20410+3218 BNU 7 Aa,Ab
20h 41m 02.54s +32° 18' 26.3" P.A. 19.00 sep 0.2 mag 5.75, Sp G2III dist. 244.5 pc (797.56 l.y.)
| Coord 2000 |
20410+3218 |
|
Discov num |
BNU 7 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 41 02.54 +32 18 26.3 |
|
| Date first |
1979 |
|
Date last |
1979 |
|
Obs |
1 |
|
| Pa first |
19 |
|
Pa last |
19 |
|
P.A. Now (θ) |
19° |
|
| Sep first |
0.2 |
|
Sep last |
0.244 |
|
Sep. Now (ρ) |
0.244" |
|
| Mag pri |
5.75 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
G2III (yellow) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20410+3218 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
70362 |
20 41 03 +32 18 26 |
BNU 7 Aa,Ab |
1979 |
1 |
19 |
0.2 |
5.75 |
|
|
|
<=== |
| Show |
49 Cyg |
70362 |
20 41 03 +32 18 26 |
STF 2716 AB |
2020 |
102 |
45 |
2.8 |
5.75 |
8.10 |
2.35 |
|
|
| Show |
|
70362 |
20 41 03 +32 18 26 |
STF 2716 AC |
2015 |
8 |
93 |
67.1 |
5.75 |
12.08 |
6.33 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
70362 |
|
HIP |
102066 |
|
Tycho2 |
2690-01645-1 |
|
| Gaia DR2 |
1863091877405053184 |
|
HD |
197177 |
|
HR |
7921 |
|
GC |
28827 |
|
| ADS |
14158 |
|
BD |
BD+31 4181 |
|
Flamsteed |
49 Cygni |
|
Flamsteed name |
49 Cyg |
|
| Distance |
244.5 |
|
Distance ly |
797.56 |
|
