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
rPM=1.132
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.6
Precise sep
5.362
Constellation
Sagittarius
Tycho2
6258-00905-1
HD
312448
last precise pa
309.6
last precise sep
5.362
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17567-2026 DON 871 1998 2 310 5.3 11.23 14.50 D 175639.71-202617.9
17567-2026 DON 871 1999 3 310 5.4 11.23 14.50 D 175639.71-202617.9

If you need more information about this double, apply for a data request form to the WDS.