18317-1915 ARN 107
18h 31m 41.15s -19° 15' 17.6" P.A. 289.00 sep 21.1 mag 9.68,10.94 Sp em
| Coord 2000 |
18317-1915 |
|
Discov num |
ARN 107 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 41.15 -19 15 17.6 |
|
| Date first |
1919 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
289 |
|
Pa last |
288.7 |
|
P.A. Now (θ) |
288.7° |
|
| Sep first |
20.8 |
|
Sep last |
21.146 |
|
Sep. Now (ρ) |
21.146" |
|
| Mag pri |
9.68 |
|
Mag sec |
10.94 |
|
delta mag (ΔM) |
1.26 |
|
Spectral class |
em |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.382
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6274-01251-1 |
|
Gaia DR2 |
4092901699147763328 |
|