20462+3358 CHR 100 Aa,Ab
20h 46m 12.68s +33° 58' 12.9" P.A. 350.00 sep 0.0 mag 2.46, Sp K0III dist. 22.29 pc (72.71 l.y.)
| Coord 2000 |
20462+3358 |
|
Discov num |
CHR 100 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 46 12.68 +33 58 12.9 |
|
| Date first |
1983 |
|
Date last |
1991 |
|
Obs |
2 |
|
| Pa first |
0 |
|
Pa last |
350 |
|
P.A. Now (θ) |
350° |
|
| Sep first |
0.0 |
|
Sep last |
0.041 |
|
Sep. Now (ρ) |
0.041" |
|
| Mag pri |
2.46 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
K0III (yellow-orange) |
|
| Pri motion ra |
+356 |
|
Sec motion ra |
|
|
| Pri motion dec |
+331 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20462+3358 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
70474 |
20 46 13 +33 58 13 |
CHR 100 Aa,Ab |
1991 |
2 |
350 |
0.0 |
2.46 |
|
|
|
<=== |
| Show |
Aljanah |
70474 |
20 46 13 +33 58 13 |
STT 594 AB |
2017 |
21 |
261 |
79.2 |
2.46 |
11.60 |
9.14 |
|
|
| Show |
|
70474 |
20 46 13 +33 58 13 |
BU 676 AC |
2017 |
4 |
269 |
79.0 |
2.46 |
13.40 |
10.94 |
|
|
| Show |
|
70474 |
20 46 13 +33 58 13 |
LEP 96 AD |
2002 |
2 |
271 |
93.4 |
2.46 |
14.68 |
12.22 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Aljanah |
|
Constellation |
Cygnus |
|
SAO |
70474 |
|
HIP |
102488 |
|
| Tycho2 |
2695-04139-1 |
|
HD |
197989 |
|
HR |
7949 |
|
GC |
28959 |
|
| ADS |
14274 |
|
GL |
Gl 806.1A |
|
BD |
BD+33 4018 |
|
Bayer |
Epsilon Cygni |
|
| Bayer name |
Eps Cyg |
|
Flamsteed |
53 Cygni |
|
Flamsteed name |
53 Cyg |
|
FK5 |
780 |
|
| Distance |
22.29 |
|
Distance ly |
72.71 |
|
Bayer greek |
ε Cyg |
|
