21420+1856 LBU 2 Aa,Ab
21h 41m 59.91s +18° 56' 19.7" P.A. 22.00 sep 0.6 mag 8.00,9.50 Sp G7III dist. 179.86 pc (586.7 l.y.)
| Coord 2000 |
21420+1856 |
|
Discov num |
LBU 2 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 41 59.91 +18 56 19.7 |
|
| Date first |
1985 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
42 |
|
Pa last |
22.1 |
|
P.A. Now (θ) |
22.1° |
|
| Sep first |
0.9 |
|
Sep last |
0.561 |
|
Sep. Now (ρ) |
0.561" |
|
| Mag pri |
8.00 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
G7III (yellow) |
|
| Pri motion ra |
-036 |
|
Sec motion ra |
|
|
| Pri motion dec |
-047 |
|
Sec motion dec |
|
|
| Notes |
N
W
(See Notes, ) |
|
Nature of this double is uncertain.
21420+1856 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
107334 |
21 41 60 +18 56 20 |
LBU 2 Aa,Ab |
2016 |
2 |
22 |
0.6 |
8.00 |
9.50 |
1.50 |
|
<=== |
| Show |
HD 206485 |
107334 |
21 41 60 +18 56 20 |
STF 2818 AB |
2015 |
21 |
24 |
26.8 |
7.38 |
10.24 |
2.86 |
|
|
| Show |
|
107334 |
21 41 60 +18 56 20 |
FOX 9055 AC |
2015 |
4 |
267 |
76.5 |
7.38 |
13.78 |
6.40 |
|
|
| Show |
|
|
21 41 54 +18 56 15 |
DAM 16 CD |
2016 |
5 |
90 |
3.5 |
13.30 |
14.30 |
1.00 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
SAO |
107334 |
|
HIP |
107126 |
|
Tycho2 |
1673-00088-1 |
|
| Gaia DR2 |
1786382524538594176 |
|
HD |
206485 |
|
BD |
BD+18 4841 |
|
Distance |
179.86 |
|
| Distance ly |
586.7 |
|
