20008+2949 BU 439 AB
20h 00m 46.25s +29° 49' 19.4" P.A. 222.00 sep 3.3 mag 7.89,12.70 Sp G0V
| Coord 2000 |
20008+2949 |
|
Discov num |
BU 439 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 00 46.25 +29 49 19.4 |
|
| Date first |
1876 |
|
Date last |
2016 |
|
Obs |
18 |
|
| Pa first |
250 |
|
Pa last |
221.9 |
|
P.A. Now (θ) |
221.9° |
|
| Sep first |
2.7 |
|
Sep last |
3.332 |
|
Sep. Now (ρ) |
3.332" |
|
| Mag pri |
7.89 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
4.81 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
+016 |
|
Sec motion ra |
|
|
| Pri motion dec |
-115 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20008+2949 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
88066 |
20 00 46 +29 49 19 |
BU 439 AB |
2016 |
18 |
222 |
3.3 |
7.89 |
12.70 |
4.81 |
|
<=== |
| Show |
HD 189796 |
88066 |
20 00 46 +29 49 19 |
BU 439 AC |
2015 |
8 |
201 |
38.5 |
7.89 |
12.25 |
4.36 |
|
|
| Show |
|
88066 |
20 00 46 +29 49 19 |
FOX 9033 AD |
2015 |
3 |
51 |
11.5 |
7.89 |
12.00 |
4.11 |
|
|
| Show |
|
88066 |
20 00 46 +29 49 19 |
FOX 9033 AE |
2002 |
3 |
122 |
23.2 |
7.89 |
14.40 |
6.51 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
88066 |
|
Tycho2 |
2153-02502-1 |
|
Gaia DR2 |
2030169713022898048 |
|
| HD |
189796 |
|
ADS |
13251 |
|
