Fonfría, José Pablo, Cernicharo, José, Richter, Matthew J., Lacy, John H.
A spectral survey of IRC+10216 has been carried out in the range 11 to 14 um with a spectral resolution of about 4 km/s. We have identified a forest of lines in six bands of C2H2 involving the...
Search for anions in molecular sources: C4H- detection in L1527 (2007)
Agúndez, Marcelino, Cernicharo, José, Guélin, Michel, Gerin, M., McCarthy, M. C., Thaddeus, P.
Based on observations carried out with the IRAM 30 m telescope. IRAM is supported by INSU/CNRS (France), MPG (Germany) and IGN (Spain).-- Accepted for publication in Astronomy & Astrophysics Letters.
Detection of circumstellar CH2CHCN, CH2CN, CH3CCH and H2CS (2007)
Agúndez, Marcelino, Fonfría, José Pablo, Cernicharo, José, Pardo Carrión, Juan Ramón, Guélin, Michel
Based on observations carried out with the IRAM 30-meter telescope. IRAM is supported by INSU/CNRS (France), MPG (Germany) and IGN (Spain).-- Accepted for publication in Astronomy & Astrophysics.
High-J v=0 SiS Maser Emission in IRC+10216: A New Case of Infrared Overlaps (2007)
Fonfría, José Pablo, Agúndez, Marcelino, Tercero, Belén, Pardo Carrión, Juan Ramón, Cernicharo, José
We report on the first detection of maser emission in the J=11-10, J=14-13 and J=15-14 transitions of the v=0 vibrational state of SiS toward the C-rich star IRC+10216. These masers seem to be...
Fonfría, José Pablo, Cernicharo, José, Richter, Matthew J., Lacy, John H.
Accepted for publication in the Astrophysical Journal.
Marcelino, Nuria, Cernicharo, José, Agúndez, Marcelino, Roueff, E., Gerin, M., Martín-Pintado, Jesús, ...
Accepted for publication in Astrophysical Journal Letters (ApJL).
N2H+ and N2D+ in interstellar molecular clouds. II- Observations (2007)
Daniel, F., Cernicharo, José, Roueff, E., Gerin, M., Dubernet, M.-L.
Accepted for publication in The Astrophysical Journal (ApJ).
Molecular Line Survey of CRL 618 from 80 to 276 GHz and Complete Model (2007)
Pardo Carrión, Juan Ramón, Cernicharo, José, Goicoechea, Javier R., Guélin, Michel, Asensio Ramos, Andrés
We present the complete data set, model, and line identification of a survey of the emission from the C-rich proto–planetary nebula CRL 618 performed with the IRAM 30 m telescope in the frequency...
Discovery of Interstellar Heavy Water (2007)
Butner, H. M., Charnley, S. B., Ceccarelli, C., Rodgers, S. D., Pardo Carrión, Juan Ramón, Parise, B., ...
We report the discovery of doubly deuterated water (D2O, heavy water) in the interstellar medium. Using the James Clerk Maxwell Telescope and the Caltech Submillimeter Observatory 10 m telescope, we...
Astrofísica molecular e infrarroja (2007)
Presentado en el IV Curso de Iniciación a la Investigación en Estructura de la Materia: Desde las partículas subatómicas hasta los compuestos moleculares (Instituto de Estructura de la Materia,...
Agúndez, Marcelino, Cernicharo, José, Pardo Carrión, Juan Ramón, Fonfría, José Pablo, Guélin, Michel, Tenenbaum, E. D., ...
To appear in Astrophysics and Space Science, special issue of "Science with ALMA: a new era for Astrophysics" conference, November, 13-17 2006, ed. R. Bachiller
Anatomy of HH 111 from CO Observations: a Bow-shock-driven Molecular Outflow (2007)
Lefloch, Bertrand, Cernicharo, José, Reipurth, Jo, Pardo Carrión, Juan Ramón, Neri, Roberto
We present single-dish and interferometric millimeter line observations of the HH 111 outflow and its driving source. The physical conditions of the core have been determined from the emission of the...
