20172+2321 POU 4340
20h 17m 16.35s +23° 20' 24.1" P.A. 302.00 sep 7.9 mag 12.49,14.30
| Coord 2000 |
20172+2321 |
|
Discov num |
POU4340 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 16.35 +23 20 24.1 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
296 |
|
Pa last |
302.2 |
|
P.A. Now (θ) |
302.2° |
|
| Sep first |
7.5 |
|
Sep last |
7.911 |
|
Sep. Now (ρ) |
7.911" |
|
| Mag pri |
12.49 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
1.81 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2155-00930-1 |
|
Gaia DR2 |
1830373980472713600 |
|
