Cool dust heating and temperature mixing in nearby star-forming galaxies
نویسندگان
چکیده
منابع مشابه
Star formation and dust extinction in nearby star forming and starburst galaxies
We study the star formation rate and dust extinction properties of a sample of nearby star forming galaxies as derived from Hα and UV (∼ 2000 Å) observations and we compare them to those of a sample of starburst galaxies. The dust extinction in Hα is estimated from the Balmer decrement and the extinction in UV using the FIR to UV flux ratio or the attenuation law for starburst galaxies of Calze...
متن کاملExtraplanar Dust and Star Formation in Nearby Edge-On Galaxies
We present high-resolution (∼< 0. 7) ground-based images of the edge-on spiral galaxies NGC 891 (D ∼ 9.5 Mpc) and NGC 4013 (D ∼ 17 Mpc) acquired with the WIYN 3.5-m telescope. These BVI+Hα images reveal complex webs of dusty interstellar material far above the midplanes of both galaxies (0.5 ∼< |z| ∼< 2 kpc) as discussed previously by Howk & Savage (1997). The dusty high-z clouds, visible in ab...
متن کاملEvolution of Star Forming and Active Galaxies in Nearby Clusters
We have used optical spectroscopy to investigate the active galaxy populations in a sample of 20 nearby Abell clusters. The targets were identified on the basis of 1.4 GHz radio emission, which identifies them as either AGN or galaxies forming stars at rates comparable to or greater than that of the Milky Way. The spectra were used to characterize the galaxies via their emission and absorption ...
متن کاملUbiquitous Water Masers in Nearby Star-forming Galaxies
We report the detection of water maser emission from four nearby galaxies hosting ultradense H II (UDHII) regions, He 2-10, the Antennae galaxies (NGC 4038/4039), NGC 4214, and NGC 5253, with the Green Bank Telescope. Our detection rate is 100%, and all of these H2O “kilomasers” (LH2O < 10 L⊙) are located toward regions of known star formation as traced by UDHII regions and bright 24 μm emissio...
متن کاملAn Integrated Spectrophotometric Survey of Nearby Star-Forming Galaxies
We present integrated optical spectrophotometry for a sample of 417 nearby galaxies. Our observations consist of spatially integrated, S/N = 10− 100 spectroscopy between 3600 and 6900 Å at ∼ 8 Å FWHM resolution. In addition, we present nuclear (2. 5 × 2. 5) spectroscopy for 153 of these objects. Our sample targets a diverse range of galaxy types, including starbursts, peculiar galaxies, interac...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2015
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361/201424734