18168+2340 POU 3377
18h 16m 50.52s +23° 40' 29.9" P.A. 137.00 sep 2.2 mag 13.20,13.60
| Coord 2000 |
18168+2340 |
|
Discov num |
POU3377 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 50.52 +23 40 29.9 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
140 |
|
Pa last |
137.4 |
|
P.A. Now (θ) |
137.4° |
|
| Sep first |
2.0 |
|
Sep last |
2.205 |
|
Sep. Now (ρ) |
2.205" |
|
| Mag pri |
13.20 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
-020 |
|
Sec motion ra |
|
|
| Pri motion dec |
+021 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4578498466834859264 |
|
