17138-1807 ARA 247
17h 13m 47.37s -18° 06' 41.9" P.A. 236.00 sep 6.0 mag 13.30,13.70
Coord 2000 |
17138-1807 |
|
Discov num |
ARA 247 |
|
Comp |
|
|
Coord arcsec 2000 |
17 13 47.37 -18 06 41.9 |
|
Date first |
1916 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
240 |
|
Pa last |
235.7 |
|
P.A. Now (θ) |
235.7° |
|
Sep first |
6.1 |
|
Sep last |
5.995 |
|
Sep. Now (ρ) |
5.995" |
|
Mag pri |
13.30 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+006 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
rPM=1.754
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
Gaia DR2 |
4134648502007374592 |
|