20367+5053 HEI 879 Aa,Ab
20h 36m 42.99s +50° 53' 23.4" P.A. 137.00 sep 0.1 mag 8.40,9.20 Sp A2V dist. 216.45 pc (706.06 l.y.)
Coord 2000 |
20367+5053 |
|
Discov num |
HEI 879 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 36 42.99 +50 53 23.4 |
|
Date first |
1991 |
|
Date last |
2008 |
|
Obs |
5 |
|
Pa first |
150 |
|
Pa last |
136.7 |
|
P.A. Now (θ) |
136.7° |
|
Sep first |
0.2 |
|
Sep last |
0.134 |
|
Sep. Now (ρ) |
0.134" |
|
Mag pri |
8.40 |
|
Mag sec |
9.20 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
A2V (white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
|
|
Pri motion dec |
+008 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
20367+5053 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
32731 |
20 36 43 +50 53 23 |
HEI 879 Aa,Ab |
2008 |
5 |
137 |
0.1 |
8.40 |
9.20 |
0.80 |
|
<=== |
Show |
HD 196670 |
32731 |
20 36 43 +50 53 23 |
HLD 39 AB |
2017 |
18 |
174 |
7.5 |
8.00 |
11.20 |
3.20 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
32731 |
|
HIP |
101691 |
|
Tycho2 |
3585-02079-1 |
|
Gaia DR2 |
2180600839457244672 |
|
HD |
196670 |
|
BD |
BD+50 3145 |
|
Distance |
216.45 |
|
Distance ly |
706.06 |
|