19507+4851 HU 684 (HD 187980)
19h 50m 42.92s +48° 51' 05.6" P.A. 236.00 sep 0.1 mag 9.40,9.40 Sp F8
| Coord 2000 |
19507+4851 |
|
Discov num |
HU 684 |
|
Comp |
|
|
Coord arcsec 2000 |
19 50 42.92 +48 51 05.6 |
|
| Date first |
1904 |
|
Date last |
2008 |
|
Obs |
20 |
|
| Pa first |
175 |
|
Pa last |
236.4 |
|
P.A. Now (θ) |
236.4° |
|
| Sep first |
0.9 |
|
Sep last |
0.101 |
|
Sep. Now (ρ) |
0.101" |
|
| Mag pri |
9.40 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+020 |
|
Sec motion ra |
|
|
| Pri motion dec |
-115 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 187980 |
|
Constellation |
Cygnus |
|
SAO |
48899 |
|
Tycho2 |
3565-01246-1 |
|
| Gaia DR2 |
2086759755403523456 |
|
HD |
187980 |
|
