00251+4803 SOZ 4 AB,D (HD 2057)
00h 25m 08.74s +48° 02' 51.0" P.A. 259.00 sep 13.8 mag 6.38,12.50 Sp F8+M5 dist. 43.82 pc (142.94 l.y.)
Coord 2000 |
00251+4803 |
|
Discov num |
SOZ 4 |
|
Comp |
AB,D |
|
Coord arcsec 2000 |
00 25 08.74 +48 02 51.0 |
|
Date first |
2015 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
259 |
|
Pa last |
258.6 |
|
P.A. Now (θ) |
258.6° |
|
Sep first |
13.8 |
|
Sep last |
13.826 |
|
Sep. Now (ρ) |
13.826" |
|
Mag pri |
6.38 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
6.12 |
|
Spectral class |
F8+M5 (yellow-white/red) |
|
Pri motion ra |
+274 |
|
Sec motion ra |
+283 |
|
Pri motion dec |
+011 |
|
Sec motion dec |
-003 |
|
Notes |
N
V
K
(See Notes, Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.059 (< 0.3, Physical double)
This double is physical.
00251+4803 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
36347 |
00 25 09 +48 02 51 |
HDS 56 AB |
2013 |
17 |
273 |
0.3 |
7.72 |
10.63 |
2.91 |
Y |
|
Show |
|
36347 |
00 25 09 +48 02 51 |
CRZ 2 AC |
2015 |
2 |
193 |
121.2 |
7.53 |
14.70 |
7.17 |
|
|
Show |
HD 2057 |
36347 |
00 25 09 +48 02 51 |
SOZ 4 AB,D |
2015 |
2 |
259 |
13.8 |
6.38 |
12.50 |
6.12 |
|
<=== |
Show |
|
|
00 25 04 +47 59 19 |
RED 14 Ca,Cb |
2005 |
2 |
233 |
0.3 |
16.23 |
16.40 |
0.17 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 2057 |
|
Constellation |
Cassiopeia |
|
SAO |
36347 |
|
HIP |
1987 |
|
Tycho2 |
3252-00597-1 |
|
Gaia DR2 |
392562179817077120 |
|
HD |
2057 |
|
BD |
BD+47 88 |
|
Distance |
43.82 |
|
Distance ly |
142.94 |
|