... are the standard stars for measuring distances out to the Virgo Cluster of galaxies ... Galaxies The Virgo cluster, 54 million light years from us, includes about 1500 ... and spiral galaxies in a large cluster, to see galaxies interacting in a mutual ...
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Ссылки http://www.astro.louisville.edu/shared_skies/documents/shared_skies_student_projects.pdf -- 81.7 Кб -- 17.10.2011 Похожие документы
... Creating Contours on a Dataset This thread uses Chandra data from an observation of the galaxycluster Abell 2142 (ObsID 5005 ... The examples use Chandra data from an observation of the galaxycluster Abell 2142 (ObsID 5005). ...
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Ссылки http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/docs/ds9/ds9_user.pdf -- 2047.3 Кб -- 30.05.2011 Похожие документы
... and camera combination provided realistic color images of stars at least as faint as 16th magnitude, and detail as small as 1 arcsecond, in exposure times from a fraction of a second for planets to 30 seconds for nebulae, star clusters, and galaxies ...
... The large open cluster NGC 3532 is east of eta Carina left of center, and the smaller cluster NGC 3114 is on the western edge of the image slightly below center. ...
... I --> T1 # II --> T2 # III --> T3 # IV --> T4 # # B-) Globular Clusters Concentration Class: # Original XEphem # I to IX --> G1 to G9 and then: # X --> G0 # XI --> Ga # XII --> Gb # # C-) Galaxy Sub-Types: # Original XEphem # Sab --> S1 # Sbc --> S2 # Scd ...