19384+0021 BU 249 AB (HD 185297)
19h 38m 21.68s +00° 20' 43.6" P.A. 106.00 sep 0.8 mag 7.40,9.41 Sp A7IV dist. 106.16 pc (346.29 l.y.)
| Coord 2000 |
19384+0021 |
|
Discov num |
BU 249 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 38 21.68 +00 20 43.6 |
|
| Date first |
1875 |
|
Date last |
2013 |
|
Obs |
47 |
|
| Pa first |
142 |
|
Pa last |
106.3 |
|
P.A. Now (θ) |
106.3° |
|
| Sep first |
1.3 |
|
Sep last |
0.845 |
|
Sep. Now (ρ) |
0.845" |
|
| Mag pri |
7.40 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
2.01 |
|
Spectral class |
A7IV (white) |
|
| Pri motion ra |
+025 |
|
Sec motion ra |
+025 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
+011 |
|
| Notes |
|
|
Nature of this double is uncertain.
19384+0021 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 185297 |
124878 |
19 38 22 +00 20 44 |
BU 249 AB |
2013 |
47 |
106 |
0.8 |
7.40 |
9.41 |
2.01 |
|
<=== |
| Show |
|
124878 |
19 38 22 +00 20 44 |
BU 249 AC |
2015 |
7 |
122 |
17.3 |
7.40 |
14.20 |
6.80 |
|
|
| Show |
|
124878 |
19 38 22 +00 20 44 |
LV 22 AD |
2015 |
7 |
54 |
33.6 |
7.40 |
11.40 |
4.00 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 185297 |
|
Constellation |
Aquila |
|
SAO |
124878 |
|
HIP |
96603 |
|
| Tycho2 |
0479-01987-1 |
|
Gaia DR2 |
4239286206114617088 |
|
HD |
185297 |
|
GC |
27160 |
|
| BD |
BD+00 4265 |
|
Distance |
106.16 |
|
Distance ly |
346.29 |
|
