12431-7247 HJ 4540

 
 
12h 43m 08.71s -72 47' 22.5" P.A. 166 sep 11.6 mag 8.68,9.00 Sp G0
 
 
Coord 2000
12431-7247
Discov num
HJ 4540
Comp
Coord arcsec 2000
12 43 08.71 -72 47 22.5
Date first
1835
Date last
2015
Obs
20
Pa first
167
Pa last
166
P.A. Now (θ)
166°
Sep first
17.0
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
8.68
Mag sec
9.00
delta mag (ΔM)
0.32
Spectral class
G0 (yellow)
Pri motion ra
+014
Sec motion ra
+018
Pri motion dec
-072
Sec motion dec
-078
Notes
rPM=0.09 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.5
Precise sep
11.61
Constellation
Musca
Tycho2
9236-02908-1
Gaia DR2
5841850658735765376
HD
110407
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12431-7247 HJ 4540 2000 17 166 11.6 8.68 9.00 G0 D 124308.71-724722.5
12431-7247 HJ 4540 2012 19 167 12.0 8.68 9.00 G0 D 124308.71-724722.5
12431-7247 HJ 4540 2015 20 166 11.6 8.68 9.00 G0 124308.71-724722.5

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