17212-4022 RST1952

 
 
17H 21M 09.75S -40 22' 28.1" P.A. 177 SEP 0.6 MAG 10.00,11.70 SP A2V
 
 
Coord 2000
17212-4022
Discov num
RST1952
Comp
Coord arcsec 2000
17 21 09.75 -40 22 28.1
Date first
1935
Date last
1945
Obs
2
Pa first
171
Pa last
177
P.A. Now (θ)
177°
Sep first
0.7
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
10.00
Mag sec
11.70
delta mag (ΔM)
1.7
Spectral class
A2V (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
227853
Tycho2
7887-00456-1
HD
156723
last precise pa
176.5
last precise sep
0.6