22470-1919 HDO 172
22h 47m 02.98s -19° 19' 17.9" P.A. 83.00 sep 22.1 mag 9.71,15.20 Sp G1V
| Coord 2000 |
22470-1919 |
|
Discov num |
HDO 172 |
|
Comp |
|
|
Coord arcsec 2000 |
22 47 02.98 -19 19 17.9 |
|
| Date first |
1868 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
90 |
|
Pa last |
83.2 |
|
P.A. Now (θ) |
83.2° |
|
| Sep first |
15.0 |
|
Sep last |
22.148 |
|
Sep. Now (ρ) |
22.148" |
|
| Mag pri |
9.71 |
|
Mag sec |
15.20 |
|
delta mag (ΔM) |
5.49 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-144 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
Tycho2 |
6390-01151-1 |
|
Gaia DR2 |
2401407165421067776 |
|
HD |
215654 |
|
