20300-7739 HDS2931

 
 
20h 29m 58.35s -77 39' 25.6" P.A. 84 sep 0.1 mag 9.57,10.33 Sp F3V dist. 208.77 pc (681.01 l.y.)
 
 
Coord 2000
20300-7739
Discov num
HDS2931
Comp
Coord arcsec 2000
20 29 58.35 -77 39 25.6
Date first
1991
Date last
2018
Obs
5
Pa first
236
Pa last
84
P.A. Now (θ)
84°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.57
Mag sec
10.33
delta mag (ΔM)
0.76
Spectral class
F3V (yellow-white)
Pri motion ra
-044
Sec motion ra
Pri motion dec
+039
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.2
Precise sep
0.111
Constellation
Octans
HIP
101129
Tycho2
9464-00882-1
Gaia DR2
03897223296
HD
193698
CP
CP-78 1311
Distance
208.77
Distance ly
681.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20300-7739 HDS2931 1991 1 236 0.2 9.57 10.33 F3V 202958.35-773925.6
20300-7739 HDS2931 2014 2 249 0.1 9.57 10.33 F3V 202958.35-773925.6
20300-7739 HDS2931 2015 3 67 0.1 9.57 10.33 F3V 202958.35-773925.6
20300-7739 HDS2931 2017 4 77 0.1 9.57 10.33 F3V 202958.35-773925.6

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