21547+7307 HJ 3081
21h 54m 41.92s +73° 07' 09.1" P.A. 315.00 sep 32.2 mag 9.85,11.07
Coord 2000 |
21547+7307 |
|
Discov num |
HJ 3081 |
|
Comp |
|
|
Coord arcsec 2000 |
21 54 41.92 +73 07 09.1 |
|
Date first |
1831 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
318 |
|
Pa last |
315 |
|
P.A. Now (θ) |
315° |
|
Sep first |
22.0 |
|
Sep last |
32.216 |
|
Sep. Now (ρ) |
32.216" |
|
Mag pri |
9.85 |
|
Mag sec |
11.07 |
|
delta mag (ΔM) |
1.22 |
|
Spectral class |
|
|
Pri motion ra |
-002 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=0.707
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Tycho2 |
4470-00136-1 |
|
Gaia DR2 |
2272910406875901440 |
|