19215-0807 J 2265 (HD 181640)
19h 21m 34.21s -08° 07' 05.9" P.A. 278.00 sep 3.5 mag 10.89,11.25 Sp F8
| Coord 2000 |
19215-0807 |
|
Discov num |
J 2265 |
|
Comp |
|
|
Coord arcsec 2000 |
19 21 34.21 -08 07 05.9 |
|
| Date first |
1942 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
275 |
|
Pa last |
278.4 |
|
P.A. Now (θ) |
278.4° |
|
| Sep first |
4.0 |
|
Sep last |
3.494 |
|
Sep. Now (ρ) |
3.494" |
|
| Mag pri |
10.89 |
|
Mag sec |
11.25 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 181640 |
|
Constellation |
Aquila |
|
Tycho2 |
5709-01232-1 |
|
Gaia DR2 |
4201550455954018304 |
|
| HD |
181640 |
|
