19507-4454 DON 970
19h 50m 39.32s -44° 53' 39.4" P.A. 199.00 sep 2.3 mag 10.36,13.40 Sp A9V
| Coord 2000 |
19507-4454 |
|
Discov num |
DON 970 |
|
Comp |
|
|
Coord arcsec 2000 |
19 50 39.32 -44 53 39.4 |
|
| Date first |
1929 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
201 |
|
Pa last |
199.3 |
|
P.A. Now (θ) |
199.3° |
|
| Sep first |
1.8 |
|
Sep last |
2.297 |
|
Sep. Now (ρ) |
2.297" |
|
| Mag pri |
10.36 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
3.04 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-023 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
7946-00924-1 |
|
Gaia DR2 |
6684272789769389952 |
|
HD |
187187 |
|
