20306+1932 UC 251
20h 30m 36.61s +19° 31' 44.1" P.A. 38.00 sep 39.9 mag 11.30,12.70
| Coord 2000 |
20306+1932 |
|
Discov num |
UC 251 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 36.61 +19 31 44.1 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
38 |
|
Pa last |
37.6 |
|
P.A. Now (θ) |
37.6° |
|
| Sep first |
39.9 |
|
Sep last |
39.892 |
|
Sep. Now (ρ) |
39.892" |
|
| Mag pri |
11.30 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
|
|
| Pri motion ra |
-050 |
|
Sec motion ra |
-052 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-013 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.083 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1640-02020-1 |
|
Gaia DR2 |
1815857265891526528 |
|
