10427-3019 BRT2981

 
 
10H 42M 43.92S -30 19' 46.3" P.A. 21 SEP 4.2 MAG 12.72,12.72
 
 
Coord 2000
10427-3019
Discov num
BRT2981
Comp
Coord arcsec 2000
10 42 43.92 -30 19 46.3
Date first
1913
Date last
2010
Obs
4
Pa first
15
Pa last
21
P.A. Now (θ)
21°
Sep first
4.6
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
12.72
Mag sec
12.72
delta mag (ΔM)
0
Spectral class
Pri motion ra
+013
Sec motion ra
+060
Pri motion dec
-066
Sec motion dec
+049
Notes
B (Blue magnitudes)
rPM=1.604
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hydra
last precise pa
21.4
last precise sep
4.17