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  1. Article: High-velocity hot CO emission close to Sgr A*:

    Goicoechea, J R / Santa-Maria, M G / Teyssier, D / Cernicharo, J / Gerin, M / Pety, J

    Astronomy and astrophysics

    2018  Volume 616

    Abstract: The properties of molecular gas, the fuel that forms stars, inside the cavity of the circumnuclear disk (CND) are not well constrained. We present results of a velocity-resolved submillimeter scan (~480 to 1250 GHz) and [C ii] ... ...

    Abstract The properties of molecular gas, the fuel that forms stars, inside the cavity of the circumnuclear disk (CND) are not well constrained. We present results of a velocity-resolved submillimeter scan (~480 to 1250 GHz) and [C ii] 158
    Language English
    Publishing date 2018-08-13
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/201833684
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Expanding bubbles in Orion A: [C

    Pabst, C H M / Goicoechea, J R / Teyssier, D / Berné, O / Higgins, R D / Chambers, E T / Kabanovic, S / Güsten, R / Stutzki, J / Tielens, A G G M

    Astronomy and astrophysics

    2020  Volume 639

    Abstract: Context: The Orion Molecular Cloud is the nearest massive-star forming region. Massive stars have profound effects on their environment due to their strong radiation fields and stellar winds. Stellar feedback is one of the most crucial cosmological ... ...

    Abstract Context: The Orion Molecular Cloud is the nearest massive-star forming region. Massive stars have profound effects on their environment due to their strong radiation fields and stellar winds. Stellar feedback is one of the most crucial cosmological parameters that determine the properties and evolution of the interstellar medium in galaxies.
    Aims: We aim to understand the role that feedback by stellar winds and radiation play in the evolution of the interstellar medium. Velocity-resolved observations of the [C
    Methods: We use [C
    Results: The bubble blown by the O7V star
    Conclusions: We conclude that the bubble of the Orion Nebula is driven by the mechanical energy input by the strong stellar wind from
    Language English
    Publishing date 2020-07-01
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/202037560
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Disruption of the Orion molecular core 1 by wind from the massive star θ

    Pabst, C / Higgins, R / Goicoechea, J R / Teyssier, D / Berne, O / Chambers, E / Wolfire, M / Suri, S T / Guesten, R / Stutzki, J / Graf, U U / Risacher, C / Tielens, A G G M

    Nature

    2019  Volume 565, Issue 7741, Page(s) 618–621

    Abstract: Massive stars inject mechanical and radiative energy into the surrounding environment, which stirs it up, heats the gas, produces cloud and intercloud phases in the interstellar medium, and disrupts molecular clouds (the birth sites of new ... ...

    Abstract Massive stars inject mechanical and radiative energy into the surrounding environment, which stirs it up, heats the gas, produces cloud and intercloud phases in the interstellar medium, and disrupts molecular clouds (the birth sites of new stars
    Language English
    Publishing date 2019-01-07
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/s41586-018-0844-1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 26: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)
    Zs.MG 9: Show issues
    Zs.MO 244: Show issues

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  4. Article: Molecular tracers of radiative feedback in Orion (OMC-1) Widespread CH

    Goicoechea, Javier R / Santa-Maria, Miriam G / Bron, Emeric / Teyssier, David / Marcelino, Nuria / Cernicharo, José / Cuadrado, Sara

    Astronomy and astrophysics

    2019  Volume 622

    Abstract: Young massive stars regulate the physical conditions, ionization, and fate of their natal molecular cloud and surroundings. It is important to find tracers that help quantifying the stellar feedback processes that take place at different spatial scales. ... ...

    Abstract Young massive stars regulate the physical conditions, ionization, and fate of their natal molecular cloud and surroundings. It is important to find tracers that help quantifying the stellar feedback processes that take place at different spatial scales. We present ~85 arcmin
    Language English
    Publishing date 2019-02-28
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/201834409
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Time-dependent molecular emission in IRC+10216.

