12174-2103 DON 520 (UV Crv)

 
 
12h 17m 23.98s -21 03' 30.1" P.A. 23 sep 1.9 mag 9.66,11.20 Sp K1V dist. 44.19 pc (144.15 l.y.)
 
 
Coord 2000
12174-2103
Discov num
DON 520
Comp
Coord arcsec 2000
12 17 23.98 -21 03 30.1
Date first
1930
Date last
2001
Obs
11
Pa first
48
Pa last
23
P.A. Now (θ)
23°
Sep first
1.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.66
Mag sec
11.20
delta mag (ΔM)
1.54
Spectral class
K1V (yellow-orange)
Pri motion ra
-115
Sec motion ra
-115
Pri motion dec
-164
Sec motion dec
-164
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.7
Precise sep
1.862
Var name
UV Crv
Constellation
Corvus
SAO
180648
HIP
59914
Tycho2
6108-00927-1
HD
106855
BD
BD-20 3615
Distance
44.19
Distance ly
144.15
last precise pa
22.7
last precise sep
1.862
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12174-2103 DON 520 1991 10 27 1.9 9.66 11.20 K1V 121723.98-210330.1
12174-2103 DON 520 2001 11 23 1.9 9.66 11.20 K1V 121723.98-210330.1

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