19364+5013 BU 1131 AB
19h 36m 26.53s +50° 13' 15.9" P.A. 71.00 sep 2.1 mag 4.50,12.90 Sp F4V dist. 18.34 pc (59.83 l.y.)
| Coord 2000 |
19364+5013 |
|
Discov num |
BU 1131 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 36 26.53 +50 13 15.9 |
|
| Date first |
1889 |
|
Date last |
2012 |
|
Obs |
10 |
|
| Pa first |
44 |
|
Pa last |
71.1 |
|
P.A. Now (θ) |
71.1° |
|
| Sep first |
3.6 |
|
Sep last |
2.14 |
|
Sep. Now (ρ) |
2.14" |
|
| Mag pri |
4.50 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
8.4 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
-010 |
|
Sec motion ra |
|
|
| Pri motion dec |
+261 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
19364+5013 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
31815 |
19 36 27 +50 13 16 |
BU 1131 AB |
2012 |
10 |
71 |
2.1 |
4.50 |
12.90 |
8.40 |
|
<=== |
| Show |
The Cyg |
31815 |
19 36 27 +50 13 16 |
STT 591 AC |
2015 |
15 |
180 |
73.3 |
4.50 |
11.70 |
7.20 |
|
|
| Show |
|
31815 |
19 36 27 +50 13 16 |
STG 8 AD |
2015 |
8 |
53 |
67.0 |
4.50 |
12.50 |
8.00 |
|
|
| Show |
|
31815 |
19 36 27 +50 13 16 |
SKF 1976 AE |
2015 |
9 |
267 |
116.7 |
4.54 |
12.88 |
8.34 |
|
|
| Show |
|
|
19 36 14 +50 13 12 |
LDS 5881 EF |
2015 |
20 |
207 |
262.9 |
12.88 |
15.90 |
3.02 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
31815 |
|
HIP |
96441 |
|
Tycho2 |
3564-03157-1 |
|
| Gaia DR2 |
2135110401277424384 |
|
HD |
185395 |
|
HR |
7469 |
|
GC |
27141 |
|
| ADS |
12695 |
|
GL |
Gl 765A |
|
BD |
BD+49 3062 |
|
Bayer |
Theta Cygni |
|
| Bayer name |
The Cyg |
|
Flamsteed |
13 Cygni |
|
Flamsteed name |
13 Cyg |
|
FK5 |
738 |
|
| Distance |
18.34 |
|
Distance ly |
59.83 |
|
Bayer greek |
θ Cyg |
|
