18102-7859 HJ 4988

 
 
18h 10m 13.77s -78 59' 12.0" P.A. 117 sep 8.8 mag 9.56,9.88 Sp G2V+G2V dist. 108.93 pc (355.33 l.y.)
 
 
Coord 2000
18102-7859
Discov num
HJ 4988
Comp
Coord arcsec 2000
18 10 13.77 -78 59 12.0
Date first
1835
Date last
2000
Obs
15
Pa first
123
Pa last
117
P.A. Now (θ)
117°
Sep first
9.2
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
9.56
Mag sec
9.88
delta mag (ΔM)
0.32
Spectral class
G2V+G2V (yellow/yellow)
Pri motion ra
-011
Sec motion ra
-006
Pri motion dec
-042
Sec motion dec
-051
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.1
Precise sep
8.79
Constellation
Apus
SAO
257564
HIP
89030
Tycho2
9453-01318-1
HD
163963
CP
CP-78 1156
Distance
108.93
Distance ly
355.33
last precise pa
117.1
last precise sep
8.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18102-7859 HJ 4988 2000 14 117 8.8 9.56 9.88 G2V G2V N D 181013.77-785912.0

If you need more information about this double, apply for a data request form to the WDS.