10221-3019 HJ 4309

 
 
10h 22m 05.91s -30 19' 32.7" P.A. 186 sep 19.3 mag 11.50,11.72
 
 
Coord 2000
10221-3019
Discov num
HJ 4309
Comp
Coord arcsec 2000
10 22 05.91 -30 19 32.7
Date first
1835
Date last
2017
Obs
9
Pa first
230
Pa last
186
P.A. Now (θ)
186°
Sep first
15.0
Sep last
19.3
Sep. Now (ρ)
19.3"
Mag pri
11.50
Mag sec
11.72
delta mag (ΔM)
0.22
Spectral class
Pri motion ra
-075
Sec motion ra
-028
Pri motion dec
+044
Sec motion dec
+003
Notes
rPM=0.717
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.1
Precise sep
19.3
Constellation
Antlia
Tycho2
7184-00756-1
last precise pa
186.1
last precise sep
19.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10221-3019 HJ 4309 1999 6 190 19.2 11.50 11.55 D 102205.91-301932.7
10221-3019 HJ 4309 2010 9 187 19.5 11.50 11.72 102205.91-301932.7
10221-3019 HJ 4309 2017 9 186 19.3 11.50 11.72 102205.91-301932.7

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