دورية أكاديمية
Spectacular Hubble Space Telescope Observations of the Coma Galaxy D100 and Star Formation in Its Ram Pressure–stripped Tail.
العنوان: | Spectacular Hubble Space Telescope Observations of the Coma Galaxy D100 and Star Formation in Its Ram Pressure–stripped Tail. |
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المؤلفون: | W. J. Cramer, J. D. P. Kenney, M. Sun, H. Crowl, M. Yagi, P. Jáchym, E. Roediger, W. Waldron |
المصدر: | Astrophysical Journal; 1/10/2019, Vol. 870 Issue 2, p1-1, 1p |
مصطلحات موضوعية: | STAR formation, GALAXY clusters, GALACTIC evolution, INTERSTELLAR medium, STELLAR magnitudes, STELLAR populations, STELLAR mass |
الشركة/الكيان: | HUBBLE Space Telescope (Spacecraft) |
مستخلص: | We present new HST F275W, F475W, and F814W imaging of the region of the Coma cluster around D100, a spiral galaxy with a remarkably long and narrow (60 × 1.5 kpc) ram pressure–stripped gas tail. We find blue sources coincident with the Hα tail, which we identify as young stars formed in the tail. We also determine they are likely to be unbound stellar complexes with sizes of ∼50–100 pc, likely to disperse as they age. From a comparison of the colors and magnitudes of the young stellar complexes with simple stellar population models, we find ages ranging from ∼1 to 50 Myr and masses ranging from 103 to ∼105M |
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قاعدة البيانات: | Complementary Index |
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