03315+7152 A 981 (HD 21290)
03h 31m 28.42s +71° 51' 34.2" P.A. 18.00 sep 1.0 mag 7.91,9.90 Sp A0
Coord 2000 |
03315+7152 |
|
Discov num |
A 981 |
|
Comp |
|
|
Coord arcsec 2000 |
03 31 28.42 +71 51 34.2 |
|
Date first |
1905 |
|
Date last |
1991 |
|
Obs |
7 |
|
Pa first |
8 |
|
Pa last |
17.8 |
|
P.A. Now (θ) |
17.8° |
|
Sep first |
0.9 |
|
Sep last |
1.017 |
|
Sep. Now (ρ) |
1.017" |
|
Mag pri |
7.91 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
1.99 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 21290 |
|
Constellation |
Cassiopeia |
|
SAO |
4924 |
|
Tycho2 |
4334-00716-1 |
|
Gaia DR2 |
543173488746938752 |
|
HD |
21290 |
|