00561-0023 HDO  39

 
 
00h 56m 06.45s -00 23' 20.1" P.A. 356 sep 35.2 mag 9.74,12.93 Sp G5
 
 
Coord 2000
00561-0023
Discov num
HDO  39
Comp
Coord arcsec 2000
00 56 06.45 -00 23 20.1
Date first
1954
Date last
2010
Obs
7
Pa first
2
Pa last
356
P.A. Now (θ)
356°
Sep first
31.6
Sep last
35.2
Sep. Now (ρ)
35.2"
Mag pri
9.74
Mag sec
12.93
delta mag (ΔM)
3.19
Spectral class
G5 (yellow)
Pri motion ra
+050
Sec motion ra
+002
Pri motion dec
-040
Sec motion dec
+011
Notes
rPM=1.094
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.6
Precise sep
35.23
Constellation
Cetus
SAO
129037
last precise pa
355.6
last precise sep
35.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00561-0023 HDO 39 1990 2 9 14.7 9.69 12.56 G5 005606.45-002320.1
00561-0023 HDO 39 2001 3 356 34.8 9.69 12.56 G5 005606.45-002320.1
00561-0023 HDO 39 2010 7 356 35.2 9.74 12.93 G5 005606.45-002320.1

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