15256+0558 HJ 2780

 
 
15h 25m 37.70s +05 57' 58.8" P.A. 156 sep 30.9 mag 9.39,12.20 Sp A0
 
 
Coord 2000
15256+0558
Discov num
HJ 2780
Comp
Coord arcsec 2000
15 25 37.70 +05 57 58.8
Date first
1830
Date last
2010
Obs
7
Pa first
159
Pa last
156
P.A. Now (θ)
156°
Sep first
25.0
Sep last
30.9
Sep. Now (ρ)
30.9"
Mag pri
9.39
Mag sec
12.20
delta mag (ΔM)
2.81
Spectral class
A0 (white)
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
+008
Sec motion dec
+010
Notes
rPM=0.149 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.7
Precise sep
30.92
Constellation
Serpens
Tycho2
0349-00572-1
HD
137393
last precise pa
155.7
last precise sep
30.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15256+0558 HJ 2780 2000 5 156 30.9 9.39 14.20 A0 D 152537.70+055758.8
15256+0558 HJ 2780 2010 7 156 30.9 9.39 12.20 A0 152537.70+055758.8

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