17567-2026 DON 871

 
 
17H 56M 39.71S -20 26' 17.9" P.A. 310 SEP 5.4 MAG 11.23,14.50 SP B5
 
 
Coord 2000
17567-2026
Discov num
DON 871
Comp
Coord arcsec 2000
17 56 39.71 -20 26 17.9
Date first
1929
Date last
1999
Obs
4
Pa first
309
Pa last
310
P.A. Now (θ)
310°
Sep first
4.7
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
11.23
Mag sec
14.50
delta mag (ΔM)
3.27
Spectral class
B5 (blue-white)
Pri motion ra
+011
Sec motion ra
-111
Pri motion dec
-017
Sec motion dec
+099
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6258-00905-1
HD
312448
last precise pa
309.6
last precise sep
5.362