01550+0012 A  1919

 
 
01h 55m 00.02s +00 12' 20.6" P.A. 293 sep 2.3 mag 9.95,10.61 Sp F8
 
 
Coord 2000
01550+0012
Discov num
A  1919
Comp
Coord arcsec 2000
01 55 00.02 +00 12 20.6
Date first
1908
Date last
2012
Obs
21
Pa first
290
Pa last
293
P.A. Now (θ)
293°
Sep first
2.0
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
9.95
Mag sec
10.61
delta mag (ΔM)
0.66
Spectral class
F8 (yellow-white)
Pri motion ra
+003
Sec motion ra
-002
Pri motion dec
-007
Sec motion dec
-007
Notes
rPM=0.657
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
293.1
Precise sep
2.31
Constellation
Cetus
Tycho2
0030-00396-1
HD
11708
last precise pa
293.1
last precise sep
2.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01550+0012 A 1919 1999 19 292 2.3 9.95 10.61 F8 015500.02+001220.6
01550+0012 A 1919 2012 21 293 2.2 9.95 10.61 F8 015500.02+001220.6

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