Search Results - "Yıldız, U. A."

Striations in the Taurus molecular cloud: Kelvin–Helmholtz instability or MHD waves? by Heyer, M., Goldsmith, P. F., Yıldız, U. A., Snell, R. L., Falgarone, E., Pineda, J. L.

“…The origin of striations aligned along the local magnetic field direction in the translucent envelope of the Taurus molecular cloud is examined with new…”
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The APEX Large CO Heterodyne Orion Legacy Survey (ALCOHOLS). I. Survey overview by Stanke, Thomas, Arce, H. G, Bally, J, Bergman, P, Carpenter, J, Davis, C. J, Dent, W, Di Francesco, J, Eislöffel, J, Froebrich, D, Ginsburg, A, Heyer, M, Johnstone, D, Mardones, D, McCaughrean, M. J, Megeath, S. T, Nakamura, F, Smith, M. D, Stutz, A, Tatematsu, K, Walker, C, Williams, J. P, Zinnecker, H, Swift, B. J, Kulesa, C, Peters, B, Duffy, B, Kloosterman, J, Yıldız, U. A, Pineda, J. L, De Breuck, C, Klein, Th

“…A&A 658, A178 (2022) The Orion molecular cloud complex harbours the nearest GMCs and site of high-mass star formation. Its YSO populations are thoroughly…”
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Classifying the embedded young stellar population in Perseus and Taurus & the LOMASS database by Carney, M. T, Yıldız, U. A, Mottram, J. C, van Dishoeck, E. F, Ramchandani, J, Jørgensen, J. K

“…A&A 586, A44 (2016) Context. The classification of young stellar objects (YSOs) is typically done using the infrared spectral slope or bolometric temperature,…”
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Outflows, infall and evolution of a sample of embedded low-mass protostars. The William Herschel Line Legacy (WILL) survey by Mottram, J. C, van Dishoeck, E. F, Kristensen, L. E, Karska, A, José-García, I. San, Khanna, S, Herczeg, G. J, Andr, Ph, Bontemps, S, Cabrit, S, Carney, M. T, Drozdovskaya, M. N, Dunham, M. M, Evans, N. J, Fedele, D, Green, J. D, Harsono, D, Johnstone, D, Jørgensen, J. K, Könyves, V, Nisini, B, Persson, M. V, Tafalla, M, Visser, R, Yıldız, U. A

“…[Abridged] We present spectroscopic observations in H$_{2}$O, CO and related species with \textit{Herschel} HIFI and PACS, as well as ground-based follow-up…”
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Observations and modelling of CO and [CI] in disks. First detections of [CI] and constraints on the carbon abundance by Kama, M, Bruderer, S, Carney, M, Hogerheijde, M, van Dishoeck, E. F, Fedele, D, Baryshev, A, Boland, W, Güsten, R, Aikutalp, A, Choi, Y, Endo, A, Frieswijk, W, Karska, A, Klaassen, P, Koumpia, E, Kristensen, L, Leurini, S, Nagy, Z, Beaupuits, J. -P. Perez, Risacher, C, van der Marel, N, van Kempen, T. A, van Weeren, R. J, Wyrowski, F, Yıldız, U. A

“…A&A 588, A108 (2016) The gas-solid budget of carbon in protoplanetary disks is related to the composition of the cores and atmospheres of the planets forming…”
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High-pressure, low-abundance water in bipolar outflows. Results from a Herschel-WISH survey by Tafalla, M, Liseau, R, Nisini, B, Bachiller, R, Santiago-García, J, van Dishoeck, E. F, Kristensen, L. E, Herczeg, G. J, Yıldız, U. A

“…(Abridged) We present a survey of the water emission in a sample of more than 20 outflows from low mass young stellar objects with the goal of characterizing…”
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Multi-line detection of O2 toward rho Oph A by Liseau, R, Goldsmith, P. F, Larsson, B, Pagani, L, Bergman, P, Bourlot, J. Le, Bell, T. A, Benz, A. O, Bergin, E. A, Bjerkeli, P, Black, J. H, Bruderer, S, Caselli, P, Caux, E, Chen, J. -H, de Luca, M, Encrenaz, P, Falgarone, E, Gerin, M, Goicoechea, J. R, Hjalmarson, Å, Hollenbach, D. J, Justtanont, K, Kaufman, M. J, Petit, F. Le, Li, D, Lis, D. C, Melnick, G. J, Nagy, Z, Olofsson, A. O. H, Olofsson, G, Roueff, E, Sandqvist, Aa, Snell, R. L, van der Tak, F. F. S, van Dishoeck, E. F, Vastel, C, Viti, S, Yıldız, U. A

