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
Cdsa2 id
RST 1633
Constellation
Hydra
SAO
180392
Tycho2
6679-00599-1
HD
104489
Ra deg
12.03103888888889
De deg
-28.1875
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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