20557-6609 HDS2981

 
 
20h 55m 40.79s -66 08' 59.7" P.A. 176 sep 0.1 mag 8.17,9.00 Sp G3V dist. 101.52 pc (331.16 l.y.)
 
 
Coord 2000
20557-6609
Discov num
HDS2981
Comp
Coord arcsec 2000
20 55 40.79 -66 08 59.7
Date first
1991
Date last
2014
Obs
2
Pa first
31
Pa last
176
P.A. Now (θ)
176°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
8.17
Mag sec
9.00
delta mag (ΔM)
0.83
Spectral class
G3V (yellow)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.5
Precise sep
0.13
Constellation
Pavo
SAO
254899
HIP
103302
Tycho2
9113-00624-1
HD
198678
CP
CP-66 3510
Distance
101.52
Distance ly
331.16
last precise pa
175.5
last precise sep
0.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20557-6609 HDS2981 1991 1 31 0.1 8.17 9.00 G3V 205540.79-660859.7
20557-6609 HDS2981 2014 2 176 0.1 8.17 9.00 G3V 205540.79-660859.7

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