20157+4339 STF 2659 AB,D
20h 15m 40.26s +43° 38' 59.6" P.A. 251.00 sep 20.5 mag 8.61,9.83 Sp F5 dist. 255.75 pc (834.26 l.y.)
| Coord 2000 |
20157+4339 |
|
Discov num |
STF2659 |
|
Comp |
AB,D |
|
Coord arcsec 2000 |
20 15 40.26 +43 38 59.6 |
|
| Date first |
1828 |
|
Date last |
2019 |
|
Obs |
27 |
|
| Pa first |
251 |
|
Pa last |
251.2 |
|
P.A. Now (θ) |
251.2° |
|
| Sep first |
14.0 |
|
Sep last |
20.45 |
|
Sep. Now (ρ) |
20.45" |
|
| Mag pri |
8.61 |
|
Mag sec |
9.83 |
|
delta mag (ΔM) |
1.22 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-022 |
|
Sec motion dec |
-016 |
|
| Notes |
N
(See Notes) |
|
rPM=0.327
Nature of this double is uncertain.
20157+4339 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
49388 |
20 15 40 +43 38 60 |
A 2095 AB |
2012 |
24 |
333 |
0.2 |
9.06 |
9.82 |
0.76 |
Y |
|
| Show |
HD 192911 |
49388 |
20 15 40 +43 38 60 |
STF 2659 AB,C |
2019 |
36 |
311 |
2.7 |
8.61 |
10.82 |
2.21 |
|
|
| Show |
|
49388 |
20 15 40 +43 38 60 |
STF 2659 AB,D |
2019 |
27 |
251 |
20.5 |
8.61 |
9.83 |
1.22 |
|
<=== |
| Show |
|
|
20 15 39 +43 38 54 |
FOX 39 DE |
2016 |
6 |
135 |
1.4 |
9.83 |
13.10 |
3.27 |
|
|
| Show |
|
|
20 15 39 +43 38 54 |
A 2095 DF |
2015 |
13 |
48 |
7.6 |
9.83 |
13.80 |
3.97 |
|
|
Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
49388 |
|
HIP |
99862 |
|
Tycho2 |
3163-01043-1 |
|
| Gaia DR2 |
2080915335711861760 |
|
HD |
192911 |
|
BD |
BD+43 3543 |
|
Distance |
255.75 |
|
| Distance ly |
834.26 |
|
