20153+2536 BU 983 AB (QR Vul)
20h 15m 15.89s +25° 35' 31.1" P.A. 190.00 sep 0.4 mag 4.80,7.55 Sp B3V dist. 303.95 pc (991.48 l.y.)
| Coord 2000 |
20153+2536 |
|
Discov num |
BU 983 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 15 15.89 +25 35 31.1 |
|
| Date first |
1879 |
|
Date last |
2016 |
|
Obs |
31 |
|
| Pa first |
154 |
|
Pa last |
190.1 |
|
P.A. Now (θ) |
190.1° |
|
| Sep first |
0.8 |
|
Sep last |
0.433 |
|
Sep. Now (ρ) |
0.433" |
|
| Mag pri |
4.80 |
|
Mag sec |
7.55 |
|
delta mag (ΔM) |
2.75 |
|
Spectral class |
B3V (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20153+2536 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
QR Vul |
88410 |
20 15 16 +25 35 31 |
BU 983 AB |
2016 |
31 |
190 |
0.4 |
4.80 |
7.55 |
2.75 |
|
<=== |
| Show |
|
88410 |
20 15 16 +25 35 31 |
BU 983 AC |
2015 |
6 |
83 |
115.7 |
4.80 |
9.70 |
4.90 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
QR Vul |
|
Constellation |
Vulpecula |
|
SAO |
88410 |
|
HIP |
99824 |
|
| Tycho2 |
2159-02068-1 |
|
Gaia DR2 |
1835335977682835200 |
|
HD |
192685 |
|
HR |
7739 |
|
| GC |
28140 |
|
ADS |
13589 |
|
BD |
BD+25 4165 |
|
Distance |
303.95 |
|
| Distance ly |
991.48 |
|
