20557-6609 HDS 2981 AC
20h 55m 40.79s -66° 08' 59.7" P.A. 172.00 sep 1.3 mag 8.17,14.50 Sp G3V dist. 101.52 pc (331.16 l.y.)
| Coord 2000 |
20557-6609 |
|
Discov num |
HDS2981 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 55 40.79 -66 08 59.7 |
|
| Date first |
2021 |
|
Date last |
2021 |
|
Obs |
1 |
|
| Pa first |
172 |
|
Pa last |
172 |
|
P.A. Now (θ) |
172° |
|
| Sep first |
1.3 |
|
Sep last |
1.315 |
|
Sep. Now (ρ) |
1.315" |
|
| Mag pri |
8.17 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
6.33 |
|
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.
20557-6609 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 198678 |
254899 |
20 55 41 -66 08 60 |
HDS 2981 AB |
2021 |
8 |
243 |
0.1 |
8.17 |
9.00 |
0.83 |
Y |
|
| Show |
|
254899 |
20 55 41 -66 08 60 |
HDS 2981 AC |
2021 |
1 |
172 |
1.3 |
8.17 |
14.50 |
6.33 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pavo |
|
SAO |
254899 |
|
HIP |
103302 |
|
Tycho2 |
9113-00624-1 |
|
| HD |
198678 |
|
CP |
CP-66 3510 |
|
Distance |
101.52 |
|
Distance ly |
331.16 |
|
