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
 
 
Precise pa
21.4
Precise sep
4.17
Cdsa2 id
BRT 2981
Constellation
Hydra
Ra deg
10.7122
De deg
-30.329527777777777
last precise pa
21.4
last precise sep
4.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10427-3019 BRT2981 1999 2 22 4.1 12.72 12.72 DB 104243.71-301944.5
10427-3019 BRT2981 2010 4 21 4.2 12.72 12.72 B 104243.92-301946.3

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