18307-1639 ARA 104
18h 30m 40.64s -16° 38' 36.4" P.A. 205.00 sep 11.1 mag 11.31,11.45
Coord 2000 |
18307-1639 |
|
Discov num |
ARA 104 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 40.64 -16 38 36.4 |
|
Date first |
1916 |
|
Date last |
2019 |
|
Obs |
7 |
|
Pa first |
205 |
|
Pa last |
204.6 |
|
P.A. Now (θ) |
204.6° |
|
Sep first |
11.4 |
|
Sep last |
11.149 |
|
Sep. Now (ρ) |
11.149" |
|
Mag pri |
11.31 |
|
Mag sec |
11.45 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-027 |
|
Notes |
|
|
rPM=0.648
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6266-02547-1 |
|
Gaia DR2 |
4096853820583314688 |
|