18306-2133 ARA 1538
18h 30m 39.08s -21° 33' 14.1" P.A. 255.00 sep 9.4 mag 12.14,12.22
| Coord 2000 |
18306-2133 |
|
Discov num |
ARA1538 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 39.08 -21 33 14.1 |
|
| Date first |
1922 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
265 |
|
Pa last |
255.2 |
|
P.A. Now (θ) |
255.2° |
|
| Sep first |
8.9 |
|
Sep last |
9.361 |
|
Sep. Now (ρ) |
9.361" |
|
| Mag pri |
12.14 |
|
Mag sec |
12.22 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=1.703
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
4090109313175986176 |
|
