09308+4817 LDS3900

 
 
09h 30m 46.71s +48 16' 24.5" P.A. 174 sep 127.7 mag 11.30,17.90 Sp sdO dist. 162.6 pc (530.4 l.y.)
 
 
Coord 2000
09308+4817
Discov num
LDS3900
Comp
Coord arcsec 2000
09 30 46.71 +48 16 24.5
Date first
1960
Date last
2010
Obs
3
Pa first
175
Pa last
174
P.A. Now (θ)
174°
Sep first
127.0
Sep last
127.7
Sep. Now (ρ)
127.7"
Mag pri
11.30
Mag sec
17.90
delta mag (ΔM)
6.6
Spectral class
sdO
Pri motion ra
+132
Sec motion ra
Pri motion dec
-090
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174.1
Precise sep
127.68
Cdsa2 id
LDS 3900
Constellation
Ursa Major
HIP
46659
Tycho2
3429-01180-1
BD
BD+48 1777
Ra deg
9.512975
De deg
48.273472222222225
Distance
162.6
Distance ly
530.4
last precise pa
174.1
last precise sep
127.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09308+4817 LDS3900 1998 2 174 127.6 11.30 17.90 D 093046.71+481624.5
09308+4817 LDS3900 2010 3 174 127.7 11.30 17.90 sdO 093046.71+481624.5

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