17272-1720 ARA 253
17h 27m 10.55s -17° 20' 18.0" P.A. 287.00 sep 11.2 mag 12.40,12.70
| Coord 2000 |
17272-1720 |
|
Discov num |
ARA 253 |
|
Comp |
|
|
Coord arcsec 2000 |
17 27 10.55 -17 20 18.0 |
|
| Date first |
1916 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
286 |
|
Pa last |
286.6 |
|
P.A. Now (θ) |
286.6° |
|
| Sep first |
10.9 |
|
Sep last |
11.248 |
|
Sep. Now (ρ) |
11.248" |
|
| Mag pri |
12.40 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.542
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Gaia DR2 |
4123019865203971712 |
|
