20391+3103 J 1238
20h 39m 13.29s +31° 03' 02.9" P.A. 18.00 sep 3.6 mag 11.30,12.40 Sp G5
| Coord 2000 |
20391+3103 |
|
Discov num |
J 1238 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 13.29 +31 03 02.9 |
|
| Date first |
1900 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
16 |
|
Pa last |
17.8 |
|
P.A. Now (θ) |
17.8° |
|
| Sep first |
3.4 |
|
Sep last |
3.61 |
|
Sep. Now (ρ) |
3.61" |
|
| Mag pri |
11.30 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-046 |
|
Sec motion dec |
-011 |
|
| Notes |
N
(See Notes) |
|
rPM=0.779
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1862402827213463424 |
|