Molecular survey of CRL618 (2007)
Pardo Carrión, Juan Ramón, Cernicharo, José, Goicoechea, Javier R., Guélin, Michel, Asensio Ramos, Andrés
Accepted for publication in The Astrophysical Journal (November 2006).
The ISO LWS high resolution spectral survey towards Sagittarius B2 (2007)
Polehampton, Edward T., Baluteau, Jean-Paul, Swinyard, Bruce M., Goicoechea, Javier R., Brown, John M., White, Glenn J., ...
Accepted for publication in MNRAS.
Far-Infrared detection of H2D+ toward Sgr B2 (2007)
Cernicharo, José, Polehampton, Edward T., Goicoechea, Javier R.
Accepted in Astrophysics Journal Letters. Non edited.
Molecular Abundances in CRL 618 (2007)
Pardo Carrión, Juan Ramón, Cernicharo, José
In previous works we have modeled the different gas regions of the proto-planetary nebula CRL 618 by studying the large number of lines from the cyanopolyynes detected in a millimeter-wave line...
Detection of HNC and tentative detection of CN at z=3.9 (2006)
Guélin, Michel, Salomé, P., Neri, Roberto, García-Burillo, S., Graciá-Carpio, J., Cernicharo, José, ...
Accepted for publication in Astronomy and Astrophysics Letters (A&ALetters). Acceptance date: 7th December 2006.
Radiative Transfer tools for the GTC (2006)
Andrés Asensio Ramos, Javier Trujillo Bueno, José Cernicharo
Radiative Transfer tools for the GTC
Anatomy of HH 111 from CO observations : a bow shock driven molecular outflow (2006)
Lefloch, Bertrand, Cernicharo, José, Reipurth, Jo, Pardo Carrión, Juan Ramón, Neri, Roberto
To appear in Astrophysical Journal.
Detection of C3O in IRC+10216: Oxygen-Carbon chain chemistry in the outer envelope (2006)
Tenenbaum, E. D., Apponi, A. J., Ziurys, L. M., Agúndez, Marcelino, Cernicharo, José, Pardo Carrión, Juan Ramón, ...
The oxygen-bearing species C3O has been identified in the circumstellar envelope of the carbon star IRC +10216. The J = 8-->7, 9-->8, 10-->9, 14-->13, and 15-->14 transitions were detected at 2 and 3...
The Water Vapor Abundance in Orion KL Outflows (2006)
Cernicharo, José, Goicoechea, Javier R., Daniel, F., Lerate, M.R., Barlow, Michael J., Swinyard, Bruce M., ...
Accepted 2006 August 7; To be published in ApJ letters
High-J v=0 SiS Maser Emission in IRC+10216: A New Case of Infrared Overlaps (2006)
Fonfría, José Pablo, Agúndez, Marcelino, Tercero, Belén, Pardo Carrión, Juan Ramón, Cernicharo, José
We report on the first detection of maser emission in the J=11–10, J=14–13, and J=15–14 transitions of the v=0 vibrational state of SiS toward the carbon-rich star IRC +10216. These masers seem...
A New Water Vapor Megamaser (2006)
Cernicharo, José, Pardo Carrión, Juan Ramón, Weiss, Axel
We report on the detection of a new megamaser, the 3_1,3–2_2,0 H2O line (v0 = 183.310 GHz) in Arp 220, using the Institut de Radioastronomie Millimétrique (IRAM) 30 m telescope. The line is about...
The Excitation of N2H+ in Interstellar Molecular Clouds. I. Models (2006)
Cernicharo, José, Daniel, F., Dubernet, M.-L.
We present large velocity gradient (LVG) and nonlocal radiative transfer calculations involving the rotational and hyperfine structure of the spectrum of N2H+, with collisional rate coefficients...
