02216+7212 HJ 2122
02h 21m 44.24s +72° 11' 41.9" P.A. 139.00 sep 31.3 mag 10.38,10.41
| Coord 2000 |
02216+7212 |
|
Discov num |
HJ 2122 |
|
Comp |
|
|
Coord arcsec 2000 |
02 21 44.24 +72 11 41.9 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
19 |
|
| Pa first |
139 |
|
Pa last |
139.4 |
|
P.A. Now (θ) |
139.4° |
|
| Sep first |
30.0 |
|
Sep last |
31.269 |
|
Sep. Now (ρ) |
31.269" |
|
| Mag pri |
10.38 |
|
Mag sec |
10.41 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
|
|
| Pri motion ra |
+024 |
|
Sec motion ra |
+025 |
|
| Pri motion dec |
-024 |
|
Sec motion dec |
-023 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.042 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cassiopeia |
|
Tycho2 |
4319-01415-1 |
|
Gaia DR2 |
546234219880801024 |
|
