18220-3132 RST 2047 BC
18h 21m 59.15s -31° 32' 42.7" P.A. 129.00 sep 4.3 mag 13.30,13.60
| Coord 2000 |
18220-3132 |
|
Discov num |
RST2047 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 21 59.15 -31 32 42.7 |
|
| Date first |
1934 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
129 |
|
Pa last |
128.7 |
|
P.A. Now (θ) |
128.7° |
|
| Sep first |
4.1 |
|
Sep last |
4.298 |
|
Sep. Now (ρ) |
4.298" |
|
| Mag pri |
13.30 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
|
|
Sec motion ra |
|
|
| Pri motion dec |
|
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18220-3132 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 21 59 -31 32 40 |
RST 2047 AB |
2000 |
3 |
132 |
3.7 |
10.30 |
13.30 |
3.00 |
|
|
| Show |
|
|
18 21 59 -31 32 43 |
RST 2047 BC |
2015 |
2 |
129 |
4.3 |
13.30 |
13.60 |
0.30 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
4046059166509814144 |
|
