01577+3739 COU1218

 
 
01h 57m 45.53s +37 39' 24.5" P.A. 354 sep 0.4 mag 9.20,9.50 Sp K0III
 
 
Coord 2000
01577+3739
Discov num
COU1218
Comp
Coord arcsec 2000
01 57 45.53 +37 39 24.5
Date first
1975
Date last
2008
Obs
3
Pa first
342
Pa last
354
P.A. Now (θ)
354°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.20
Mag sec
9.50
delta mag (ΔM)
0.3
Spectral class
K0III (yellow-orange)
Pri motion ra
+037
Sec motion ra
Pri motion dec
-045
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.7
Precise sep
0.392
Constellation
Andromeda
Tycho2
2816-00423-1
last precise pa
353.7
last precise sep
0.392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01577+3739 COU1218 1989 2 343 0.3 9.20 9.50 015708.57+373900.0
01577+3739 COU1218 2008 3 354 0.4 9.20 9.50 015745.53+373924.5

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