15494-7937 HJ 4787

 
 
15h 49m 22.18s -79 37' 24.7" P.A. 302 sep 10.3 mag 9.27,10.15 Sp G4V+G4V dist. 102.99 pc (335.95 l.y.)
 
 
Coord 2000
15494-7937
Discov num
HJ 4787
Comp
Coord arcsec 2000
15 49 22.18 -79 37 24.7
Date first
1835
Date last
2004
Obs
20
Pa first
305
Pa last
302
P.A. Now (θ)
302°
Sep first
12.5
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
9.27
Mag sec
10.15
delta mag (ΔM)
0.88
Spectral class
G4V+G4V (yellow/yellow)
Pri motion ra
-024
Sec motion ra
-031
Pri motion dec
-053
Sec motion dec
-040
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.254 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.3
Precise sep
10.312
Constellation
Apus
HIP
77492
Tycho2
9437-01108-1
HD
139668
CP
CP-79 865
Distance
102.99
Distance ly
335.95
last precise pa
302.3
last precise sep
10.312
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15494-7937 HJ 4787 2004 19 302 10.3 9.27 10.15 G4V G4V N D 154922.18-793724.7
15494-7937 HJ 4787 2010 21 302 9.8 9.27 10.15 G4V+G4V NV 154922.18-793724.7

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