20534-4923 SHY 784 AB (HD 198620)
20h 53m 25.93s -49° 22' 58.4" P.A. 134.00 sep 348.4 mag 8.79,9.51 Sp F6V+G4V dist. 71.68 pc (233.82 l.y.)
Coord 2000 |
20534-4923 |
|
Discov num |
SHY 784 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 53 25.93 -49 22 58.4 |
|
Date first |
1904 |
|
Date last |
2010 |
|
Obs |
7 |
|
Pa first |
134 |
|
Pa last |
133.6 |
|
P.A. Now (θ) |
133.6° |
|
Sep first |
348.6 |
|
Sep last |
348.42 |
|
Sep. Now (ρ) |
348.42" |
|
Mag pri |
8.79 |
|
Mag sec |
9.51 |
|
delta mag (ΔM) |
0.72 |
|
Spectral class |
F6V+G4V (yellow-white/yellow) |
|
Pri motion ra |
+044 |
|
Sec motion ra |
+042 |
|
Pri motion dec |
-030 |
|
Sec motion dec |
-026 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.084 (< 0.3, Physical double)
This double is physical.
20534-4923 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 198620 |
230418 |
20 53 26 -49 22 58 |
SHY 784 AB |
2010 |
7 |
134 |
348.4 |
8.79 |
9.51 |
0.72 |
|
<=== |
Show |
|
|
20 53 52 -49 26 58 |
SHY 784 BC |
2016 |
3 |
147 |
2.8 |
9.50 |
16.00 |
6.50 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 198620 |
|
Constellation |
Indus |
|
SAO |
230418 |
|
HIP |
103107 |
|
Tycho2 |
8416-01162-1 |
|
Gaia DR2 |
6481251098731588224 |
|
HD |
198620 |
|
CD |
CD-4913251 |
|
CP |
CP-4911327 |
|
Distance |
71.68 |
|
Distance ly |
233.82 |
|