20159+4307 BRT 2257
20h 15m 54.82s +43° 07' 49.2" P.A. 101.00 sep 3.4 mag 10.85,12.10
| Coord 2000 |
20159+4307 |
|
Discov num |
BRT2257 |
|
Comp |
|
|
Coord arcsec 2000 |
20 15 54.82 +43 07 49.2 |
|
| Date first |
1892 |
|
Date last |
2006 |
|
Obs |
3 |
|
| Pa first |
103 |
|
Pa last |
101.2 |
|
P.A. Now (θ) |
101.2° |
|
| Sep first |
2.8 |
|
Sep last |
3.439 |
|
Sep. Now (ρ) |
3.439" |
|
| Mag pri |
10.85 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3163-00693-1 |
|
Gaia DR2 |
2080829676882658944 |
|
