18177-1820 ARA 472
18h 17m 39.80s -18° 19' 20.2" P.A. 183.00 sep 14.8 mag 12.10,11.55
Coord 2000 |
18177-1820 |
|
Discov num |
ARA 472 |
|
Comp |
|
|
Coord arcsec 2000 |
18 17 39.80 -18 19 20.2 |
|
Date first |
1916 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
183 |
|
Pa last |
182.6 |
|
P.A. Now (θ) |
182.6° |
|
Sep first |
14.2 |
|
Sep last |
14.759 |
|
Sep. Now (ρ) |
14.759" |
|
Mag pri |
12.10 |
|
Mag sec |
11.55 |
|
delta mag (ΔM) |
0.55 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.728
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6269-02878-1 |
|
Gaia DR2 |
4096393541917356800 |
|