18386-2149 J 1633 AB
18h 38m 36.40s -21° 49' 08.5" P.A. 143.00 sep 36.8 mag 10.64,11.37
Coord 2000 |
18386-2149 |
|
Discov num |
J 1633 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 38 36.40 -21 49 08.5 |
|
Date first |
1921 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
146 |
|
Pa last |
142.6 |
|
P.A. Now (θ) |
142.6° |
|
Sep first |
36.9 |
|
Sep last |
36.768 |
|
Sep. Now (ρ) |
36.768" |
|
Mag pri |
10.64 |
|
Mag sec |
11.37 |
|
delta mag (ΔM) |
0.73 |
|
Spectral class |
|
|
Pri motion ra |
-020 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=0.987
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 |
6279-00767-1 |
|
Gaia DR2 |
4079575480741789440 |
|