02157+6740 ENG  10AB (V989 Cas)

 
 
02H 15M 42.55S +67 40' 20.3" P.A. 324 SEP 27.5 MAG 7.30,9.36 SP K2V+F2 DIST. 18.58 PC (60.61 L.Y.)
 
 
Coord 2000
02157+6740
Discov num
ENG  10
Comp
AB
Coord arcsec 2000
02 15 42.55 +67 40 20.3
Date first
1875
Date last
2016
Obs
33
Pa first
109
Pa last
324
P.A. Now (θ)
324°
Sep first
62.4
Sep last
27.5
Sep. Now (ρ)
27.5"
Mag pri
7.30
Mag sec
9.36
delta mag (ΔM)
2.06
Spectral class
K2V+F2 (yellow-orange/yellow-white)
Pri motion ra
+520
Sec motion ra
-002
Pri motion dec
-304
Sec motion dec
-003
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1
This double is not physical.
 
 
02157+6740 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show V989 Cas 12190 02157+6740 ENG 10 AB 1875 2016 33 324 27.5 7.30 9.36 2.06 <===
Show 12192 02157+6740 SHY 10 BC 1991 1999 3 177 999.9 9.36 11.10 1.74
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V989 Cas
Constellation
Cassiopeia
SAO
12190
HIP
10531
Tycho2
4311-01205-1
HD
13579
GL
Gl 90
BD
BD+67 191
Distance
18.58
Distance ly
60.61
last precise pa
324.4
last precise sep
27.51