12019-2811 RST1633

 
 
12h 01m 51.74s -28 11' 15.0" P.A. 298 sep 3.4 mag 10.05,12.20 Sp K0(III)
 
 
Coord 2000
12019-2811
Discov num
RST1633
Comp
Coord arcsec 2000
12 01 51.74 -28 11 15.0
Date first
1912
Date last
1944
Obs
4
Pa first
288
Pa last
298
P.A. Now (θ)
298°
Sep first
4.7
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
10.05
Mag sec
12.20
delta mag (ΔM)
2.15
Spectral class
K0(III) (yellow-orange)
Pri motion ra
-003
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298
Precise sep
3.35
Constellation
Hydra
SAO
180392
Tycho2
6679-00599-1
HD
104489
last precise pa
298
last precise sep
3.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12019-2811 RST1633 1944 4 298 3.4 10.05 12.20 K0(III) 120151.74-281115.0

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