20309+0400 BAL 2538
20h 30m 53.46s +03° 59' 59.2" P.A. 202.00 sep 10.8 mag 11.11,12.80
| Coord 2000 |
20309+0400 |
|
Discov num |
BAL2538 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 53.46 +03 59 59.2 |
|
| Date first |
1910 |
|
Date last |
2014 |
|
Obs |
9 |
|
| Pa first |
202 |
|
Pa last |
201.6 |
|
P.A. Now (θ) |
201.6° |
|
| Sep first |
10.7 |
|
Sep last |
10.819 |
|
Sep. Now (ρ) |
10.819" |
|
| Mag pri |
11.11 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.69 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=0.481
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
0518-01514-1 |
|
Gaia DR2 |
4245278407035954944 |
|
