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相关论文: Star Formation Rate Distribution in the Galaxy NGC…

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NGC 1232 is a face-on spiral galaxy that serves as an excellent laboratory for the study of star formation due to its proximity. Recent studies have revealed interesting features about this galaxy: X-ray observations suggest that it…

星系天体物理 · 物理学 2020-09-15 Fabiana Lima-Costa , Lucimara P. Martins , Alberto Rodríguez-Ardila , Luciano Fraga

Abridged: We present a detailed investigation of the morphological distribution and level of star formation and dust obscuration in the nearby tidally distorted galaxy NGC2442. Spitzer images in the IR at 3.6, 4.5, 5.8, 8.0um, and 24um and…

星系天体物理 · 物理学 2015-05-19 Anna Pancoast , Anna Sajina , Mark Lacy , Alberto Noriega-Crespo , Jeonghee Rho

The distributions of size and luminosity for star-forming regions in the nearby spiral galaxy NGC 628 are studied over a wide range of scales using progressively blurred versions of an image from the Hubble Space Telescope Advanced Camera…

天体物理学 · 物理学 2009-11-11 Bruce G. Elmegreen , Debra Meloy Elmegreen , Rupali Chandar , Brad Whitmore , Michael Regan

We have analyzed high velocity resolution HI synthesis observations of the nearly face-on Sc galaxy NGC 1232. The neutral gas distribution extends well beyond the optical extent of the galaxy. As expected, local peaks in the HI column…

天体物理学 · 物理学 2009-10-31 L. van Zee , J. Bryant

We present multiband photometric observations of three spiral galaxies selected in a sample suited for the study of young stellar groupings and their relationship with the parent galaxy and the galactic environment. Star forming regions…

天体物理学 · 物理学 2007-05-23 P. Battinelli , R. Capuzzo-Dolcetta , P. W. Hodge , A. Vicari , T. K. Wyder

We report the discovery of a probable dwarf galaxy colliding with NGC 1232. This collision is visible only in the X-ray spectral band, and it is creating a region of shocked gas with a temperature of 5.8 MK covering an impact area 7.25 kpc…

宇宙学与河外天体物理 · 物理学 2015-06-16 Gordon P. Garmire

(Abridged) We present a comprehensive analysis of the relationship between star formation rate surface density (SFR SD) and gas surface density (gas SD) at sub-kpc resolution in a sample of 18 nearby galaxies. We use high resolution HI data…

We present the H-alpha flux measurements for 44 nearby dwarf galaxies, derived from the observations at the 6-m BTA telescope. H-alpha fluxes were used to determine the rate of integral star formation of galaxies, SFR. For the observed…

宇宙学与河外天体物理 · 物理学 2015-06-17 S. S. Kaisin , I. D Karachentsev

We report the measured H$\alpha$ fluxes and images of 66 nearby objects observed with the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences. Three of these objects: IC2233, UGC4704, and NGC3432 are…

星系天体物理 · 物理学 2019-05-01 S. S. Kaisin , I. D Karachentsev

NGC 5291, an early-type galaxy surrounded by a giant HI ring, is believed to be formed from collision with another galaxy. Several star forming complexes and tidal dwarf galaxies are distributed along the collisional ring which are sites of…

We present H\alpha{} fluxes, star formation rates (SFRs) and equivalent widths (EWs) for a sample of 156 nearby galaxies observed in the 12CO J=3-2 line as part of the James Clerk Maxwell Telescope Nearby Galaxies Legacy Survey. These are…

宇宙学与河外天体物理 · 物理学 2015-06-04 J. R. Sánchez-Gallego , J. H. Knapen , C. D. Wilson , P. Barmby , M. Azimlu , S. Courteau

A sample of 69 galaxies with radial velocities less than 2500 km/s was selected from the HI Parkes All Sky Survey (HIPASS) to deduce details about star formation in nearby disk galaxies selected with no bias to optical surface brightness…

天体物理学 · 物理学 2009-11-11 J. F. Helmboldt , R. A. M. Walterbos , G. D. Bothun , K. O'Neil

Star formation (SF) takes place in unusual places such as way out in the intergalactic medium out of material expelled from parent galaxies. We wish to answer whether SF proceeds in this specific environment in a similar way than in…

天体物理学 · 物理学 2009-11-13 M. Boquien , P. -A. Duc , J. Braine , E. Brinks , U. Lisenfeld , V. Charmandaris

We observe the almost edge-on (i $\sim$ 90 degrees) galaxy NGC 4302 using ALMA (CO) and VLA (H I) to measure the gas disk thickness for investigating the volumetric star formation law (SFL). The recent star formation rate (SFR) is estimated…

星系天体物理 · 物理学 2023-02-08 Kijeong Yim , Tony Wong , Richard J. Rand

The halos of disk galaxies form a crucial connection between the galaxy disk and the intergalactic medium. Massive stars, HII regions, or dwarf galaxies located in the halos of galaxies are potential tracers of recent accretion and/or…

星系天体物理 · 物理学 2018-11-28 Y. Stein , D. J. Bomans , P. Kamphuis , E. Jütte , M. Langener , R. -J. Dettmar

(abridged)We present the observations of the pair of interacting galaxies NGC6285/86 carried out with the 6m SAO RAS telescope by using 1D and 2D spectroscopy. The observations of NGC6286 with a long-slit spectrograph (UAGS) near the…

天体物理学 · 物理学 2009-11-10 L. V. Shalyapina , A. V. Moiseev , V. A. Yakovleva , V. A. Hagen-Thorn , A. N. Burenkov

A distance-limited sample of 869 objects from the Updated Nearby Galaxy Catalog is used to characterize the star formation status of the Local Volume population. We present a compiled list of 1217 star formation rate (SFR) estimates for 802…

宇宙学与河外天体物理 · 物理学 2015-06-16 Igor D. Karachentsev , Elena I. Kaisina

Archival Chandra observations are used to study the X-ray emission associated with star formation in the central region of the nearby SAB(s)cd galaxy NGC 2403. The distribution of X-ray emission is compared to the morphology visible at…

宇宙学与河外天体物理 · 物理学 2015-05-14 Mihoko Yukita , Douglas A. Swartz , Allyn F. Tennant , Roberto Soria

The star-forming regions (SFRs) in the peculiar galaxies NGC 660, NGC 1512, NGC 4395 and NGC 4618 are studied. The relationships between such characteristics of star forming regions as UV, nearand far-IR fluxes, as well as in the Halpha and…

星系天体物理 · 物理学 2020-10-13 K. I. Smirnova , D. S. Wiebe , A. V. Moiseev , G. I. G. Józsa

A number of very small isolated HII regions have been discovered at projected distances up to 30 kpc from their nearest galaxy. These HII regions appear as tiny emission line objects in narrow band images obtained by the NOAO Survey for…

天体物理学 · 物理学 2015-06-24 E. V. Ryan-Weber , G. R. Meurer , K. C. Freeman , M. E. Putman , R. L. Webster , the SINGG team
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