19470+3425 RBR 20 AB
19h 46m 58.11s +34° 25' 10.3" P.A. 344.00 sep 2.7 mag 7.80,17.00 Sp G5 dist. 48.26 pc (157.42 l.y.)
| Coord 2000 |
19470+3425 |
|
Discov num |
RBR 20 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 46 58.11 +34 25 10.3 |
|
| Date first |
2002 |
|
Date last |
2002 |
|
Obs |
1 |
|
| Pa first |
344 |
|
Pa last |
343.6 |
|
P.A. Now (θ) |
343.6° |
|
| Sep first |
2.7 |
|
Sep last |
2.65 |
|
Sep. Now (ρ) |
2.65" |
|
| Mag pri |
7.80 |
|
Mag sec |
17.00 |
|
delta mag (ΔM) |
9.2 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+143 |
|
Sec motion ra |
|
|
| Pri motion dec |
-124 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
19470+3425 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
68845 |
19 46 58 +34 25 10 |
RBR 20 AB |
2002 |
1 |
344 |
2.7 |
7.80 |
17.00 |
9.20 |
|
<=== |
| Show |
|
68845 |
19 46 58 +34 25 10 |
RBR 20 AC |
2002 |
1 |
339 |
3.0 |
7.80 |
18.00 |
10.20 |
|
|
| Show |
|
68845 |
19 46 58 +34 25 10 |
RBR 20 AD |
2009 |
6 |
44 |
2.9 |
7.80 |
16.00 |
8.20 |
|
|
| Show |
|
68845 |
19 46 58 +34 25 10 |
RBR 20 AE |
2002 |
1 |
188 |
5.8 |
7.80 |
18.00 |
10.20 |
|
|
| Show |
|
68845 |
19 46 58 +34 25 10 |
GNS 4 AF |
2009 |
2 |
264 |
11.7 |
7.83 |
|
|
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
68845 |
|
HIP |
97336 |
|
Tycho2 |
2664-00550-1 |
|
| Gaia DR2 |
2047452661412980736 |
|
HD |
187123 |
|
BD |
BD+34 3708 |
|
Distance |
48.26 |
|
| Distance ly |
157.42 |
|
