20339+3515 BU 1490 AC (47 Cyg)
20h 33m 54.19s +35° 15' 03.1" P.A. 210.00 sep 115.1 mag 4.82,11.87 Sp K2Ib+B3V dist. 847.46 pc (2764.41 l.y.)
| Coord 2000 |
20339+3515 |
|
Discov num |
BU 1490 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 33 54.19 +35 15 03.1 |
|
| Date first |
1880 |
|
Date last |
2013 |
|
Obs |
12 |
|
| Pa first |
190 |
|
Pa last |
210.2 |
|
P.A. Now (θ) |
210.2° |
|
| Sep first |
117.6 |
|
Sep last |
115.1 |
|
Sep. Now (ρ) |
115.1" |
|
| Mag pri |
4.82 |
|
Mag sec |
11.87 |
|
delta mag (ΔM) |
7.05 |
|
Spectral class |
K2Ib+B3V (yellow-orange/blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-035 |
|
| Notes |
N
(See Notes) |
|
rPM=0.929
This double is not physical.
20339+3515 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
70203 |
20 33 54 +35 15 03 |
WRH 34 AB |
1998 |
27 |
278 |
0.3 |
4.84 |
7.30 |
2.46 |
|
|
| Show |
47 Cyg |
70203 |
20 33 54 +35 15 03 |
BU 1490 AC |
2013 |
12 |
210 |
115.1 |
4.82 |
11.87 |
7.05 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
47 Cyg |
|
Constellation |
Cygnus |
|
SAO |
70203 |
|
HIP |
101474 |
|
| Tycho2 |
2694-02168-1 |
|
Gaia DR2 |
2056616231818264064 |
|
HD |
196093 |
|
HR |
7866 |
|
| GC |
28630 |
|
BD |
BD+34 4079 |
|
Flamsteed |
47 Cygni |
|
Flamsteed name |
47 Cyg |
|
| Distance |
847.46 |
|
Distance ly |
2764.41 |
|
