17298-1713 ARA 255
17h 29m 48.36s -17° 12' 59.7" P.A. 139.00 sep 9.6 mag 11.20,13.10
| Coord 2000 |
17298-1713 |
|
Discov num |
ARA 255 |
|
Comp |
|
|
Coord arcsec 2000 |
17 29 48.36 -17 12 59.7 |
|
| Date first |
1916 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
148 |
|
Pa last |
139.2 |
|
P.A. Now (θ) |
139.2° |
|
| Sep first |
9.4 |
|
Sep last |
9.56 |
|
Sep. Now (ρ) |
9.56" |
|
| Mag pri |
11.20 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.96
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
6239-01031-1 |
|
Gaia DR2 |
4124468677923037952 |
|
