12207+2939 SDK 54
12h 20m 39.45s +29° 38' 51.9" P.A. 316.00 sep 13.6 mag 15.73,17.10 Sp M
Coord 2000 |
12207+2939 |
|
Discov num |
SDK 54 |
|
Comp |
|
|
Coord arcsec 2000 |
12 20 39.45 +29 38 51.9 |
|
Date first |
1955 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
317 |
|
Pa last |
316.3 |
|
P.A. Now (θ) |
316.3° |
|
Sep first |
13.6 |
|
Sep last |
13.564 |
|
Sep. Now (ρ) |
13.564" |
|
Mag pri |
15.73 |
|
Mag sec |
17.10 |
|
delta mag (ΔM) |
1.37 |
|
Spectral class |
M (red) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-022 |
|
Notes |
|
|
rPM=0.119 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
Gaia DR2 |
4013423191791465728 |
|