20557-6609 HDS2981

 
 
20h 55m 40.79s -66 08' 59.7" P.A. 328 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
2017
Obs
3
Pa first
31
Pa last
328
P.A. Now (θ)
328°
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
328.4
Precise sep
0.112
Cdsa2 id
HDS 2981
Constellation
Pavo
HIP
103302
HD
198678
Ra deg
20.927997222222224
De deg
-66.14991666666667
Distance
101.52
Distance ly
331.16
last precise pa
328.4
last precise sep
0.112
 
 
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
20557-6609 HDS2981 2017 3 328 0.1 8.17 9.00 G3V 205540.79-660859.7

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