20580+3918 BKO 476 BD
20h 58m 04.84s +39° 18' 29.6" P.A. 246.00 sep 6.0 mag 13.20,14.00
| Coord 2000 |
20580+3918 |
|
Discov num |
BKO 476 |
|
Comp |
BD |
|
Coord arcsec 2000 |
20 58 04.84 +39 18 29.6 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
245 |
|
Pa last |
245.5 |
|
P.A. Now (θ) |
245.5° |
|
| Sep first |
6.0 |
|
Sep last |
5.981 |
|
Sep. Now (ρ) |
5.981" |
|
| Mag pri |
13.20 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
-017 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20580+3918 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 58 06 +39 18 28 |
ES 1985 AB |
2015 |
11 |
276 |
8.4 |
10.91 |
13.20 |
2.29 |
|
|
| Show |
|
|
20 58 06 +39 18 28 |
SEI 1338 AC |
2015 |
14 |
277 |
32.7 |
10.91 |
10.75 |
0.16 |
|
|
| Show |
|
|
20 58 05 +39 18 30 |
BKO 476 BD |
2015 |
8 |
246 |
6.0 |
13.20 |
14.00 |
0.80 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1873011254696394752 |
|
