20002+1454 HDS 2847 Aa,Ab (HD 189578)
20h 00m 12.79s +14° 54' 10.5" P.A. 54.00 sep 0.4 mag 8.83,11.11 Sp F5V dist. 173.01 pc (564.36 l.y.)
| Coord 2000 |
20002+1454 |
|
Discov num |
HDS2847 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 00 12.79 +14 54 10.5 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
6 |
|
| Pa first |
55 |
|
Pa last |
53.5 |
|
P.A. Now (θ) |
53.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.443 |
|
Sep. Now (ρ) |
0.443" |
|
| Mag pri |
8.83 |
|
Mag sec |
11.11 |
|
delta mag (ΔM) |
2.28 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20002+1454 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 189578 |
105524 |
20 00 13 +14 54 10 |
HDS 2847 Aa,Ab |
2014 |
6 |
54 |
0.4 |
8.83 |
11.11 |
2.28 |
|
<=== |
| Show |
|
105524 |
20 00 13 +14 54 10 |
BPM 1920 AB |
2015 |
7 |
34 |
77.0 |
8.59 |
15.65 |
7.06 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189578 |
|
Constellation |
Aquila |
|
SAO |
105524 |
|
HIP |
98452 |
|
| Tycho2 |
1083-00557-1 |
|
Gaia DR2 |
1807341793156682880 |
|
HD |
189578 |
|
BD |
BD+14 4125 |
|
| Distance |
173.01 |
|
Distance ly |
564.36 |
|