    Pardo, J R / Cernicharo, J / Velilla Prieto, L / Fonfría, J P / Agúndez, M / Quintana-Lacaci, G / Massalkhi, S / Tercero, B / Gómez-Garrido, M / de Vicente, P / Guélin, M / Kramer, C / Marka, C / Teyssier, D / Neufeld, D

    Astronomy and astrophysics

    2018  Volume 615

    Abstract: Context: The variability in IRC+10216, the envelope of the asymptotic giant branch (AGB) star CW Leo, has attracted increasing attention in recent years. Studying the details of this variability in the molecular emission required a systematic ... ...

    Abstract Context: The variability in IRC+10216, the envelope of the asymptotic giant branch (AGB) star CW Leo, has attracted increasing attention in recent years. Studying the details of this variability in the molecular emission required a systematic observation program.
    Aims: We aim to reveal and characterize the periodical variability of the rotational lines from several molecules and radicals in IRC+10216, and to compare it with previously reported IR variability.
    Methods: We carried out systematic monitoring within the ~80 to 116 GHz frequency range with the IRAM 30m telescope.
    Results: We report on the periodical variability in IRC+10216 of several rotational lines from the following molecules and radicals: HC
    Conclusions: This study indicates that observations of several lines of a given molecule have to be performed simultaneously or at least at the same phase in order to avoid erroneous interpretation of the data. In particular, merging ALMA data from different epochs may prove to be difficult, as shown by the example of the variability we studied here. Moreover, radiative transfer codes have to incorporate the effect of population variability in the rotational levels in CW Leo.
    Language English
    Publishing date 2018-07-13
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/201833303
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book: Index des prix et des normes agricoles

    Teyssier, Daniel

    2001  

    Author's details Daniel Teyssier
    Keywords Agricultural prices
    Language French
    Size 192 p. :, ill., map ;, 22 cm.
    Edition 17e éd. 2001-2002.
    Publisher Synthèse agricole ; Diffusion, Editions Tec & Doc
    Publishing place Bordeaux ; Cachan
    Document type Book
    Note Distributor mounted on label.
    ISBN 2910340392 ; 9782910340391
    Database NAL-Catalogue (AGRICOLA)

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    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  7. Article: [Cii] emission from L1630 in the Orion B molecular cloud.

    Pabst, C H M / Goicoechea, J R / Teyssier, D / Berné, O / Ochsendorf, B B / Wolfire, M G / Higgins, R D / Riquelme, D / Risacher, C / Pety, J / Le Petit, F / Roueff, E / Bron, E / Tielens, A G G M

    Astronomy and astrophysics

    2017  Volume 606

    Abstract: Context: L1630 in the Orion B molecular cloud, which includes the iconic Horsehead Nebula, illuminated by the star system : Aims: Observations toward L1630 allow us to study the interplay between stellar radiation and a molecular cloud under ... ...

    Abstract Context: L1630 in the Orion B molecular cloud, which includes the iconic Horsehead Nebula, illuminated by the star system
    Aims: Observations toward L1630 allow us to study the interplay between stellar radiation and a molecular cloud under relatively benign conditions, that is, intermediate densities and an intermediate UV radiation field. Contrary to the well-studied Orion Molecular Cloud 1 (OMC1), which hosts much harsher conditions, L1630 has little star formation. Our goal is to relate the [Cii] fine-structure line emission to the physical conditions predominant in L1630 and compare it to studies of OMC1.
    Methods: The [Cii] 158
    Results: Of the [Cii] emission from the mapped area 95%, 13
    Conclusions: In L1630 only a small fraction of the gas mass is traced by [Cii]. Most of the [Cii] emission in the mapped area stems from PDR surfaces. The layered edge-on structure of the molecular cloud and limitations in spatial resolution put constraints on our ability to relate different tracers to each other and to the physical conditions. From our study, we conclude that the relation between [Cii] emission and physical conditions is likely to be more complicated than often assumed. The theoretical heating efficiency is higher than the one we calculate from the observed [Cii] emission in the L1630 molecular cloud.
    Language English
    Publishing date 2017-10-03
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/201730881
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Structure of photodissociation fronts in star-forming regions revealed by observations of high-J CO emission lines with Herschel.

