17250-2022 DON 838 (HD 157610)
17h 25m 02.59s -20° 21' 44.2" P.A. 340.00 sep 0.4 mag 11.00,11.40 Sp B9V
| Coord 2000 |
17250-2022 |
|
Discov num |
DON 838 |
|
Comp |
|
|
Coord arcsec 2000 |
17 25 02.59 -20 21 44.2 |
|
| Date first |
1932 |
|
Date last |
1951 |
|
Obs |
4 |
|
| Pa first |
337 |
|
Pa last |
340.1 |
|
P.A. Now (θ) |
340.1° |
|
| Sep first |
0.4 |
|
Sep last |
0.4 |
|
Sep. Now (ρ) |
0.4" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157610 |
|
Constellation |
Ophiuchus |
|
Tycho2 |
6242-01183-1 |
|
Gaia DR2 |
4121286824372139520 |
|
| HD |
157610 |
|
