20136+3553 SEI 1021 BC
20h 13m 33.07s +35° 52' 48.4" P.A. 52.00 sep 3.3 mag 12.40,14.20
| Coord 2000 |
20136+3553 |
|
Discov num |
SEI1021 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 13 33.07 +35 52 48.4 |
|
| Date first |
2002 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
52 |
|
Pa last |
52.1 |
|
P.A. Now (θ) |
52.1° |
|
| Sep first |
3.2 |
|
Sep last |
3.314 |
|
Sep. Now (ρ) |
3.314" |
|
| Mag pri |
12.40 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20136+3553 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 13 34 +35 52 54 |
SEI 1021 AB |
2015 |
8 |
248 |
13.4 |
10.90 |
12.40 |
1.50 |
|
|
| Show |
|
|
20 13 34 +35 52 54 |
SEI 1021 AC |
2015 |
2 |
253 |
10.3 |
10.90 |
14.20 |
3.30 |
|
|
| Show |
|
|
20 13 34 +35 52 54 |
SEI 1021 AD |
2015 |
7 |
121 |
6.9 |
10.90 |
15.10 |
4.20 |
|
|
| Show |
|
|
20 13 33 +35 52 48 |
SEI 1021 BC |
2016 |
3 |
52 |
3.3 |
12.40 |
14.20 |
1.80 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2058915413729162112 |
|
