19316+2659 HDS 2774 AB (V391 Vul)
19h 31m 36.38s +26° 59' 11.7" P.A. 118.00 sep 0.5 mag 7.41,10.31 Sp B8 dist. 16666.67 pc (54366.68 l.y.)
| Coord 2000 |
19316+2659 |
|
Discov num |
HDS2774 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 31 36.38 +26 59 11.7 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
5 |
|
| Pa first |
111 |
|
Pa last |
118 |
|
P.A. Now (θ) |
118° |
|
| Sep first |
0.5 |
|
Sep last |
0.469 |
|
Sep. Now (ρ) |
0.469" |
|
| Mag pri |
7.41 |
|
Mag sec |
10.31 |
|
delta mag (ΔM) |
2.9 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19316+2659 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V391 Vul |
87317 |
19 31 36 +26 59 12 |
HDS 2774 AB |
2021 |
5 |
118 |
0.5 |
7.41 |
10.31 |
2.90 |
|
<=== |
| Show |
|
87317 |
19 31 36 +26 59 12 |
HDS 2774 AC |
2015 |
2 |
116 |
2.0 |
7.41 |
|
|
|
|
| Show |
|
87317 |
19 31 36 +26 59 12 |
HDS 2774 AD |
2015 |
2 |
104 |
2.2 |
7.41 |
|
|
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V391 Vul |
|
Constellation |
Vulpecula |
|
SAO |
87317 |
|
HIP |
96034 |
|
| Tycho2 |
2133-02080-1 |
|
HD |
184059 |
|
BD |
BD+26 3574 |
|
Distance |
16666.67 |
|
| Distance ly |
54366.68 |
|
