Neon and Oxygen Abundances in M33
- N. Crockett, D. Garnett, P. Massey, G. Jacoby
- Physics
- 1 May 2004
We present new spectroscopic observations of 13 H II regions in the Local Group spiral galaxy M33. The regions observed range from 1 to 7 kpc in distance from the nucleus. Of the 13 H II regions…
In-orbit performance of Herschel-HIFI
- P. Roelfsema, F. Helmich, U. Yıldız
- Physics
- 2012
Aims. In this paper the calibration and in-orbit performance of the Heterodyne Instrument for the Far-Infrared (HIFI) is described. Methods. The calibration of HIFI is based on a combination of…
DEUTERATED MOLECULES IN ORION KL FROM HERSCHEL/HIFI
- J. Neill, N. Crockett, E. Bergin, J. Pearson, Li-Hong Xu
- Physics
- 23 August 2013
We present a comprehensive study of the deuterated molecules detected in the fullband HIFI survey of the Orion Kleinmann-Low nebula (Orion KL) region. Ammonia, formaldehyde, and methanol and their…
THE ABUNDANCE OF H2O AND HDO IN ORION KL FROM HERSCHEL/HIFI
- J. Neill, Shiya Wang, G. Melnick
- Physics, Geology
- 10 May 2013
Using a broadband, high spectral resolution survey toward the Orion Kleinmann–Low nebula acquired with Herschel/HIFI as part of the Herschel Observations of Extra-Ordinary Sources key program, we…
HERSCHEL OBSERVATIONS OF EXTRAORDINARY SOURCES: ANALYSIS OF THE HIFI 1.2 THz WIDE SPECTRAL SURVEY TOWARD ORION KL. I. METHODS
- N. Crockett, E. Bergin, Shanshan Yu
- Physics
- 9 May 2014
We present a comprehensive analysis of a broadband spectral line survey of the Orion Kleinmann–Low nebula (Orion KL), one of the most chemically rich regions in the Galaxy, using the HIFI instrument…
Combined IRAM and Herschel/HIFI study of cyano(di)acetylene in Orion KL: tentative detection of DC3N
- G. Esplugues, J. Cernicharo, S. Wang
- Physics
- 2 September 2013
Context. We present a study of cyanoacetylene (HC3N) and cyanodiacetylene (HC5N) in Orion KL using observations from two line surveys performed with the IRAM 30-m telescope and the HIFI instrument…
HERSCHEL OBSERVATIONS OF EXTRAORDINARY SOURCES: ANALYSIS OF THE FULL HERSCHEL/HIFI MOLECULAR LINE SURVEY OF SAGITTARIUS B2(N)
- J. Neill, E. Bergin, Shanshan Yu
- Physics
- 4 May 2014
A sensitive broadband molecular line survey of the Sagittarius B2(N) star-forming region has been obtained with the Heterodyne Instrument for the Far-Infrared (HIFI) instrument on the Herschel Space…
HERSCHEL OBSERVATIONS OF EXTRA-ORDINARY SOURCES: H2S AS A PROBE OF DENSE GAS AND POSSIBLY HIDDEN LUMINOSITY TOWARD THE ORION KL HOT CORE
- N. Crockett, E. Bergin, J. Neill, J. Black, G. Blake, M. Kleshcheva
- Physics
- 10 January 2014
We present Herschel/HIFI observations of the light hydride H2S obtained from the full spectral scan of the Orion Kleinmann-Low nebula (Orion KL) taken as part of the Herschel Observations of…
Herschel observations of EXtra-Ordinary Sources (HEXOS): detecting spiral arm clouds by CH absorption lines
- S. Qin, P. Schilke, G. Chattopadhyay
- Physics
- 12 July 2010
We have observed CH absorption lines (J = 3/2, N = 1 <- J = 1/2, N = 1) against the continuum source Sgr B2(M) using the Herschel/HIFI instrument. With the high spectral resolution and wide velocity…
CSO AND CARMA OBSERVATIONS OF L1157. I. A DEEP SEARCH FOR HYDROXYLAMINE (NH2OH)
- B. McGuire, P. B. Carroll, A. Remijan
- Physics
- 12 September 2015
A deep search for the potential glycine precursor hydroxylamine (NH2OH) using the Caltech Submillimeter Observatory (CSO) at λ = 1.3 mm and the Combined Array for Research in Millimeter-wave…
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