13050+2139 SLW 819
13h 04m 59.62s +21° 39' 18.3" P.A. 188.00 sep 20.8 mag 17.12,17.30 Sp M1.8+M2.0
| Coord 2000 |
13050+2139 |
|
Discov num |
SLW 819 |
|
Comp |
|
|
Coord arcsec 2000 |
13 04 59.62 +21 39 18.3 |
|
| Date first |
1956 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
187 |
|
Pa last |
187.5 |
|
P.A. Now (θ) |
187.5° |
|
| Sep first |
21.1 |
|
Sep last |
20.833 |
|
Sep. Now (ρ) |
20.833" |
|
| Mag pri |
17.12 |
|
Mag sec |
17.30 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
M1.8+M2.0 (red/red) |
|
| Pri motion ra |
-028 |
|
Sec motion ra |
-029 |
|
| Pri motion dec |
-031 |
|
Sec motion dec |
-027 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.099 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Coma Berenices |
|
Gaia DR2 |
3944181614535793792 |
|