“…Models of pure gas-phase chemistry in well-shielded regions of molecular clouds predict relatively high levels of molecular oxygen, O2, and water, H2O…”
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Water in massive star-forming regions: HIFI observations of W3 IRS5 by Chavarria, L, Herpin, F, Jacq, T, Braine, J, Bontemps, S, Baudry, A, Marseille, M, van der Tak, F, Pietropaoli, B, Wyrowski, F, Shipman, R, Frieswijk, W, van Dishoeck, E. F, Cernicharo, J, Bachiller, R, Benedettini, M, Benz, A. O, Bergin, E, Bjerkeli, P, Blake, G. A, Bruderer, S, Caselli, P, Codella, C, Daniel, F, di Giorgio, A. M, Dominik, C, Doty, S. D, Encrenaz, P, Fich, M, Fuente, A, Giannini, T, Goicoechea, J. R, de Graauw, Th, Hartogh, P, Helmich, F, Herczeg, G. J, Hogerheijde, M. R, Johnstone, D, Jørgensen, J. K, Kristensen, L. E, Larsson, B, Lis, D, Liseau, R, McCoey, C, Melnick, G, Nisini, B, Olberg, M, Parise, B, Pearson, J. C, Plume, R, Risacher, C, Santiago-Garcia, J, Saraceno, P, Szczerba, J. Stutzki R, Tafalla, M, Tielens, A, van Kempen, T. A, Visser, R, Wampfler, S. F, Willem, J, Yıldız, U. A

“…We present Herschel observations of the water molecule in the massive star-forming region W3 IRS5. The o-H17O 110-101, p-H18O 111-000, p-H2O 22 202-111, p-H2O…”
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Herschel-HIFI observations of high-J CO lines in the NGC 1333 low-mass star-forming region by Yıldız, U. A, van Dishoeck, E. F, Kristensen, L. E, Visser, R, Jørgensen, J. K, Herczeg, G. J, van Kempen, T. A, Hogerheijde, M. R, Doty, S. D, Benz, A. O, Bruderer, S, Wampfler, S. F, Deul, E, Bachiller, R, Baudry, A, Benedettini, M, Bergin, E, Bjerkeli, P, Blake, G. A, Bontemps, S, Braine, J, Caselli, P, Cernicharo, J, Codella, C, Daniel, F, di Giorgio, A. M, Dominik, C, Encrenaz, P, Fich, M, Fuente, A, Giannini, T, Goicoechea, J. R, de Graauw, Th, Helmich, F, Herpin, F, Jacq, T, Johnstone, D, Larsson, B, Lis, D, Liseau, R, Liu, F. -C, Marseille, M, McCoey, C, Melnick, G, Neufeld, D, Nisini, B, Olberg, M, Parise, B, Pearson, J. C, Plume, R, Risacher, C, Santiago-Garcia, J, Saraceno, P, Shipman, R, Tafalla, M, Tielens, A. G. G. M, van der Tak, F, Wyrowski, F, Dieleman, P, Jellema, W, Ossenkopf, V, Schieder, R, Stutzki, J

