12420-3330 I 1557 AB
12h 41m 58.17s -33° 30' 20.9" P.A. 94.00 sep 3.2 mag 9.30,13.70 Sp A2
Coord 2000 |
12420-3330 |
|
Discov num |
I 1557 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 41 58.17 -33 30 20.9 |
|
Date first |
1927 |
|
Date last |
2016 |
|
Obs |
5 |
|
Pa first |
95 |
|
Pa last |
94.2 |
|
P.A. Now (θ) |
94.2° |
|
Sep first |
3.0 |
|
Sep last |
3.215 |
|
Sep. Now (ρ) |
3.215" |
|
Mag pri |
9.30 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
4.4 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-030 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
|
Sec motion dec |
|
|
Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hydra |
|
SAO |
203721 |
|
Tycho2 |
7251-01278-1 |
|
HD |
110386 |
|