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
 
 
Precise pa
176.5
Precise sep
0.6
Constellation
Scorpius
SAO
227853
Tycho2
7887-00456-1
HD
156723
last precise pa
176.5
last precise sep
0.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17212-4022 RST1952 1945 2 177 0.6 10.00 11.70 A2V 172109.75-402228.1

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