19413+3043 BU 145 AC
19h 41m 15.48s +30° 43' 16.8" P.A. 28.00 sep 7.9 mag 7.40,13.50 Sp A3V dist. 757.58 pc (2471.23 l.y.)
| Coord 2000 |
19413+3043 |
|
Discov num |
BU 145 |
|
Comp |
AC |
|
Coord arcsec 2000 |
19 41 15.48 +30 43 16.8 |
|
| Date first |
1878 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
33 |
|
Pa last |
28 |
|
P.A. Now (θ) |
28° |
|
| Sep first |
8.5 |
|
Sep last |
7.905 |
|
Sep. Now (ρ) |
7.905" |
|
| Mag pri |
7.40 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
6.1 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19413+3043 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 186097 |
68695 |
19 41 15 +30 43 17 |
BU 145 AB |
2011 |
28 |
271 |
0.9 |
7.40 |
9.09 |
1.69 |
|
|
| Show |
|
68695 |
19 41 15 +30 43 17 |
BU 145 AC |
2015 |
13 |
28 |
7.9 |
7.40 |
13.50 |
6.10 |
|
<=== |
| Show |
|
68695 |
19 41 15 +30 43 17 |
BU 145 AD |
2015 |
14 |
156 |
26.7 |
7.40 |
11.87 |
4.47 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
68695 |
|
HIP |
96858 |
|
Tycho2 |
2656-05255-1 |
|
| Gaia DR2 |
2032917942356004736 |
|
HD |
186097 |
|
BD |
BD+30 3692 |
|
Distance |
757.58 |
|
| Distance ly |
2471.23 |
|