“…A&A HIFI Special Issue, 2010 Herschel-HIFI observations of high-J lines (up to J_u=10) of 12CO, 13CO and C18O are presented toward three deeply embedded…”
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HERSCHEL-HIFI spectroscopy of the intermediate mass protostar NGC7129 FIRS 2 by Johnstone, D, Fich, M, McCoey, C, van Kempen, T. A, Fuente, A, Kristensen, L. E, Cernicharo, J, Caselli, P, Visser, R, Plume, R, Herczeg, G. J, van Dishoeck, E. F, Wampfler, S, Bachiller, R, Baudry, A, Benedettini, M, Bergin, E, Benz, A. O, Bjerkeli, P, Blake, G, Bontemps, S, Braine, J, Bruderer, S, Codella, C, Daniel, F, di Giorgio, A. M, Dominik, C, Doty, S. D, Encrenaz, P, Giannini, T, Goicoechea, J. R, de Graauw, Th, Helmich, F, Herpin, F, Hogerheijde, M. R, Jacq, T, Jørgensen, J. K, Larsson, B, Lis, D, Liseau, R, Marseille, M, Melnick, G, Neufeld, D, Nisini, B, Olberg, M, Parise, B, Pearson, J, Risacher, C, Santiago-García, J, Saraceno, P, Shipman, R, Tafalla, M, van der Tak, F, Wyrowski, F, Yıldız, U. A, Caux, E, Honingh, N, Jellema, W, Schieder, R, Teyssier, D, Whyborn, N

“…HERSCHEL-HIFI observations of water from the intermediate mass protostar NGC7129 FIRS 2 provide a powerful diagnostic of the physical conditions in this star…”
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Variations in H2O+/H2O ratios toward massive star-forming regions by Wyrowski, F, van der Tak, F, Herpin, F, Baudry, A, Bontemps, S, Chavarria, L, Frieswijk, W, Jacq, T, Marseille, M, Shipman, R, van Dishoeck, E. F, Benz, A. O, Caselli, P, Hogerheijde, M. R, Johnstone, D, Liseau, R, Bachiller, R, Benedettini, M, Bergin, E, Bjerkeli, P, Blake, G, Braine, J, Bruderer, S, Cernicharo, J, Codella, C, Daniel, F, di Giorgio, A. M, Dominik, C, Doty, S. D, Encrenaz, P, Fich, M, Fuente, A, Giannini, T, Goicoechea, J. R, de Graauw, Th, Helmich, F, Herczeg, G. J, Jørgensen, J. K, Kristensen, L. E, Larsson, B, Lis, D, McCoey, C, Melnick, G, Nisini, B, Olberg, M, Parise, B, Pearson, J. C, Plume, R, Risacher, C, Santiago, J, Saraceno, P, Tafalla, M, van Kempen, T. A, Visser, R, Wampfler, S, Yıldız, U. A, Black, J. H, Falgarone, E, Gerin, M, Roelfsema, P, Dieleman, P, Beintema, D, De Jonge, A, Whyborn, N, Stutzki, J, Ossenkopf, V

“…Early results from the Herschel Space Observatory revealed the water cation H2O+ to be an abundant ingredient of the interstellar medium. Here we present new…”
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Herschel-HIFI detections of hydrides towards AFGL 2591 (Envelope emission versus tenuous cloud absorption) by Bruderer, S, Benz, A. O, van Dishoeck, E. F, Melchior, M, Doty, S. D, van der Tak, F, Stäuber, P, Wampfler, S. F, Dedes, C, Yıldız, U. A, Pagani, L, Giannini, T, de Graauw, Th, Whyborn, N, Teyssier, D, Jellema, W, Shipman, R, Schieder, R, Honingh, N, Caux, E, Bächtold, W, Csillaghy, A, Monstein, C, Bachiller, R, Baudry, A, Benedettini, M, Bergin, E, Bjerkeli, P, Blake, G. A, Bontemps, S, Braine, J, Caselli, P, Cernicharo, J, Codella, C, Daniel, F, di Giorgio, A. M, Dominik, C, Encrenaz, P, Fich, M, Fuente, A, Goicoechea, J. R, Helmich, F, Herczeg, G. J, Herpin, F, Hogerheijde, M. R, Jacq, T, Johnstone, D, Jørgensen, J. K, Kristensen, L. E, Larsson, B, Lis, D, Liseau, R, Marseille, M, McCoey, C, Melnick, G, Neufeld, D, Nisini, B, Olberg, M, Parise, B, Pearson, J. C, Plume, R, Risacher, C, Santiago-Garcia, J, Saraceno, P, Tafalla, M, van Kempen, T. A, Visser, R, Wyrowski, F

