21097+4230 GRV 428
21h 09m 46.64s +42° 30' 33.1" P.A. 142.00 sep 40.9 mag 12.86,12.95
Coord 2000 |
21097+4230 |
|
Discov num |
GRV 428 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 46.64 +42 30 33.1 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
142 |
|
Pa last |
141.6 |
|
P.A. Now (θ) |
141.6° |
|
Sep first |
40.9 |
|
Sep last |
40.877 |
|
Sep. Now (ρ) |
40.877" |
|
Mag pri |
12.86 |
|
Mag sec |
12.95 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-011 |
|
Sec motion dec |
-014 |
|
Notes |
|
|
rPM=0.296 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1969840265894507648 |
|