20555+4722 TOB 201 AD
20h 55m 29.72s +47° 21' 35.8" P.A. 114.00 sep 18.9 mag 14.10,16.70
| Coord 2000 |
20555+4722 |
|
Discov num |
TOB 201 |
|
Comp |
AD |
|
Coord arcsec 2000 |
20 55 29.72 +47 21 35.8 |
|
| Date first |
1983 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
116 |
|
Pa last |
114.2 |
|
P.A. Now (θ) |
114.2° |
|
| Sep first |
18.9 |
|
Sep last |
18.87 |
|
Sep. Now (ρ) |
18.87" |
|
| Mag pri |
14.10 |
|
Mag sec |
16.70 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-027 |
|
| Notes |
|
|
rPM=0.632
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 |
2166844059217043968 |
|