“…The Heterodyne Instrument for the Far Infrared (HIFI) onboard the Herschel Space Observatory allows the first observations of light diatomic molecules at high…”
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Water in low-mass star-forming regions with Herschel: HIFI spectroscopy of NGC1333 by Kristensen, L. E, Visser, R, van Dishoeck, E. F, Yıldız, U. A, Doty, S. D, Herczeg, G. J, Liu, F. -C, Parise, B, Jørgensen, J. K, van Kempen, T. A, Brinch, C, Wampfler, S. F, Bruderer, S, Benz, A. O, Hogerheijde, M. R, Deul, E, Bachiller, R, Baudry, A, Benedettini, M, Bergin, E. A, Bjerkeli, P, Blake, G. A, Bontemps, S, Braine, J, Caselli, P, Cernicharo, J, Codella, C, Daniel, F, de Graauw, Th, di Giorgio, A. M, Dominik, C, Encrenaz, P, Fich, M, Fuente, A, Giannini, T, Goicoechea, J. R, Helmich, F, Herpin, F, Jacq, T, Johnstone, D, Kaufman, M. J, Larsson, B, Lis, D, Liseau, R, Marseille, M, McCoey, C, Melnick, G, Neufeld, D, Nisini, B, Olberg, M, Pearson, J. C, Plume, R, Risacher, C, Santiago-Garcia, J, Saraceno, P, Shipman, R, Tafalla, M, Tielens, A. G. G. M, van der Tak, F, Wyrowski, F, Beintema, D, de Jonge, A, Dieleman, P, Ossenkopf, V, Roelfsema, P, Stutzki, J, Whyborn, N

“…'Water In Star-forming regions with Herschel' (WISH) is a key programme dedicated to studying the role of water and related species during the star-formation…”
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Dust, Ice and Gas in Time (DIGIT) Herschel program first results: A full PACS-SED scan of the gas line emission in protostar DK Cha by van Kempen, T. A, Green, J. D, Evans, N. J, van Dishoeck, E. F, Kristensen, L. E, Herczeg, G. J, Merin, B, Lee, J. -E, Joergensen, J. K. J, Bouwman, J, Acke, B, Adamkovics, M, Augereau, J. C, Bergin, E, Blake, G. A, Brown, J. M, Carr, J. S, Chen, J. -H, Cieza, L, Dominik, C, Dullemond, C. P, Dunham, M. M, Glassgold, A, Güdel, M, Harvey, P. M, Henning, Th, Hogerheijde, M. R, Jaffe, D, Kim, H. J, Knez, C, Lacy, J. H, Maret, S, Meeus, G, Meijerink, R, Mulders, G. D, Mundy, L, Najita, J, Olofsson, J, Pontoppidan, K. M, Salyk, C, Sturm, B, Visser, R, Waters, L. B. F. M, Waelkens, C, Yıldız, U. A

“…DK Cha is an intermediate-mass star in transition from an embedded configuration to a star plus disk stage. We aim to study the composition and energetics of…”
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Water in Star-forming Regions with theHerschel Space Observatory(WISH). I. Overview of Key Program and First Results by van Dishoeck, E. F., Kristensen, L. E., Benz, A. O., Bergin, E. A., Caselli, P., Cernicharo, J., Herpin, F., Hogerheijde, M. R., Johnstone, D., Liseau, R., Nisini, B., Shipman, R., Tafalla, M., van der Tak, F., Wyrowski, F., Aikawa, Y., Bachiller, R., Baudry, A., Benedettini, M., Bjerkeli, P., Blake, G. A., Bontemps, S., Braine, J., Brinch, C., Bruderer, S., Chavarría, L., Codella, C., Daniel, F., de Graauw, Th, Deul, E., di Giorgio, A. M., Dominik, C., Doty, S. D., Dubernet, M. L., Encrenaz, P., Feuchtgruber, H., Fich, M., Frieswijk, W., Fuente, A., Giannini, T., Goicoechea, J. R., Helmich, F. P., Herczeg, G. J., Jacq, T., Jørgensen, J. K., Karska, A., Kaufman, M. J., Keto, E., Larsson, B., Lefloch, B., Lis, D., Marseille, M., McCoey, C., Melnick, G., Neufeld, D., Olberg, M., Pagani, L., Panić, O., Parise, B., Pearson, J. C., Plume, R., Risacher, C., Salter, D., Santiago-García, J., Saraceno, P., Stäuber, P., van Kempen, T. A., Visser, R., Viti, S., Walmsley, M., Wampfler, S. F., Yıldız, U. A.