Oxygen Chemistry in the Circumstellar Envelope of the Carbon-Rich Star IRC+10216 (2006)
Agúndez, Marcelino, Cernicharo, José
In this paper we study the oxygen chemistry in the C-rich circumstellar shells of IRC+10216. The recent discoveries of oxygen bearing species (water, hydroxyl radical and formaldehyde) toward this...
A far-infrared molecular and atomic line survey of the Orion KL region (2006)
Polehampton, Edward T., Lerate, M.R., Barlow, Michael J., Swinyard, Bruce M., Goicoechea, Javier R., Cernicharo, José, ...
We have carried out a high spectral resolution (λ/Δλ 6800–9700) line survey towards the Orion Kleinmann–Low (KL) cluster from 44 to 188 μm. The observations were taken with the Long...
Warm Water Vapor around Sagittarius B2 (2006)
Cernicharo, José, Goicoechea, Javier R., Pardo Carrión, Juan Ramón, Asensio Ramos, Andrés
Several condensations heated externally by nearby hot stars are present in the Sgr B2 region for which H2O far-IR lines are expected to probe only an external low-density and high temperature...
Far-IR Excited OH Lines from Orion KL Outflows (2006)
Goicoechea, Javier R., Cernicharo, José, Daniel, F., Barlow, Michael J., Swinyard, Bruce M., Lim, Tanya L., ...
Accepted in ApJ letters, 2006 March 2
Water Vapor around Sgr B2 (2006)
Cernicharo, José, Goicoechea, Javier R., Pardo Carrión, Juan Ramón, Asensio Ramos, Andrés
Pre-print version, accepted in ApJ main journal, 2006 January 12
Dissociative Shocks in the Neighborhood of Orion IRc2 Traced with Atomic Carbon (2005)
Pardo Carrión, Juan Ramón, Cernicharo, José, Phillips, Thomas G.
We present Caltech Submillimeter Observatory 10" resolution maps of the 3P2-->3P1 line of neutral atomic carbon (809.3435 GHz) and the J=7–6 line of CO (806.6518 GHz) covering a region of 2'x4'.5...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
To be published in the proceedings of the 2005 ESLAB Symposium "Trends in Space Science and Cosmic Vision 2020", held at ESTEC, 19-21 April 2005, F. Favata (ed).
Pardo Carrión, Juan Ramón, Cernicharo, José, Goicoechea, Javier R.
The abundance ratio of consecutive members of the cyanopolyyne family has been explored in CRL 618 using data acquired in a complete line survey covering the frequency range 81–356 GHz. The Jup...
Pardo Carrión, Juan Ramón, Cernicharo, José, Goicoechea, Javier R.
Accepted in ApJ main journal.
Are PAHs precursors of small hydrocarbons in Photo-Dissociation Regions? The Horsehead case (2005)
Pety, Jérôme, Teyssier, D., Fosse, David, Gerin, M., Roueff, E., Abergel, A., ...
In press in Astronomy & Astrophysics. Uses aa LaTeX macros.
Detection of the linear radical HC4N in IRC+10216 (2004)
Cernicharo, José, Guélin, Michel, Pardo Carrión, Juan Ramón
We report the detection of the linear radical HC4N in the C-rich envelope of IRC+10216. After HCCN, HC4N is the second member of the allenic chain family HC_(2n)N observed in space. The column...
Deuterated Thioformaldehyde in the Barnard 1 Cloud (2004)
Cernicharo, José, Marcelino, Nuria, Roueff, E., Gerin, M., Mauersberger, R.
We present observations of the singly and doubly deuterated species of thioformaldehyde, HDCS and D2CS, toward the dark cloud Barnard 1. This is the first detection of D2CS in space and in dense,...
OH rotational lines as a diagnostic of the warm neutral gas in galaxies (2004)
Goicoechea, Javier R., Martín-Pintado, Jesús, Cernicharo, José
We present Infrared Space Observatory (ISO) observations of several OH, CH and H2O rotational lines toward the bright infrared galaxies NGC253 and NGC1068. As found in the Galactic clouds in SgrB2...
