20078+3055 COU 31
20h 07m 52.21s +30° 54' 11.9" P.A. 325.00 sep 11.1 mag 10.80,13.30 Sp M4
| Coord 2000 |
20078+3055 |
|
Discov num |
COU 31 |
|
Comp |
|
|
Coord arcsec 2000 |
20 07 52.21 +30 54 11.9 |
|
| Date first |
1902 |
|
Date last |
2020 |
|
Obs |
13 |
|
| Pa first |
323 |
|
Pa last |
325.1 |
|
P.A. Now (θ) |
325.1° |
|
| Sep first |
11.4 |
|
Sep last |
11.12 |
|
Sep. Now (ρ) |
11.12" |
|
| Mag pri |
10.80 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
M4 (red) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.196 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2671-02485-1 |
|
Gaia DR2 |
2029960427834436736 |
|
