20555+4722 TOB 201 CD
20h 55m 30.46s +47° 21' 24.5" P.A. 71.00 sep 10.3 mag 16.00,16.70
| Coord 2000 |
20555+4722 |
|
Discov num |
TOB 201 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 55 30.46 +47 21 24.5 |
|
| Date first |
1983 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
71 |
|
Pa last |
70.7 |
|
P.A. Now (θ) |
70.7° |
|
| Sep first |
9.9 |
|
Sep last |
10.314 |
|
Sep. Now (ρ) |
10.314" |
|
| Mag pri |
16.00 |
|
Mag sec |
16.70 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-027 |
|
| Notes |
|
|
rPM=0.63
Nature of this double is uncertain.
20555+4722 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 55 30 +47 21 36 |
TOB 201 AB |
2015 |
7 |
82 |
20.0 |
14.10 |
14.60 |
0.50 |
|
|
| Show |
|
|
20 55 30 +47 21 36 |
TOB 201 AC |
2015 |
7 |
146 |
13.4 |
14.10 |
16.00 |
1.90 |
|
|
| Show |
|
|
20 55 30 +47 21 36 |
TOB 201 AD |
2015 |
7 |
114 |
18.9 |
14.10 |
16.70 |
2.60 |
|
|
| Show |
|
|
20 55 30 +47 21 24 |
TOB 201 CD |
2015 |
7 |
71 |
10.3 |
16.00 |
16.70 |
0.70 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2166844054903955328 |
|
