10403-4308 DON 428

 
 
10h 40m 18.23s -43 08' 04.8" P.A. 15.00 sep 1.0 mag 11.14,11.76
 
 
Coord 2000
10403-4308
Discov num
DON 428
Comp
Coord arcsec 2000
10 40 18.23 -43 08 04.8
Date first
1930
Date last
2016
Obs
5
Pa first
7
Pa last
15
P.A. Now (θ)
15°
Sep first
0.7
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.14
Mag sec
11.76
delta mag (ΔM)
0.62
Spectral class
Pri motion ra
-041
Sec motion ra
-041
Pri motion dec
+017
Sec motion dec
+017
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
15
Precise sep
0.968
Constellation
Hydra
SAO
222240
Tycho2
7735-00420-1
Gaia DR2
5391213855279072000
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10403-4308 DON 428 1991 3 18 1.0 11.14 11.76 104018.23-430804.8
10403-4308 DON 428 2015 4 15 0.9 11.14 11.76 104018.23-430804.8

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