11075+2109 HJ 2558

 
 
11h 07m 30.54s +21 09' 02.9" P.A. 268 sep 23 mag 7.40,15.20 Sp A2 dist. 264.55 pc (862.96 l.y.)
 
 
Coord 2000
11075+2109
Discov num
HJ 2558
Comp
Coord arcsec 2000
11 07 30.54 +21 09 02.9
Date first
1830
Date last
2010
Obs
5
Pa first
270
Pa last
268
P.A. Now (θ)
268°
Sep first
12.0
Sep last
23.0
Sep. Now (ρ)
23"
Mag pri
7.40
Mag sec
15.20
delta mag (ΔM)
7.8
Spectral class
A2 (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.9
Precise sep
22.96
Constellation
Leo
SAO
81678
HIP
54377
Tycho2
1436-01223-1
HD
96512
BD
BD+21 2284
Distance
264.55
Distance ly
862.96
last precise pa
267.9
last precise sep
22.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11075+2109 HJ 2558 1998 3 268 22.9 7.20 15.20 A2 D 110730.54+210902.9
11075+2109 HJ 2558 2001 4 268 22.9 7.20 15.20 A2 D 110730.54+210902.9
11075+2109 HJ 2558 2010 5 268 22.9 7.40 15.20 A2 110730.54+210902.9

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