The slowly expanding envelope of CRL618 probed with HC3N rotational ladders (2004)
Pardo Carrión, Juan Ramón, Cernicharo, José, Goicoechea, Javier R., Phillips, Thomas G.
Lines from HC3N and isotopic substituted species in ground and vibrationally excited states produce crowded millimeter and submillimeter wave spectra in the C-rich protoplanetary nebula CRL618. The...
The abundance of 36S in IRC+10216 and its production in the Galaxy (2004)
Gallino, R., Cernicharo, José, Henkel, C., Ott, U., Mauersberger, R.
The J=2-1 and 3-2 rotational lines of the rare isotopomer C36S and the J=5-4 and 6-5 transitions of Si36S were detected in the carbon star IRC+10216 (CW Leo). These are the first detections of 36S...
The far-infrared spectrum of Arp 220 (2004)
González-Alfonso, Eduardo, Smith, Howard A., Fischer, Jacqueline, Cernicharo, José
ISO/LWS grating observations of the ultraluminous infrared galaxy Arp 220 shows absorption in molecular lines of OH, H$_2$O, CH, NH, and NH$_3$, as well as in the [O I] 63 $\mu$m line and emission in...
The Far‐Infrared Spectrum of Arp 220 (2004)
Cernicharo, José, Fischer, Jacqueline, Smith, Howard A., González‐Alfonso, Eduardo
ISO/LWS grating observations of the ultraluminous infrared galaxy Arp 220 shows absorption in molecular lines of OH, H$_2$O, CH, NH, and NH$_3$, as well as in the [O I] 63 $\mu$m line and emission in...
A new Unidentified Far Infrared Band in NGC 7027 (2004)
Senent Díez, María Luisa, Masso, Helena, Goicoechea, Javier R., Cernicharo, José
We report on the detection of a molecular band centered at ~98 um (~102 cm^-1), observed with the Infrared Space Observatory in the young Planetary Nebula NGC7027. The band structure and intensity...
Far-IR spectroscopy towards Sagittarius B2 (2004)
Goicoechea, Javier R., Cernicharo, José
To appear in the Proceedings of the 4th Cologne-Bonn-Zermatt-Symposium "The Dense Interstellar Medium in Galaxies" eds. S. Pfalzner, C. Kramer, C. Straubmeier, & A. Heithausen
Goicoechea, Javier R., Rodríguez-Fernández, Nemesio J., Cernicharo, José
We present large scale 9'x 27'(25 pc x 70 pc) far-IR observations around Sgr B2 using the Long-wavelength spectrometer (LWS) on board the Infrared Space Observatory (ISO). The spectra are dominated...
Warm Molecular Hydrogen and Ionized Neon in the HH2 Outflow (2003)
Moro-Martin, A., Noriega-Crespo, A., Cesarsky, D., Cabrit, S., Cernicharo, José, Lefloch, Bertrand
We report on spectro-imaging observations of the Herbig-Haro 2 outflow with the ISOCAM camera onboard the Infrared Space Observatory (ISO). The [Ne II}] 12.81 microns and [Ne III]15.55 microns lines...
Non-equilibrium CO chemistry in the solar atmosphere (2003)
Trujillo Bueno, J., Asensio Ramos, Andrés, Carlsson, M., Cernicharo, José
Investigating the reliability of the assumption of instantaneous chemical equilibrium (ICE) for calculating the CO number density in the solar atmosphere is of crucial importance for the resolution...
Extended photoionization and photodissociation in Sgr B2 (2003)
Goicoechea, Javier R., Rodríguez-Fernández, Nemesio J., Cernicharo, José
We present large scale 9' x 27' (25 pc x 70 pc) far-IR observations of the Sgr B2 complex using the spectrometers on board the Infrared Space Observatory (ISO). The far-IR spectra are dominated by...
