01393+3901 HJ 1087

 
 
01h 39m 17.37s +39 00' 58.7" P.A. 75 sep 13.1 mag 9.73,10.98 Sp A2
 
 
Coord 2000
01393+3901
Discov num
HJ 1087
Comp
Coord arcsec 2000
01 39 17.37 +39 00 58.7
Date first
1828
Date last
2015
Obs
17
Pa first
77
Pa last
75
P.A. Now (θ)
75°
Sep first
7.0
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
9.73
Mag sec
10.98
delta mag (ΔM)
1.25
Spectral class
A2 (white)
Pri motion ra
-017
Sec motion ra
+000
Pri motion dec
-014
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
54873
Tycho2
2814-00730-1
last precise pa
75
last precise sep
13.077
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01393+3901 HJ 1087 1998 9 75 12.9 9.73 10.98 A2 D 013917.37+390058.7
01393+3901 HJ 1087 2010 11 75 12.8 9.73 10.98 A2 D 013917.37+390058.7
01393+3901 HJ 1087 2011 14 74 12.9 9.73 10.98 A2 D 013917.37+390058.7
01393+3901 HJ 1087 2014 15 75 13.3 9.73 10.98 A2 013917.37+390058.7
01393+3901 HJ 1087 2015 16 75 13.1 9.73 10.98 A2 013917.37+390058.7

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