02277+7147 MLR 305Aa,Ab

 
 
02H 27M 40.61S +71 47' 09.6" P.A. 251 SEP 0.2 MAG 9.50,10.20 SP A3
 
 
Coord 2000
02277+7147
Discov num
MLR 305
Comp
Aa,Ab
Coord arcsec 2000
02 27 40.61 +71 47 09.6
Date first
1971
Date last
1988
Obs
4
Pa first
264
Pa last
251
P.A. Now (θ)
251°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.50
Mag sec
10.20
delta mag (ΔM)
0.7
Spectral class
A3 (white)
Pri motion ra
+023
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02277+7147 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 4650 02277+7147 MLR 305 Aa,Ab 1971 1988 4 251 0.2 9.50 10.20 0.70 <===
Show 4650 02277+7147 HJ 1116 AB 1828 2015 8 132 4.4 9.02 12.90 3.88
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
4650
Tycho2
4320-01878-1
HD
14848
last precise pa
251.3
last precise sep
0.24