20448+2311 BU 1302 AB
20h 44m 49.24s +23° 11' 07.1" P.A. 138.00 sep 2.3 mag 8.80,12.90 Sp A0
| Coord 2000 |
20448+2311 |
|
Discov num |
BU 1302 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 44 49.24 +23 11 07.1 |
|
| Date first |
1901 |
|
Date last |
2018 |
|
Obs |
8 |
|
| Pa first |
139 |
|
Pa last |
137.7 |
|
P.A. Now (θ) |
137.7° |
|
| Sep first |
2.1 |
|
Sep last |
2.28 |
|
Sep. Now (ρ) |
2.28" |
|
| Mag pri |
8.80 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
4.1 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20448+2311 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
89082 |
20 44 49 +23 11 07 |
GII 291 Aa,Ab |
2014 |
1 |
119 |
0.1 |
9.60 |
9.60 |
0.00 |
|
|
| Show |
|
89082 |
20 44 49 +23 11 07 |
BU 1302 AB |
2018 |
8 |
138 |
2.3 |
8.80 |
12.90 |
4.10 |
|
<=== |
| Show |
HD 347384 |
89082 |
20 44 49 +23 11 07 |
BU 1302 AC |
2015 |
22 |
210 |
55.1 |
8.80 |
9.43 |
0.63 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
SAO |
89082 |
|
Tycho2 |
2170-01176-1 |
|
Gaia DR2 |
1842328218783724416 |
|
| HD |
347383 |
|
