20491+3148 ES 370
20h 49m 05.66s +31° 48' 30.5" P.A. 44.00 sep 7.7 mag 10.65,14.80
Coord 2000 |
20491+3148 |
|
Discov num |
ES 370 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 05.66 +31 48 30.5 |
|
Date first |
1906 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
39 |
|
Pa last |
43.7 |
|
P.A. Now (θ) |
43.7° |
|
Sep first |
5.8 |
|
Sep last |
7.703 |
|
Sep. Now (ρ) |
7.703" |
|
Mag pri |
10.65 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
4.15 |
|
Spectral class |
|
|
Pri motion ra |
-009 |
|
Sec motion ra |
|
|
Pri motion dec |
-013 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2687-00958-1 |
|
Gaia DR2 |
1859861271727036544 |
|