18387-2114 ARA 1551
18h 38m 40.81s -21° 13' 25.0" P.A. 137.00 sep 6.1 mag 13.10,13.20
Coord 2000 |
18387-2114 |
|
Discov num |
ARA1551 |
|
Comp |
|
|
Coord arcsec 2000 |
18 38 40.81 -21 13 25.0 |
|
Date first |
1921 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
137 |
|
Pa last |
136.5 |
|
P.A. Now (θ) |
136.5° |
|
Sep first |
6.7 |
|
Sep last |
6.061 |
|
Sep. Now (ρ) |
6.061" |
|
Mag pri |
13.10 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
+002 |
|
Sec motion dec |
+003 |
|
Notes |
|
|
rPM=0.632
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4079668969259723136 |
|