12533-1831 RST2821

 
 
12h 53m 15.04s -18 31' 19.5" P.A. 331 sep 1.4 mag 8.40,12.90 Sp F7V dist. 95.24 pc (310.67 l.y.)
 
 
Coord 2000
12533-1831
Discov num
RST2821
Comp
Coord arcsec 2000
12 53 15.04 -18 31 19.5
Date first
1935
Date last
1987
Obs
7
Pa first
342
Pa last
331
P.A. Now (θ)
331°
Sep first
1.8
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
8.40
Mag sec
12.90
delta mag (ΔM)
4.5
Spectral class
F7V (yellow-white)
Pri motion ra
+294
Sec motion ra
Pri motion dec
-798
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331
Precise sep
1.36
Cdsa2 id
RST 2821
Constellation
Corvus
SAO
157573
HIP
62882
Tycho2
6114-01018-1
HD
111980
BD
BD-17 3723
Ra deg
12.887511111111111
De deg
-18.52208333333333
Distance
95.24
Distance ly
310.67
last precise pa
331
last precise sep
1.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12533-1831 RST2821 1987 7 331 1.4 8.40 12.90 F7V N 125314.87-183113.0

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