20447-0721 A 2999 (HD 197553)
20h 44m 40.02s -07° 20' 50.2" P.A. 221.00 sep 2.1 mag 10.01,10.76 Sp G5
| Coord 2000 |
20447-0721 |
|
Discov num |
A 2999 |
|
Comp |
|
|
Coord arcsec 2000 |
20 44 40.02 -07 20 50.2 |
|
| Date first |
1915 |
|
Date last |
2018 |
|
Obs |
10 |
|
| Pa first |
229 |
|
Pa last |
221.4 |
|
P.A. Now (θ) |
221.4° |
|
| Sep first |
2.0 |
|
Sep last |
2.052 |
|
Sep. Now (ρ) |
2.052" |
|
| Mag pri |
10.01 |
|
Mag sec |
10.76 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+030 |
|
Sec motion ra |
+030 |
|
| Pri motion dec |
-040 |
|
Sec motion dec |
-040 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197553 |
|
Constellation |
Aquarius |
|
Tycho2 |
5189-00893-1 |
|
Gaia DR2 |
6907047452012980736 |
|
| HD |
197553 |
|
