12556+5706 MLR 553

 
 
12h 55m 37.14s +57 06' 24.1" P.A. 188.00 sep 0.5 mag 9.73,10.16 Sp G5IV-V dist. 71.48 pc (233.17 l.y.)
 
 
Coord 2000
12556+5706
Discov num
MLR 553
Comp
Coord arcsec 2000
12 55 37.14 +57 06 24.1
Date first
1983
Date last
2016
Obs
12
Pa first
160
Pa last
188
P.A. Now (θ)
188°
Sep first
0.6
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.73
Mag sec
10.16
delta mag (ΔM)
0.43
Spectral class
G5IV-V (yellow)
Pri motion ra
+117
Sec motion ra
+117
Pri motion dec
-029
Sec motion dec
-029
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
187.5
Precise sep
0.476
Constellation
Ursa Major
SAO
28566
HIP
63091
Tycho2
3845-00881-1
Gaia DR2
47882679936
HD
112394
BD
BD+57 1400
Distance
71.48
Distance ly
233.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12556+5706 MLR 553 1991 5 159 0.5 9.73 10.16 D 125537.14+570624.1
12556+5706 MLR 553 2007 6 177 0.5 9.73 10.16 D 125537.14+570624.1
12556+5706 MLR 553 2009 7 180 0.5 9.73 10.16 D 125537.14+570624.1
12556+5706 MLR 553 2012 10 183 0.5 9.73 10.16 G5IV-V 125537.14+570624.1
12556+5706 MLR 553 2016 11 188 0.5 9.73 10.16 G5IV-V 125537.14+570624.1

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