12409-2743 B 231
12h 40m 51.47s -27° 42' 47.6" P.A. 82.00 sep 4.4 mag 7.57,13.70 Sp B9V dist. 215.05 pc (701.49 l.y.)
Coord 2000 |
12409-2743 |
|
Discov num |
B 231 |
|
Comp |
|
|
Coord arcsec 2000 |
12 40 51.47 -27 42 47.6 |
|
Date first |
1926 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
82 |
|
Pa last |
81.9 |
|
P.A. Now (θ) |
81.9° |
|
Sep first |
4.3 |
|
Sep last |
4.363 |
|
Sep. Now (ρ) |
4.363" |
|
Mag pri |
7.57 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
6.13 |
|
Spectral class |
B9V (blue-white) |
|
Pri motion ra |
-022 |
|
Sec motion ra |
|
|
Pri motion dec |
+004 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hydra |
|
SAO |
181011 |
|
HIP |
61884 |
|
Tycho2 |
6691-01313-1 |
|
Gaia DR2 |
3495988209397233664 |
|
HD |
110225 |
|
GC |
17248 |
|
CD |
CD-27 8810 |
|
CP |
CP-27 4545 |
|
Distance |
215.05 |
|
Distance ly |
701.49 |
|