20071-4256 DON 979

 
 
20h 07m 08.80s -42 55' 55.7" P.A. 258 sep 0.9 mag 11.31,11.41
 
 
Coord 2000
20071-4256
Discov num
DON 979
Comp
Coord arcsec 2000
20 07 08.80 -42 55 55.7
Date first
1932
Date last
1991
Obs
4
Pa first
262
Pa last
258
P.A. Now (θ)
258°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.31
Mag sec
11.41
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+022
Sec motion ra
+022
Pri motion dec
-019
Sec motion dec
-019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.3
Precise sep
0.891
Constellation
Sagittarius
Tycho2
7955-02731-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20071-4256 DON 979 1991 4 258 0.9 11.31 11.41 200708.80-425555.7

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