Radiative Transfer tools for the GTC (2003)
Asensio Ramos, Andrés, Cernicharo , José, Trujillo Bueno, Javier
A new infrared band in the Interstellar and Circumstellar Clouds: C_4 or C_4H? (2002)
Cernicharo, José, Goicoechea, Javier R., Benilan, Y.
We report on the detection with the Infrared Space Observatory (ISO) of a molecular band at 57.5 microns (174 cm^{-1}) in carbon-rich evolved stars and in Sgr B2. Taking into account the chemistry of...
The Photoionization of a Star-Forming Core in the Trifid Nebula (2002)
Cesarsky, D., Cernicharo, José, Lefloch, Bertrand, Rodriguez, L.F., Miville-Deschenes, M.A., Heras, A.
We have carried out a comprehensive multiwavelength study of Bright-Rimmed Globule TC2 in the Trifid Nebula using the IRAM~30m telescope, the VLA centimeter array and the Infrared Space Observatory...
Far-Infrared OH fluorescent emission in Sagittarius B2 (2002)
Goicoechea, Javier R., Cernicharo, José
We present Infrared Space Observatory (ISO) observations of 16OH and 18OH toward Sgr B2 with a spectral resolution of 35 km/s. The OH J=5/2-3/2 and J=3/2-1/2 rotational lines of the 2Pi1/2 ladder are...
Chemical Evolution of the Circumstellar Envelopes of Carbon-rich Post-AGB objects (2002)
Herpin, F., Goicoechea, Javier R., Pardo Carrión, Juan Ramón, Cernicharo, José
We have observed with the 30-m IRAM telescope, the CSO telescope and the ISOsatellite (Infrared Space Observatory) the rotational lines of CO at millimeter, submillimeter and far infrared wavelengths...
Infrared and Millimetric Study of the Young Outflow Cepheus E (2001)
Moro-Martin, A., Noriega-Crespo, A., Molinari, S., Testi, L., Cernicharo, José, Sargent, A.
The Cepheus E outflow has been studied in the mid and far infrared using the ISO CAM and LWS instruments, and at millimetric wavelengths using OVRO. In the near and mid-IR, its morphology is similar...
G-band Spectral Synthesis in Solar Magnetic Concentrations (2001)
Sánchez Almeida, J., Asensio Ramos, Andrés, Trujillo Bueno, J., Cernicharo, José
Narrow band imaging in the G-band is commonly used to trace the small magnetic field concentrations of the Sun, although the mechanism that makes them bright has remained unclear. We carry out LTE...
Radiative transfer in molecular lines (2001)
Asensio Ramos, Andrés, Trujillo Bueno, J., Cernicharo, José
The highly convergent iterative methods developed by Trujillo Bueno and Fabiani Bendicho (1995) for radiative transfer (RT) applications are generalized to spherical symmetry with velocity fields....
Disks around Hot Stars in the Trifid Nebula (2001)
Lefloch, Bertrand, Cernicharo, José, Cesarsky, D., Demyk, K., Miville-Deschenes, M.A., Rodriguez, L.F.
We report on mid-IR observations of the central region in the Trifid nebula, carried out with ISOCAM in several broad-band infrared filters and in the low resolution spectroscopic mode provided by...
Molecular Carbon Chains and Rings in TMC-1 (2000)
Cernicharo, José, Fosse, David, Gerin, M., Cox, Pierre
We present mapping results in several rotational transitions of HC3N, C6H, both cyclic and linear C3H2 and C3H, towards the cyanopolyyne peak of the filamentary dense cloud TMC-1 using the IRAM 30m...
Cold H2O and CO ice and gas toward the Galactic Center (2000)
Moneti, Andrea, Cernicharo, José, Pardo Carrión, Juan Ramón
We present observations of CO, 13CO and of H2O in the middle and far-infrared taken with the ISO-SWS and ISO-LWS spectrometers toward two positions in the Galactic Center region (Sgr A* and GCS-3)....