17317-1757 ARA 257
17h 31m 45.27s -17° 56' 17.4" P.A. 126.00 sep 11.8 mag 10.13,12.30
| Coord 2000 |
17317-1757 |
|
Discov num |
ARA 257 |
|
Comp |
|
|
Coord arcsec 2000 |
17 31 45.27 -17 56 17.4 |
|
| Date first |
1916 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
125 |
|
Pa last |
126.4 |
|
P.A. Now (θ) |
126.4° |
|
| Sep first |
11.7 |
|
Sep last |
11.837 |
|
Sep. Now (ρ) |
11.837" |
|
| Mag pri |
10.13 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
2.17 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-015 |
|
| Notes |
|
|
rPM=0.823
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
6239-02050-1 |
|
Gaia DR2 |
4124179948708035200 |
|
