20052+3829 LLO 21 AD
20h 05m 09.78s +38° 28' 42.4" P.A. 212.00 sep 4.9 mag 4.62,14.90 Sp G3V dist. 18.79 pc (61.29 l.y.)
| Coord 2000 |
20052+3829 |
|
Discov num |
LLO 21 |
|
Comp |
AD |
|
Coord arcsec 2000 |
20 05 09.78 +38 28 42.4 |
|
| Date first |
2000 |
|
Date last |
2000 |
|
Obs |
1 |
|
| Pa first |
212 |
|
Pa last |
211.7 |
|
P.A. Now (θ) |
211.7° |
|
| Sep first |
4.9 |
|
Sep last |
4.91 |
|
Sep. Now (ρ) |
4.91" |
|
| Mag pri |
4.62 |
|
Mag sec |
14.90 |
|
delta mag (ΔM) |
10.28 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
+263 |
|
Sec motion ra |
|
|
| Pri motion dec |
+112 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
20052+3829 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
69377 |
20 05 10 +38 28 42 |
BU 1481 AB |
2015 |
4 |
240 |
42.7 |
6.17 |
13.20 |
7.03 |
|
|
| Show |
HD 190771 |
69377 |
20 05 10 +38 28 42 |
WAL 126 AC |
2015 |
6 |
212 |
70.4 |
6.17 |
12.22 |
6.05 |
|
|
| Show |
|
69377 |
20 05 10 +38 28 42 |
LLO 21 AD |
2000 |
1 |
212 |
4.9 |
4.62 |
14.90 |
10.28 |
|
<=== |
| Show |
|
69377 |
20 05 10 +38 28 42 |
LLO 21 AE |
2000 |
1 |
169 |
9.1 |
4.62 |
15.20 |
10.58 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
69377 |
|
HIP |
98921 |
|
Tycho2 |
3150-03061-1 |
|
| Gaia DR2 |
2061876742143320064 |
|
HD |
190771 |
|
HR |
7683 |
|
ADS |
13348 |
|
| GL |
GJ 1249 |
|
BD |
BD+38 3896 |
|
Distance |
18.79 |
|
Distance ly |
61.29 |
|
