18386-2149 J 1633 BC
18h 38m 37.98s -21° 49' 38.0" P.A. 149.00 sep 7.5 mag 11.37,12.80
| Coord 2000 |
18386-2149 |
|
Discov num |
J 1633 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 38 37.98 -21 49 38.0 |
|
| Date first |
1921 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
147 |
|
Pa last |
148.9 |
|
P.A. Now (θ) |
148.9° |
|
| Sep first |
7.2 |
|
Sep last |
7.533 |
|
Sep. Now (ρ) |
7.533" |
|
| Mag pri |
11.37 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.43 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=1.387
This double is not physical.
18386-2149 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 38 36 -21 49 08 |
J 1633 AB |
2015 |
11 |
143 |
36.8 |
10.64 |
11.37 |
0.73 |
|
|
| Show |
|
|
18 38 38 -21 49 38 |
J 1633 BC |
2015 |
12 |
149 |
7.5 |
11.37 |
12.80 |
1.43 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6279-00490-1 |
|
Gaia DR2 |
4079575480741767040 |
|
