12569+2144 DBR 309
12h 56m 56.10s +21° 44' 12.5" P.A. 315.00 sep 2.9 mag 11.00,14.80
Coord 2000 |
12569+2144 |
|
Discov num |
DBR 309 |
|
Comp |
|
|
Coord arcsec 2000 |
12 56 56.10 +21 44 12.5 |
|
Date first |
2015 |
|
Date last |
2018 |
|
Obs |
3 |
|
Pa first |
314 |
|
Pa last |
314.5 |
|
P.A. Now (θ) |
314.5° |
|
Sep first |
2.9 |
|
Sep last |
2.895 |
|
Sep. Now (ρ) |
2.895" |
|
Mag pri |
11.00 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
3.8 |
|
Spectral class |
|
|
Pri motion ra |
-053 |
|
Sec motion ra |
-053 |
|
Pri motion dec |
-030 |
|
Sec motion dec |
-031 |
|
Notes |
|
|
rPM=0.016 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
Tycho2 |
1455-01200-1 |
|