20546-4938 TOK 680 AC
20h 54m 36.45s -49° 38' 00.3" P.A. 333.00 sep 7.0 mag 8.07,12.18 Sp G8V
| Coord 2000 |
20546-4938 |
|
Discov num |
TOK 680 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 54 36.45 -49 38 00.3 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
333 |
|
Pa last |
332.9 |
|
P.A. Now (θ) |
332.9° |
|
| Sep first |
7.1 |
|
Sep last |
7.041 |
|
Sep. Now (ρ) |
7.041" |
|
| Mag pri |
8.07 |
|
Mag sec |
12.18 |
|
delta mag (ΔM) |
4.11 |
|
Spectral class |
G8V (yellow) |
|
| Pri motion ra |
+091 |
|
Sec motion ra |
|
|
| Pri motion dec |
+012 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
20546-4938 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 198777 |
|
20 54 36 -49 38 00 |
TOK 680 AB |
1999 |
1 |
271 |
5.3 |
8.07 |
10.16 |
2.09 |
|
|
| Show |
|
|
20 54 36 -49 38 00 |
TOK 680 AC |
2016 |
4 |
333 |
7.0 |
8.07 |
12.18 |
4.11 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Indus |
|
Gaia DR2 |
6478238849190383104 |
|