The X-ray properties of the cometary blue compact dwarf galaxies Mrk 59 and Mrk 71
نویسندگان
چکیده
منابع مشابه
FUSE observations of the Blue Compact Dwarf Galaxy Mrk 59
New FUSE far-UV spectroscopy of the nearby metal-deficient (Z⊙/8) cometary Blue Compact Dwarf (BCD) galaxy Markarian (Mrk) 59 is discussed. The data are used to investigate element abundances in its interstellar medium. The H i absorption lines are characterized by narrow cores which are interstellar in origin and by broad wings which are stellar in origin. The mean interstellar H i column dens...
متن کاملThe cometary blue compact dwarf galaxies Mkn 59 and Mkn 71 A clue to dwarf galaxy evolution ?
“Cometary” Blue Compact Dwarf Galaxies (iI,C BCDs) are characterized by an off–center starburst close to the end of their elongated stellar bodies. This rare phenomenon may carry some clues on how collective star formation ignites and propagates in gas–rich low–mass stellar systems. This off– center burst may be a fortuitous enhancement of the otherwise moderate star–forming activity of a dwarf...
متن کاملThe Mid-Infrared Properties of Blue Compact Dwarf Galaxies
The unprecedented sensitivity of the Spitzer Space Telescope has enabled us for the first time to detect a large sample of Blue Compact Dwarf galaxies (BCDs), which are intrinsically faint in the infrared. In the present paper we present a summary of our findings which providing essential information on the presence/absence of the Polycyclic Aromatic Hydrocarbon features in metal-poor environme...
متن کاملThe Nonlinear Long - term X - ray Variability of Mrk 421
In this work, I present the results of a thorough nonlinear time series analysis study concerning the long-term variability behaviour of Mrk 421. I use all the archival data obtained by the proportional counter array (PCA) and the all-sky monitor (ASM) aboard the Rossi X-ray timing explorer (RXTE), since 1996. Linearity and stationarity tests reveal that the long-term timing properties of the s...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2014
ISSN: 1365-2966,0035-8711
DOI: 10.1093/mnras/stu716