21434+3817 S 799 AB (79 Cyg)
21h 43m 25.63s +38° 17' 01.0" P.A. 60.00 sep 149.5 mag 5.69,7.00 Sp A0V dist. 84.18 pc (274.6 l.y.)
| Coord 2000 |
21434+3817 |
|
Discov num |
S 799 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 43 25.63 +38 17 01.0 |
|
| Date first |
1824 |
|
Date last |
2015 |
|
Obs |
37 |
|
| Pa first |
59 |
|
Pa last |
60.2 |
|
P.A. Now (θ) |
60.2° |
|
| Sep first |
153.2 |
|
Sep last |
149.47 |
|
Sep. Now (ρ) |
149.47" |
|
| Mag pri |
5.69 |
|
Mag sec |
7.00 |
|
delta mag (ΔM) |
1.31 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
+034 |
|
Sec motion ra |
+025 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-026 |
|
| Notes |
N
(See Notes) |
|
rPM=0.633
Nature of this double is uncertain.
21434+3817 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
71643 |
21 43 26 +38 17 01 |
KUI 109 Aa,Ab |
2016 |
12 |
142 |
1.9 |
5.69 |
11.10 |
5.41 |
|
|
| Show |
79 Cyg |
71643 |
21 43 26 +38 17 01 |
S 799 AB |
2015 |
37 |
60 |
149.5 |
5.69 |
7.00 |
1.31 |
|
<=== |
| Show |
|
71643 |
21 43 26 +38 17 01 |
S 799 AC |
2011 |
10 |
318 |
135.3 |
5.69 |
10.24 |
4.55 |
|
|
| Show |
|
71646 |
21 43 37 +38 18 16 |
S 799 BD |
2015 |
4 |
254 |
34.0 |
6.98 |
13.90 |
6.92 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
79 Cyg |
|
Constellation |
Cygnus |
|
SAO |
71643 |
|
HIP |
107253 |
|
| Tycho2 |
3184-02738-1 |
|
Gaia DR2 |
1953588728112369408 |
|
HD |
206774 |
|
HR |
8307 |
|
| GC |
30421 |
|
DM |
BD+37 4410 |
|
BD |
BD+37 4408 |
|
Flamsteed |
79 Cygni |
|
| Flamsteed name |
79 Cyg |
|
Distance |
84.18 |
|
Distance ly |
274.6 |
|
