18022-3939 WG 221
18h 02m 10.53s -39° 39' 47.4" P.A. 356.00 sep 10.8 mag 11.55,11.80
| Coord 2000 |
18022-3939 |
|
Discov num |
WG 221 |
|
Comp |
|
|
Coord arcsec 2000 |
18 02 10.53 -39 39 47.4 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
354 |
|
Pa last |
356.3 |
|
P.A. Now (θ) |
356.3° |
|
| Sep first |
10.2 |
|
Sep last |
10.781 |
|
Sep. Now (ρ) |
10.781" |
|
| Mag pri |
11.55 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.25 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Austrina |
|
Tycho2 |
7903-01823-1 |
|
Gaia DR2 |
4035497846291591296 |
|
