21220+5631 CRB 210
21h 21m 59.28s +56° 30' 41.7" P.A. 341.00 sep 12.9 mag 12.33,16.70
| Coord 2000 |
21220+5631 |
|
Discov num |
CRB 210 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 59.28 +56 30 41.7 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
341 |
|
Pa last |
340.8 |
|
P.A. Now (θ) |
340.8° |
|
| Sep first |
12.9 |
|
Sep last |
12.873 |
|
Sep. Now (ρ) |
12.873" |
|
| Mag pri |
12.33 |
|
Mag sec |
16.70 |
|
delta mag (ΔM) |
4.37 |
|
Spectral class |
|
|
| Pri motion ra |
+089 |
|
Sec motion ra |
+089 |
|
| Pri motion dec |
-079 |
|
Sec motion dec |
-077 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.017 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
3974-01100-1 |
|
Gaia DR2 |
2178693736541051648 |
|
