17231-2353 DON 835

 
 
17h 23m 07.58s -23 53' 27.8" P.A. 194 sep 1.3 mag 10.72,11.21 Sp G5/6V
 
 
Coord 2000
17231-2353
Discov num
DON 835
Comp
Coord arcsec 2000
17 23 07.58 -23 53 27.8
Date first
1932
Date last
1991
Obs
3
Pa first
187
Pa last
194
P.A. Now (θ)
194°
Sep first
1.1
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.72
Mag sec
11.21
delta mag (ΔM)
0.49
Spectral class
G5/6V (yellow)
Pri motion ra
-047
Sec motion ra
-047
Pri motion dec
-013
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.8
Precise sep
1.297
Constellation
Ophiuchus
SAO
185345
Tycho2
6825-00565-1
HD
157232
last precise pa
193.8
last precise sep
1.297
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17231-2353 DON 835 1991 3 194 1.3 10.72 11.21 G5/6V 172307.58-235327.8

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