17243-6214 B  1855

 
 
17h 24m 20.54s -62 13' 41.4" P.A. 185 sep 0.9 mag 9.64,10.02 Sp A2V
 
 
Coord 2000
17243-6214
Discov num
B  1855
Comp
Coord arcsec 2000
17 24 20.54 -62 13 41.4
Date first
1930
Date last
1991
Obs
3
Pa first
182
Pa last
185
P.A. Now (θ)
185°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.64
Mag sec
10.02
delta mag (ΔM)
0.38
Spectral class
A2V (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.4
Precise sep
0.851
Constellation
Ara
SAO
253905
Tycho2
9056-03784-1
HD
156907
last precise pa
185.4
last precise sep
0.851
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17243-6214 B 1855 1991 3 185 0.9 9.64 10.02 A2V 172420.54-621341.4

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