10428-4257 DON 431

 
 
10h 42m 50.68s -42 57' 31.8" P.A. 328.00 sep 3.9 mag 9.42,15.40 Sp G5
 
 
Coord 2000
10428-4257
Discov num
DON 431
Comp
Coord arcsec 2000
10 42 50.68 -42 57 31.8
Date first
1930
Date last
2015
Obs
4
Pa first
323
Pa last
328
P.A. Now (θ)
328°
Sep first
3.5
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
9.42
Mag sec
15.40
delta mag (ΔM)
5.98
Spectral class
G5 (yellow)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328
Precise sep
3.906
Constellation
Hydra
Tycho2
7731-00897-1
Gaia DR2
5391255469220953216
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10428-4257 DON 431 1948 3 325 3.4 9.42 15.40 G5 104250.68-425731.8
10428-4257 DON 431 2015 4 328 3.9 9.42 15.40 G5 104250.68-425731.8

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