20209-1939 BU 662 BC
20h 20m 57.40s -19° 36' 28.6" P.A. 297.00 sep 2.2 mag 10.81,13.00 Sp G
| Coord 2000 |
20209-1939 |
|
Discov num |
BU 662 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 20 57.40 -19 36 28.6 |
|
| Date first |
1878 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
300 |
|
Pa last |
297 |
|
P.A. Now (θ) |
297° |
|
| Sep first |
1.7 |
|
Sep last |
2.15 |
|
Sep. Now (ρ) |
2.15" |
|
| Mag pri |
10.81 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
G (yellow) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20209-1939 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 193459 |
|
20 20 57 -19 38 33 |
BU 662 AB |
2015 |
10 |
4 |
125.2 |
8.91 |
10.81 |
1.90 |
|
|
| Show |
|
|
20 20 57 -19 36 29 |
BU 662 BC |
2016 |
10 |
297 |
2.2 |
10.81 |
13.00 |
2.19 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Capricornus |
|
Tycho2 |
6336-01058-1 |
|
Gaia DR2 |
6860243990798311808 |
|
HD |
193458 |
|
