20123-3956 WG 251
20h 12m 18.78s -39° 55' 42.3" P.A. 306.00 sep 9.6 mag 11.40,11.90
| Coord 2000 |
20123-3956 |
|
Discov num |
WG 251 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 18.78 -39 55 42.3 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
306 |
|
Pa last |
306.2 |
|
P.A. Now (θ) |
306.2° |
|
| Sep first |
8.9 |
|
Sep last |
9.596 |
|
Sep. Now (ρ) |
9.596" |
|
| Mag pri |
11.40 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
rPM=0.793
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
6692743530430457088 |
|
