02288-4407 B 2557
02h 28m 50.49s -44° 06' 55.4" P.A. 265.00 sep 12.2 mag 9.33,13.50 Sp M1/2III: dist. 840.34 pc (2741.19 l.y.)
| Coord 2000 |
02288-4407 |
|
Discov num |
B 2557 |
|
Comp |
|
|
Coord arcsec 2000 |
02 28 50.49 -44 06 55.4 |
|
| Date first |
1932 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
270 |
|
Pa last |
264.7 |
|
P.A. Now (θ) |
264.7° |
|
| Sep first |
8.0 |
|
Sep last |
12.21 |
|
Sep. Now (ρ) |
12.21" |
|
| Mag pri |
9.33 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
4.17 |
|
Spectral class |
M1/2III: (red) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Eridanus |
|
SAO |
215915 |
|
HIP |
11551 |
|
Tycho2 |
7558-00471-1 |
|
| Gaia DR2 |
4946598432775876992 |
|
HD |
15567 |
|
CD |
CD-44 745 |
|
CP |
CP-44 279 |
|
| Distance |
840.34 |
|
Distance ly |
2741.19 |
|
