... first being the same region of NGC 104 (47Tuc), which was used by the ACS team to ... F225W, F275W and F336W. However, since 47Tuc is a metal rich globular cluster with ...
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Ссылки http://www.stsci.edu/hst/wfc3/documents/ISRs/WFC3-2009-06.pdf -- 1854.4 Кб -- 23.09.2009 Похожие документы
... reference file, 6 external orbits (low and high signal ramps of 47Tuc) are also used. 5 3. 16 to verify the stability of the ... by different levels of crowding and background (2 fields in 47Tuc and 1 in NGC 6791) to calibrate the photometric and ...
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Ссылки http://www.stsci.edu/hst/wfc3/documents/ISRs/WFC3-2012-04.pdf -- 815.5 Кб -- 05.02.2013 Похожие документы
... the many observations that have been taken of the outer calibration field of 47Tuc ... over time, I initiated a comprehensive study of the calibration field in 47Tuc ...
... several years of repeated observations of 47Tuc to demonstrate the stability with ... scale, and skew terms, using repeated observations of the globular cluster 47Tuc ...
... The outskirts of 47Tuc (6' west) will be observed during five one orbit external ... photometric behavior of point sources will be studied using observations of 47Tuc ...
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Ссылки http://www.stsci.edu/hst/wfc3/documents/ISRs/WFC3-2011-14.pdf -- 405.1 Кб -- 05.02.2013 Похожие документы
... have imaged the central regions of 47Tuc, using for this purpose the ultraviolet ... for the second epoch observations of 47Tuc, Meylan et al. have serendipitously ...
... Is 47Tuc Young? Measuring its White Dwarf Cooling Age and Completing a Hubble Legacy . 11691 . ... GO 11677: Is 47Tuc Young? Measuring its White Dwarf Cooling Age and Completing a Hubble Legacy . ...
... Newark, DE . University of Delaware . Oral . A Deep, Panchromatic View of 47Tuc and the SMC . Oct 2011 . Beijing, China . Kavli Institute (KIAA) . ...
... Using only two bits for the noise level on the WFC 47Tuc image produced a compression factor of 11. ... 2 29 2 10 Image HRC 47Tuc WFC 47Tuc Light Echo Galaxies Table 3. Compression factors and times with 3 bits of noise. ...
... Is 47Tuc Young? Measuring its White Dwarf Cooling Age and Completing a Hubble Legacy . 11692 . ... GO 11677: Is 47Tuc Young? Measuring its White Dwarf Cooling Age and Completing a Hubble Legacy . ...