20068-4031 WG 250 (HD 190478)
20h 06m 46.19s -40° 30' 57.1" P.A. 330.00 sep 16.7 mag 10.00,10.40 Sp A7/8III/
| Coord 2000 |
20068-4031 |
|
Discov num |
WG 250 |
|
Comp |
|
|
Coord arcsec 2000 |
20 06 46.19 -40 30 57.1 |
|
| Date first |
1879 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
331 |
|
Pa last |
329.8 |
|
P.A. Now (θ) |
329.8° |
|
| Sep first |
14.0 |
|
Sep last |
16.716 |
|
Sep. Now (ρ) |
16.716" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
A7/8III/ (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+009 |
|
| Notes |
N
(See Notes) |
|
rPM=0.668
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 190478 |
|
Constellation |
Sagittarius |
|
Tycho2 |
7951-00983-1 |
|
Gaia DR2 |
6687450378374460160 |
|
| HD |
190478 |
|
