17413-1838 DON 858
17h 41m 18.92s -18° 38' 28.2" P.A. 261.00 sep 2.6 mag 9.25,15.20 Sp Ap
| Coord 2000 |
17413-1838 |
|
Discov num |
DON 858 |
|
Comp |
|
|
Coord arcsec 2000 |
17 41 18.92 -18 38 28.2 |
|
| Date first |
1932 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
263 |
|
Pa last |
261.2 |
|
P.A. Now (θ) |
261.2° |
|
| Sep first |
1.8 |
|
Sep last |
2.602 |
|
Sep. Now (ρ) |
2.602" |
|
| Mag pri |
9.25 |
|
Mag sec |
15.20 |
|
delta mag (ΔM) |
5.95 |
|
Spectral class |
Ap (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
160745 |
|
Tycho2 |
6252-00149-1 |
|
Gaia DR2 |
4120193085185018240 |
|
| HD |
160544 |
|
