Садржај
Слике
Уплоадјуј своје слике
DSS Images Other Images
Везани чланци
Photometric Measurements of the Fields of More than 700 Nearby Stars
In preparation for optical/IR interferometric searches for substellarcompanions of nearby stars, we undertook to characterize the fields ofall nearby stars visible from the Northern Hemisphere to determinesuitable companions for interferometric phase referencing. Because theKeck Interferometer in particular will be able to phase-reference oncompanions within the isoplanatic patch (30") to about 17th magnitude atK, we took images at V, r, and i that were deep enough to determine iffield stars were present to this magnitude around nearby stars using aspot-coated CCD. We report on 733 fields containing 10,629 measurementsin up to three filters (Gunn i, r and Johnson V) of nearby stars down toabout 13th magnitude at V.
|
Додај нови чланак
Линкови у сродству са темом
Додај нови линк
Чланови следећих група \:
|
Посматрања и Астрометриски подаци
| Сазвежђа: | Хидра |
| Ректацензија: | 14h59m51.08s |
| Deклинација: | -27°33'48.5" |
| Apparent магнитуда: | 9.347 |
| Proper motion RA: | -54.5 |
| Proper motion Dec: | -15.2 |
| B-T magnitude: | 10.117 |
| V-T magnitude: | 9.411 |
Каталог и designations:
|
