18155-1738 ARA 271
18h 15m 31.51s -17° 37' 39.2" P.A. 255.00 sep 8.9 mag 11.74,12.20
Coord 2000 |
18155-1738 |
|
Discov num |
ARA 271 |
|
Comp |
|
|
Coord arcsec 2000 |
18 15 31.51 -17 37 39.2 |
|
Date first |
1916 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
252 |
|
Pa last |
254.7 |
|
P.A. Now (θ) |
254.7° |
|
Sep first |
9.0 |
|
Sep last |
8.928 |
|
Sep. Now (ρ) |
8.928" |
|
Mag pri |
11.74 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.46 |
|
Spectral class |
|
|
Pri motion ra |
+007 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
rPM=0.86
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6268-00137-1 |
|
Gaia DR2 |
4097228586557798784 |
|