20479-3132 B 995 (HD 197931)
20h 47m 52.60s -31° 32' 00.2" P.A. 288.00 sep 0.5 mag 9.90,10.50 Sp F0V
| Coord 2000 |
20479-3132 |
|
Discov num |
B 995 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 52.60 -31 32 00.2 |
|
| Date first |
1927 |
|
Date last |
1984 |
|
Obs |
6 |
|
| Pa first |
309 |
|
Pa last |
288.4 |
|
P.A. Now (θ) |
288.4° |
|
| Sep first |
0.4 |
|
Sep last |
0.5 |
|
Sep. Now (ρ) |
0.5" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
F0V (yellow-white) |
|
| Pri motion ra |
-024 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197931 |
|
Constellation |
Microscopium |
|
SAO |
212441 |
|
Tycho2 |
7457-00837-1 |
|
| Gaia DR2 |
6793999961413449216 |
|
HD |
197931 |
|
