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pro vyhledávání: '"Helfer, Tamara T."'
We present observations of the HCN and HCO+ J=1-0 transitions in the center of the nearby spiral galaxy NGC 6946 made with the BIMA and CARMA interferometers. Using the BIMA SONG CO map, we investigate the change in the I_HCN/I_CO and I_ HCO/I_CO int
Externí odkaz:
http://arxiv.org/abs/0710.0168
Autor:
Helfer, Tamara T., Thornley, Michele D., Regan, Michael W., Wong, Tony, Sheth, Kartik, Vogel, Stuart N., Blitz, Leo, Bock, Douglas C. -J.
Publikováno v:
Astrophys.J.Suppl. 145 (2003) 259-328
The BIMA Survey of Nearby Galaxies is a systematic imaging study of the 3 mm CO J = 1--0 molecular emission within the centers and disks of 44 nearby spiral galaxies. The typical spatial resolution of the survey is 6", or 360 pc at the average distan
Externí odkaz:
http://arxiv.org/abs/astro-ph/0304294
Autor:
Regan, Michael W., Thornley, Michele D., Helfer, Tamara T., Sheth, Kartik, Wong, Tony, Vogel, Stuart N., Blitz, Leo, Bock, Douglas C. -J.
We present the first results of the BIMA Survey of Nearby Galaxies (BIMA SONG), an imaging survey of the CO J=(1-0) emission in 44 nearby spiral galaxies at a typical resolution of 6". BIMA SONG differs from previous high-resolution CO surveys in tha
Externí odkaz:
http://arxiv.org/abs/astro-ph/0107211
Autor:
Sheth, Kartik, Vogel, Stuart N., Harris, Andrew I., Regan, Michael W., Thornley, Michele D., Helfer, Tamara T., Wong, Tony, Blitz, Leo, Bock, Douglas C. -J.
Using a sample of 7 barred spirals from the BIMA Survey of Nearby Galaxies (SONG), we compare the molecular gas distribution in the bar, to recent massive star formation activity. In all 7 galaxies, Halpha is offset azimuthally from the CO on the dow
Externí odkaz:
http://arxiv.org/abs/astro-ph/0008088
Autor:
Helfer, Tamara T., Blitz, Leo
We present a study of dense gas emission in the Milky Way in order to serve as a basis for comparison with extragalactic results. This study combines new observations of HCN, CS, and CO in individual GMCs and in the Milky Way plane with published stu
Externí odkaz:
http://arxiv.org/abs/astro-ph/9610102
Autor:
Helfer, Tamara T., Blitz, Leo
We present BIMA observations of the HCN emission from five nearby spiral galaxies. The HCN observations comprise the first high-resolution (5--10\arcsec) survey of dense molecular gas from a sample of normal galaxies, rather than galaxies with prolif
Externí odkaz:
http://arxiv.org/abs/astro-ph/9610103
Autor:
Helfer, Tamara T., Blitz, Leo
We present high-resolution CO, HCN, and 13CO maps of the inner arcminute of NGC 1068 made with the BIMA interferometer. Several features appear in the CO map which have not previously been observed: (1) a firm detection of CO line emission from a com
Externí odkaz:
http://arxiv.org/abs/astro-ph/9508140
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2002 Mar . 114(793), 350-371.
Externí odkaz:
https://www.jstor.org/stable/10.1086/339189
Akademický článek
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Autor:
Helfer, Tamara T., Blitz, Leo
Publikováno v:
The Astrophysical Journal; January 2008, Vol. 673 Issue: 1 p183-192, 10p