20317+2520 POU 4571 (HD 340504)
20h 31m 43.58s +25° 19' 43.8" P.A. 15.00 sep 4.8 mag 10.54,12.50
| Coord 2000 |
20317+2520 |
|
Discov num |
POU4571 |
|
Comp |
|
|
Coord arcsec 2000 |
20 31 43.58 +25 19 43.8 |
|
| Date first |
1898 |
|
Date last |
2008 |
|
Obs |
2 |
|
| Pa first |
37 |
|
Pa last |
14.7 |
|
P.A. Now (θ) |
14.7° |
|
| Sep first |
6.2 |
|
Sep last |
4.84 |
|
Sep. Now (ρ) |
4.84" |
|
| Mag pri |
10.54 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 340504 |
|
Constellation |
Vulpecula |
|
Tycho2 |
2161-00320-1 |
|
Gaia DR2 |
1831804311968632832 |
|
| HD |
340504 |
|