18428-1523 HLD 145 (HD 172812)
18h 42m 45.37s -15° 23' 19.4" P.A. 51.00 sep 1.5 mag 9.54,9.81 Sp G8V
| Coord 2000 |
18428-1523 |
|
Discov num |
HLD 145 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 45.37 -15 23 19.4 |
|
| Date first |
1882 |
|
Date last |
2017 |
|
Obs |
11 |
|
| Pa first |
40 |
|
Pa last |
51 |
|
P.A. Now (θ) |
51° |
|
| Sep first |
1.0 |
|
Sep last |
1.498 |
|
Sep. Now (ρ) |
1.498" |
|
| Mag pri |
9.54 |
|
Mag sec |
9.81 |
|
delta mag (ΔM) |
0.27 |
|
Spectral class |
G8V (yellow) |
|
| Pri motion ra |
-019 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-012 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172812 |
|
Constellation |
Scutum |
|
Tycho2 |
6280-00370-1 |
|
Gaia DR2 |
4100365729436119808 |
|
| HD |
172812 |
|
