17226-2049 DON 833

 
 
17h 22m 37.18s -20 49' 13.8" P.A. 256 sep 7.5 mag 9.04,12.50 Sp G8/K0IV
 
 
Coord 2000
17226-2049
Discov num
DON 833
Comp
Coord arcsec 2000
17 22 37.18 -20 49 13.8
Date first
1933
Date last
2000
Obs
6
Pa first
248
Pa last
256
P.A. Now (θ)
256°
Sep first
5.8
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
9.04
Mag sec
12.50
delta mag (ΔM)
3.46
Spectral class
G8/K0IV (yellow)
Pri motion ra
+023
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.8
Precise sep
7.453
Constellation
Ophiuchus
SAO
185334
Tycho2
6246-00170-1
HD
157186
last precise pa
255.8
last precise sep
7.453
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17226-2049 DON 833 1999 4 256 7.5 9.04 12.50 G8/K0IV D 172237.18-204913.8
17226-2049 DON 833 2000 6 256 7.5 9.04 12.50 G8/K0IV D 172237.18-204913.8

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