Poчetna     Да почнемо     To Survive in the Universe    
Inhabited Sky
    News@Sky     Астро Фотографије     Колекција     Форум     Blog New!     FAQ(Често постављана питања     Штампа     Улогуј се  

HD 156263


Садржај

Слике

Уплоадјуј своје слике

DSS Images   Other Images


Везани чланци

Proper motion study of the globular cluster M 92.
We present proper motions for stars in the field of the galacticglobular cluster NGC6341 (M92). This study continues the series ofpapers from the Bonn programme of globular cluster proper motions.Plates taken with the Bonn double refractor and the Rozhen observatory2m Ritchey-Chretien telescope with a maximal epoch difference of 94yearswere used. Relative proper motions for all well-measurable stars in the1.5degx1.5deg field covered by the plates were derived. Median propermotion errors are 0.8milliarcsec/year (mas/a) for stars brighter thanabout V=16.7mag. The cluster membership of UV-bright and variable starsis discussed. The proper motions are compared with the accurate relativeproper motions of Rees (1992) and with the absolute proper motions fromSchmidt plates referred to galaxies of Scholz et al. (1994). The lattercomparison enables us to tie the proper motions of the stars and themean proper motion of M92 to an inertial system. This calibration has anuncertainty of about 1.0mas/a. The absolute proper motions of Hipparcosstars in the field will be useful for the extragalactic calibration ofthe Hipparcos proper motion system. The data for 642 stars within 18.6'from the cluster centre is available via the CDS (Centre des DonneesAstronomiques Strasbourg) Data Centre.

Додај нови чланак


Линкови у сродству са темом

  • - Нема линкова -
Додај нови линк


Чланови следећих група \:


Посматрања и Астрометриски подаци

Сазвежђа:Херкулес
Ректацензија:17h14m29.19s
Deклинација:+43°30'42.5"
Apparent магнитуда:9.487
Proper motion RA:4.1
Proper motion Dec:-4.7
B-T magnitude:9.867
V-T magnitude:9.519

Каталог и designations:
Proper имена   (Edit)
HD 1989HD 156263
TYCHO-2 2000TYC 3085-1120-1
USNO-A2.0USNO-A2 1275-09253290
HIPHIP 84333

→ Захтевај још каталога од VizieR