20175+2521 POU 4342 (HD 339940)
20h 17m 25.34s +25° 20' 30.6" P.A. 191.00 sep 10.9 mag 11.20,12.30
| Coord 2000 |
20175+2521 |
|
Discov num |
POU4342 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 25.34 +25 20 30.6 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
194 |
|
Pa last |
190.5 |
|
P.A. Now (θ) |
190.5° |
|
| Sep first |
11.3 |
|
Sep last |
10.889 |
|
Sep. Now (ρ) |
10.889" |
|
| Mag pri |
11.20 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.637
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 339940 |
|
Constellation |
Vulpecula |
|
Tycho2 |
2159-01442-1 |
|
Gaia DR2 |
1835265162259736576 |
|
| HD |
339940 |
|