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...
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...
Meirold-Mautner, Ingo, Prigent, Catherine, Defer, Eric, Pardo Carrión, Juan Ramón, Chaboureau, Jean-Pierre, Pinty, Jean-Pierre, ...
Real midlatitude meteorological cases are simulated over western Europe with the cloud mesoscale model Méso-NH, and the outputs are used to calculate brightness temperatures at microwave frequencies...
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...
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).
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...
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...
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...
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...
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...
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.
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...
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...
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...
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)....