20390+2352 POU 4790
20h 38m 55.98s +23° 51' 39.5" P.A. 338.00 sep 4.0 mag 11.98,13.40
| Coord 2000 |
20390+2352 |
|
Discov num |
POU4790 |
|
Comp |
|
|
Coord arcsec 2000 |
20 38 55.98 +23 51 39.5 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
339 |
|
Pa last |
338.2 |
|
P.A. Now (θ) |
338.2° |
|
| Sep first |
3.6 |
|
Sep last |
4.009 |
|
Sep. Now (ρ) |
4.009" |
|
| Mag pri |
11.98 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2157-00290-1 |
|
Gaia DR2 |
1819355710030345472 |
|
