10308-2644 RST 493

 
 
10h 30m 44.98s -26 43' 22.0" P.A. 331 sep 0.8 mag 11.80,12.70
 
 
Coord 2000
10308-2644
Discov num
RST 493
Comp
Coord arcsec 2000
10 30 44.98 -26 43 22.0
Date first
1930
Date last
1944
Obs
3
Pa first
330
Pa last
331
P.A. Now (θ)
331°
Sep first
0.7
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
11.80
Mag sec
12.70
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-023
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331
Precise sep
0.81
Cdsa2 id
RST 493
Constellation
Hydra
Tycho2
6628-01112-1
Ra deg
10.512494444444444
De deg
-26.722777777777775
last precise pa
331
last precise sep
0.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10308-2644 RST 493 1944 3 331 0.8 11.80 12.70 103044.98-264322.0

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