20188+3507 BU 986 AB,C (HD 228849)
20h 18m 45.81s +35° 06' 42.8" P.A. 240.00 sep 4.2 mag 8.57,11.00
| Coord 2000 |
20188+3507 |
|
Discov num |
BU 986 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
20 18 45.81 +35 06 42.8 |
|
| Date first |
1880 |
|
Date last |
2019 |
|
Obs |
16 |
|
| Pa first |
242 |
|
Pa last |
240.1 |
|
P.A. Now (θ) |
240.1° |
|
| Sep first |
4.4 |
|
Sep last |
4.187 |
|
Sep. Now (ρ) |
4.187" |
|
| Mag pri |
8.57 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
2.43 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20188+3507 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
69809 |
20 18 46 +35 06 43 |
A 286 AB |
2014 |
19 |
41 |
0.1 |
9.40 |
9.40 |
0.00 |
|
|
| Show |
HD 228849 |
69809 |
20 18 46 +35 06 43 |
BU 986 AB,C |
2019 |
16 |
240 |
4.2 |
8.57 |
11.00 |
2.43 |
|
<=== |
| Show |
|
69809 |
20 18 46 +35 06 43 |
FOX 253 AB,D |
2019 |
9 |
341 |
46.6 |
8.57 |
11.41 |
2.84 |
|
|
| Show |
|
69809 |
20 18 46 +35 06 43 |
FYM 178 AB,E |
2013 |
3 |
75 |
12.7 |
8.57 |
13.96 |
5.39 |
|
|
| Show |
|
69809 |
20 18 46 +35 06 43 |
FYM 178 AB,F |
2013 |
3 |
289 |
27.8 |
8.57 |
14.02 |
5.45 |
|
|
Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228849 |
|
Constellation |
Cygnus |
|
SAO |
69809 |
|
Tycho2 |
2680-00908-1 |
|
| Gaia DR2 |
2057121423049163136 |
|
HD |
228849 |
|
