20139-5800 B 471 (HD 191646)
20h 13m 53.64s -57° 59' 43.7" P.A. 255.00 sep 1.0 mag 10.40,10.37 Sp F5V
| Coord 2000 |
20139-5800 |
|
Discov num |
B 471 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 53.64 -57 59 43.7 |
|
| Date first |
1927 |
|
Date last |
2019 |
|
Obs |
5 |
|
| Pa first |
251 |
|
Pa last |
254.8 |
|
P.A. Now (θ) |
254.8° |
|
| Sep first |
0.9 |
|
Sep last |
1.009 |
|
Sep. Now (ρ) |
1.009" |
|
| Mag pri |
10.40 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+035 |
|
Sec motion ra |
+035 |
|
| Pri motion dec |
-030 |
|
Sec motion dec |
-030 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 191646 |
|
Constellation |
Pavo |
|
SAO |
246490 |
|
Tycho2 |
8785-00886-1 |
|
| Gaia DR2 |
6468581460606279424 |
|
HD |
191646 |
|