The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Astrometry and photometry of 115 stars down to B=17.6 in a 11' x 11' region around NGC 4147 were made. The astrometry was based on three plates taken at Shanghai in 1958, four CCD frames taken at Kavalur, India, in 1996, and some data given by Brosche et al. in 1985. The central overlap principle was used in the reduction. The membership probabilities of the stars were calculated using the proper...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.