“…Water In Star-forming regions withHerschel(WISH) is a key program on theHerschel Space Observatorydesigned to probe the physical and chemical structures of…”
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Striations in the Taurus molecular cloud: Kelvin-Helmholtz instability or MHD waves? by Heyer, M, Goldsmith, P. F, Yildiz, U. A, Snell, R. L, Falgarone, E, Pineda, J

“…The origin of striations aligned along the local magnetic field direction in the translucent envelope of the Taurus molecular cloud is examined with new…”
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Herschel Measurements of Molecular Oxygen in Orion by Goldsmith, Paul F, Liseau, René, Bell, Tom A, Black, John H, Chen, Jo-Hsin, Hollenbach, David, Kaufman, Michael J, Li, Di, Lis, Dariusz C, Melnick, Gary, Neufeld, David, Pagani, Laurent, Snell, Ronald, Benz, Arnold O, Bergin, Edwin, Bruderer, Simon, Caselli, Paola, Caux, Emmanuel, Encrenaz, Pierre, Falgarone, Edith, Gerin, Maryvonne, Goicoechea, Javier R, Hjalmarson, Åke, Larsson, Bengt, Le Bourlot, Jacques, Le Petit, Franck, De Luca, Massimo, Nagy, Zsofia, Roueff, Evelyne, Sandqvist, Aage, van der Tak, Floris, van Dishoeck, Ewine F, Vastel, Charlotte, Viti, Serena, Yıldız, Umut

“…We report observations of three rotational transitions of molecular oxygen (O2) in emission from the H2 Peak 1 position of vibrationally excited molecular…”
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Origin of warm and hot gas emission from low-mass protostars: Herschel-HIFI observations of CO J=16-15. I. Line profiles, physical conditions, and H2O abundance by Kristensen, L. E, van Dishoeck, E. F, Mottram, J. C, Karska, A, Yildiz, U. A, Bergin, E. A, Bjerkeli, P, Cabrit, S, Doty, S, EvansII, N. J, Gusdorf, A, Harsono, D, Herczeg, G. J, Johnstone, D, Jørgensen, J. K, van Kempen, T. A, Lee, J. -E, Maret, S, Tafalla, M, Visser, R, Wampfler, S. F

“…A&A 605, A93 (2017) (Abridged) Through spectrally unresolved observations of high-J CO transitions, Herschel-PACS has revealed large reservoirs of warm (300 K)…”
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HERSCHEL HIFI OBSERVATIONS OF O 2 TOWARD ORION: SPECIAL CONDITIONS FOR SHOCK ENHANCED EMISSION by Chen, Jo-Hsin, Goldsmith, Paul F., Viti, Serena, Snell, Ronald, Lis, Dariusz C., Benz, Arnold, Bergin, Edwin, Black, John, Caselli, Paola, Encrenaz, Pierre, Falgarone, Edith, Goicoechea, Javier R., Hjalmarson, Åke, Hollenbach, David, Kaufman, Michael, Melnick, Gary, Neufeld, David, Pagani, Laurent, van der Tak, Floris, van Dishoeck, Ewine, Yıldız, Umut A.

“…We report observations of molecular oxygen (O-2) rotational transitions at 487 GHz, 774 GHz, and 1121 GHz toward Orion Peak A. The O-2 lines at 487 GHz and 774…”
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The hot core towards the intermediate mass protostar NGC7129 FIRS 2: Chemical similarities with Orion KL by Fuente, A, Cernicharo, J, Caselli, P, McCoey, C, Johnstone, D, Fich, M, van Kempen, T, Palau, Aina, Yildiz, U. A, Tercero, B, López, A

“…A&A 568, A65 (2014) NGC 7129 FIRS 2 (hereafter FIRS 2) is an intermediate-mass (2 to 8 Msun) protostar located at a distance of 1250 pc. High spatial…”
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