12504+3847 HU 1139

 
 
12h 50m 22.17s +38 46' 45.4" P.A. 285 sep 4.8 mag 9.82,13.50 Sp G8III
 
 
Coord 2000
12504+3847
Discov num
HU 1139
Comp
Coord arcsec 2000
12 50 22.17 +38 46 45.4
Date first
1905
Date last
2002
Obs
7
Pa first
286
Pa last
285
P.A. Now (θ)
285°
Sep first
4.8
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
9.82
Mag sec
13.50
delta mag (ΔM)
3.68
Spectral class
G8III (yellow)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.2
Precise sep
4.812
Constellation
Canes Venatici
SAO
63220
Tycho2
3021-02623-1
last precise pa
285.2
last precise sep
4.812
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12504+3847 HU 1139 1998 6 285 4.4 9.82 13.50 D 125022.17+384645.4
12504+3847 HU 1139 2002 7 285 4.8 9.82 13.50 D 125022.17+384645.4

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