20134+3844 BLL 47 AB (RS Cyg)
20h 13m 23.66s +38° 43' 44.5" P.A. 354.00 sep 131.7 mag 8.00,7.15 Sp CII dist. 473.93 pc (1545.96 l.y.)
| Coord 2000 |
20134+3844 |
|
Discov num |
BLL 47 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 13 23.66 +38 43 44.5 |
|
| Date first |
1879 |
|
Date last |
2015 |
|
Obs |
24 |
|
| Pa first |
355 |
|
Pa last |
353.9 |
|
P.A. Now (θ) |
353.9° |
|
| Sep first |
132.4 |
|
Sep last |
131.689 |
|
Sep. Now (ρ) |
131.689" |
|
| Mag pri |
8.00 |
|
Mag sec |
7.15 |
|
delta mag (ΔM) |
0.85 |
|
Spectral class |
CII (red carbon star) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-005 |
|
| Notes |
N
(See Notes) |
|
rPM=1.507
This double is not physical.
20134+3844 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
RS Cyg |
69636 |
20 13 24 +38 43 44 |
BLL 47 AB |
2015 |
24 |
354 |
131.7 |
8.00 |
7.15 |
0.85 |
|
<=== |
| Show |
|
69636 |
20 13 24 +38 43 44 |
BLL 47 AC |
2015 |
21 |
106 |
154.0 |
8.00 |
9.50 |
1.50 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
RS Cyg |
|
Constellation |
Cygnus |
|
SAO |
69636 |
|
HIP |
99653 |
|
| Tycho2 |
3151-01358-1 |
|
Gaia DR2 |
2061720267887555840 |
|
HD |
192443 |
|
GC |
28086 |
|
| BD |
BD+38 3956 |
|
Distance |
473.93 |
|
Distance ly |
1545.96 |
|