    Joblin, C / Bron, E / Pinto, C / Pilleri, P / Le Petit, F / Gerin, M / Le Bourlot, J / Fuente, A / Berne, O / Goicoechea, J R / Habart, E / Köhler, M / Teyssier, D / Nagy, Z / Montillaud, J / Vastel, C / Cernicharo, J / Röllig, M / Ossenkopf-Okada, V /
    Bergin, E A

    Astronomy and astrophysics

    2018  Volume 615

    Abstract: Context: In bright photodissociation regions (PDRs) associated to massive star formation, the presence of dense "clumps" that are immersed in a less dense interclump medium is often proposed to explain the difficulty of models to account for the ... ...

    Abstract Context: In bright photodissociation regions (PDRs) associated to massive star formation, the presence of dense "clumps" that are immersed in a less dense interclump medium is often proposed to explain the difficulty of models to account for the observed gas emission in high-excitation lines.
    Aims: We aim at presenting a comprehensive view of the modeling of the CO rotational ladder in PDRs, including the high-J lines that trace warm molecular gas at PDR interfaces.
    Methods: We observed the
    Results: A grid of models was run to explore the parameter space of only two parameters: thermal gas pressure and a global scaling factor that corrects for approximations in the assumed geometry. We conclude that the emission in the high-J CO lines, which were observed up to J
    Conclusions: Compiling data from the literature, we found that the gas thermal pressure increases with the intensity of the UV radiation field given by
    Language English
    Publishing date 2018-07-27
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/201832611
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Herschel

    Schmidt, M R / He, J H / Szczerba, R / Bujarrabal, V / Alcolea, J / Cernicharo, J / Decin, L / Justtanont, K / Teyssier, D / Menten, K M / Neufeld, D A / Olofsson, H / Planesas, P / Marston, A P / Sobolev, A M / de Koter, A / Schöier, F L

    Astronomy and astrophysics

    2016  Volume 592

    Abstract: Context: A discrepancy exists between the abundance of ammonia (NH: Aims: To address the discrepancy described above, new high-resolution far-infrared (FIR) observations of both ortho- and para-NH: Methods: We used the Heterodyne Instrument for ... ...

    Abstract Context: A discrepancy exists between the abundance of ammonia (NH
    Aims: To address the discrepancy described above, new high-resolution far-infrared (FIR) observations of both ortho- and para-NH
    Methods: We used the Heterodyne Instrument for the Far Infrared (HIFI) on board
    Results: We found that NIR pumping is of key importance for understanding the excitation of rotational levels of NH
    Language English
    Publishing date 2016-08-12
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1458466-9
    ISSN 1432-0746 ; 0004-6361
    ISSN (online) 1432-0746
    ISSN 0004-6361
    DOI 10.1051/0004-6361/201527290
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Discovery of Time Variation of the Intensity of Molecular Lines in IRC+10216 in The Submillimeter and Far Infrared Domains.

    Cernicharo, J / Teyssier, D / Quintana-Lacaci, G / Daniel, F / Agúndez, M / Prieto, L Velilla / Decin, L / Guélin, M / Encrenaz, P / García-Lario, P / de Beck, E / Barlow, M J / Groenewegen, M A T / Neufeld, D / Pearson, J

    The astrophysical journal. Letters

    2015  Volume 796, Issue 1

    Abstract: We report on the discovery of strong intensity variations in the high rotational lines of abundant molecular species towards the archetypical circumstellar envelope of IRC+10216. The observations have been carried out with the HIFI instrument on ... ...

    Abstract We report on the discovery of strong intensity variations in the high rotational lines of abundant molecular species towards the archetypical circumstellar envelope of IRC+10216. The observations have been carried out with the HIFI instrument on board
    Language English
    Publishing date 2015-12-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 2207648-7
    ISSN 2041-8205 ; 0004-637X
    ISSN 2041-8205 ; 0004-637X
    DOI 10.1088/2041-8205/796/1/L21
    Database MEDical Literature Analysis and Retrieval System OnLINE

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