 AB 306 0.2 169
Show 10336-0610 RST4459 AB,C 93 4.4 169
Show 10477-0748 GWP1458 108 15.6 171
Show 10402-1134 SCA 88 287 93.1 171
Show 10458-1043 BU 914 344 1.3 172
Show 10346-1139 J 1568 238 8.1 173
Show 10382-0556 J 88 237 9.4 175
Show 10394-1144 SCA 87 279 18.0 178
Show 10348-1146 SCA 72 185 64.1 179
Show 10325-0605 BU 1073 48 3.6 180
Show 10350-1147 SCA 73 95 33.0 180
Show 10392-0553 A 66 139 0.6 181
Show 10486-0951 SKF 800 66 35.2 182
Show 10377-0549 JNN 73 2 0.5 182

 
 
WDS 10370-0850 : COMPONENTS
 
 
  A Ab
Ab pa=61.4°
sep=0.15"
 
B pa=216.1°
sep=0.91"
pa=219.6°
sep=1.05"
 
 
10370-0850 A
 
 
Name HD 91962 Coord arcsec 2000 103700.02-085023.6 Mag 7.1 Spectral class G0V (yellow)
PmRA -94.00 PmDE -49.0 SAO 137678 HIP 51966
Tycho2 5492-00987-1 HD 91962 GC 14596 BD BD-08 2963
Tycho2
Tycho2 5492-00987-1 Pflag RAmdeg 159.25006845 DEmdeg -8.83987957
PmRA -94.1 PmDE -48.8 E RAmdeg 4 E DEmdeg 5
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.34 EpDEm 1991.01
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 7.870 E BTmag 0.015 VTmag 7.232
E VTmag 0.011 Prox 9 TYC T HIP 51966
CCDM A RAdeg 159.25028500 DEdeg -8.83976806 EpRA 1990 1.82
EpDE 1990 1.78 E RAdeg 4.4 E DEdeg 5.1 Posflg
Corr 0.2
SAO
SAO 137678 DelFlag RA1950 PmRA1950 -0.0067
DE1950 PmDE1950 -0.06 Vmag 7.1 SpType G0
Double code Source 70 CatNum 14596 DM BD-08 2963
DMcomp BDsup HD 91962 M HD 0
GC 14596 RA1950rad 2.76854792 DE1950rad -0.14973889 PmRA2000 -0.0064
PmDE2000 -0.055
Hipparcos
Catalog H HIP 51966 Proxy H RAhms 10 37 00.07
DEdms -08 50 23.1 Vmag 7.05 VarFlag R Vmag G
RAdeg 159.25 DEdeg -8.83976 AstroRef A Plx 27.25
CCDM 10370-0850 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 154 Rho 0.88 HD 91962 BD BD-08 2963
CD CP Dm number -08 2963 VIred 0.69
SpType G0 R SpType Coord arcsec 2000 103700.07-085023.1
Hipparcos 2
HIP 51966 Sn 15 So 3 Nc 2
RArad 2.7794421138 DErad -0.1542829367 Plx 25.09 PmRA -101.74
PmDE -73.3 E RArad 0.94 E DErad 0.93 E Plx 1.24
E pmRA 1.11 E pmDE 1.13 Hpmag 7.1627 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.625 E BV 0.007
VI 0.69
CCDM
Ccdm 10370-0850 RComp Comp A Note1
Note2 Discov num DRAs 0.00 DDEs -23.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp G0 PmNote *
PmRA -99 PmDE -59 Dm number -08 2963 Cat1 BD
Name2 137678 Cat2 SAO HD 91962 M HD
ADS BDS A 7854 M ADS BDS N IDS IDS 10320S0819A
HIC 51966
 
 
10370-0850 Ab
 
 
Coord arcsec 2000 103700.03-085023.5 Mag 10.05 Spectral class K5V (yellow-orange) Calc delta mag 2.86
Calc coord yes
 
 
10370-0850 B
 
 
Coord arcsec 2000 103659.98-085024.3 Mag 9.8 Spectral class K5V (yellow-orange) PmRA -101.00
PmDE -74.0 Calc delta mag 2.61 Calc coord yes
CCDM
Ccdm 10370-0850 RComp Comp B Note1 *
Note2 Discov num A 556 DRAs DDEs
R dRAs Year 1960 Theta 102 Rho 1.3
Obs 23 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7854 M ADS BDS N IDS IDS 10320S0819B
HIC 51966