18102-7859 HJ 4988 (HD 163963)
18h 10m 13.77s -78° 59' 12.0" P.A. 117.00 sep 8.9 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 |
2016 |
|
Obs |
18 |
|
Pa first |
123 |
|
Pa last |
117.4 |
|
P.A. Now (θ) |
117.4° |
|
Sep first |
9.2 |
|
Sep last |
8.932 |
|
Sep. Now (ρ) |
8.932" |
|
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
Name |
HD 163963 |
|
Constellation |
Apus |
|
SAO |
257564 |
|
HIP |
89030 |
|
Tycho2 |
9453-01318-1 |
|
Gaia DR2 |
6364795156447668736 |
|
HD |
163963 |
|
CP |
CP-78 1156 |
|
Distance |
108.93 |
|
Distance ly |
355.33 |
|