19021-4151 DON 939

 
 
19h 02m 07.90s -41 51' 13.0" P.A. 89 sep 1.2 mag 10.12,10.86
 
 
Coord 2000
19021-4151
Discov num
DON 939
Comp
Coord arcsec 2000
19 02 07.90 -41 51 13.0
Date first
1931
Date last
2015
Obs
4
Pa first
63
Pa last
89
P.A. Now (θ)
89°
Sep first
0.7
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.12
Mag sec
10.86
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-035
Sec motion dec
-035
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
88.5
Precise sep
1.246
Constellation
Corona Austrina
SAO
229446
Tycho2
7925-02773-1
Gaia DR2
07444291328
HD
176425
HR
7177
DM
CD-4213839
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19021-4151 DON 939 1991 3 86 1.1 10.12 10.86 190207.90-415113.0
19021-4151 DON 939 2015 4 89 1.2 10.12 10.86 190207.90-415113.0

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