21434+3817 S 799 BD
21h 43m 36.64s +38° 18' 16.4" P.A. 254.00 sep 34.0 mag 6.98,13.90 Sp A0 dist. 114.29 pc (372.81 l.y.)
Coord 2000 |
21434+3817 |
|
Discov num |
S 799 |
|
Comp |
BD |
|
Coord arcsec 2000 |
21 43 36.64 +38 18 16.4 |
|
Date first |
1905 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
249 |
|
Pa last |
254.2 |
|
P.A. Now (θ) |
254.2° |
|
Sep first |
30.8 |
|
Sep last |
34.021 |
|
Sep. Now (ρ) |
34.021" |
|
Mag pri |
6.98 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
6.92 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+025 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-026 |
|
Sec motion dec |
-030 |
|
Notes |
N
(See Notes) |
|
rPM=0.565
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
Constellation |
Cygnus |
|
SAO |
71646 |
|
HIP |
107268 |
|
Tycho2 |
3184-01386-1 |
|
Gaia DR2 |
1952861641690622976 |
|
HD |
206807 |
|
GC |
30425 |
|
Distance |
114.29 |
|
Distance ly |
372.81 |
|