20169+3130 HO 588 BC
20h 16m 51.42s +31° 30' 41.9" P.A. 30.00 sep 8.7 mag 8.89,12.60 Sp A2
| Coord 2000 |
20169+3130 |
|
Discov num |
HO 588 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 16 51.42 +31 30 41.9 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
15 |
|
Pa last |
30.2 |
|
P.A. Now (θ) |
30.2° |
|
| Sep first |
8.2 |
|
Sep last |
8.681 |
|
Sep. Now (ρ) |
8.681" |
|
| Mag pri |
8.89 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
3.71 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20169+3130 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 193010 |
69743 |
20 16 55 +31 30 19 |
HO 588 AB |
2018 |
29 |
297 |
50.8 |
6.91 |
8.89 |
1.98 |
|
|
| Show |
|
69741 |
20 16 51 +31 30 42 |
HO 588 BC |
2015 |
13 |
30 |
8.7 |
8.89 |
12.60 |
3.71 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
69741 |
|
Tycho2 |
2672-02019-1 |
|
Gaia DR2 |
2053881265366641920 |
|
| HD |
332076 |
|
