Ice chemistry in massive Young Stellar Objects: the role of metallicity

Oliveira, J.M.; van Loon, J.Th.; Sloan, G.C.; Indebetouw, R.; Kemper, F.; Tielens, A.G. G. M.; Simon, J.D.; Woods, Paul M.; Meixner, M.

doi:10.1111/j.1745-3933.2010.00990.x

THE VMC SURVEY. XI. RADIAL STELLAR POPULATION GRADIENTS IN THE GALACTIC GLOBULAR CLUSTER 47 TUCANAE (2014)
Journal Article
Li, C., de Grijs, R., Deng, L., Rubele, S., Wang, C., Bekki, K., …van Loon, J. T. (in press). THE VMC SURVEY. XI. RADIAL STELLAR POPULATION GRADIENTS IN THE GALACTIC GLOBULAR CLUSTER 47 TUCANAE. Astrophysical Journal, 790(1), 35. https://doi.org/10.1088/0004-637x/790/1/35

We present a deep near-infrared color–magnitude diagram of the Galactic globular cluster 47 Tucanae, obtained with the Visible and Infrared Survey Telescope for Astronomy (VISTA) as part of the VISTA near-infrared Y, J, Ks survey of the Magellanic Sy... Read More about THE VMC SURVEY. XI. RADIAL STELLAR POPULATION GRADIENTS IN THE GALACTIC GLOBULAR CLUSTER 47 TUCANAE.

Spitzer View Of Massive Star Formation In The Tidally Stripped Magellanic Bridge (2014)
Journal Article
Rosie Chen, C., Indebetouw, R., Muller, E., Kawamura, A., Gordon, K. D., Sewiło, M., …Van Loon, J. (2014). Spitzer View Of Massive Star Formation In The Tidally Stripped Magellanic Bridge. Astrophysical Journal, 785(2), Article 162. https://doi.org/10.1088/0004-637X/785/2/162

The Magellanic Bridge is the nearest low-metallicity, tidally stripped environment, offering a unique high-resolution view of physical conditions in merging and forming galaxies. In this paper, we present an analysis of candidate massive young stella... Read More about Spitzer View Of Massive Star Formation In The Tidally Stripped Magellanic Bridge.

The VLT-FLAMES Tarantula Survey: XVI. The optical and NIR extinction laws in 30 Doradus and the photometric determination of the effective temperatures of OB stars⋆ (2014)
Journal Article
Maíz Apellániz, J., Evans, C. J., Barbá, R. H., Gräfener, G., Bestenlehner, J. M., Crowther, P. A., …Walborn, N. R. (2014). The VLT-FLAMES Tarantula Survey: XVI. The optical and NIR extinction laws in 30 Doradus and the photometric determination of the effective temperatures of OB stars⋆. Astronomy & Astrophysics, 564, A63. https://doi.org/10.1051/0004-6361/201423439

Context. The commonly used extinction laws of Cardelli et al. (1989, ApJ, 345, 245) have limitations that, among other issues, hamper the determination of the effective temperatures of O and early B stars from optical and near-infrared (NIR) photomet... Read More about The VLT-FLAMES Tarantula Survey: XVI. The optical and NIR extinction laws in 30 Doradus and the photometric determination of the effective temperatures of OB stars⋆.

The VMC survey IX. Pilot study of the proper motion of stellar populations in the LMC from 2MASS and VISTA data (2014)
Journal Article
Cioni, M., Girardi, L., Moretti, M., Piffl, T., Ripepi, V., Rubele, S., …Van Loon, J. (2014). The VMC survey IX. Pilot study of the proper motion of stellar populations in the LMC from 2MASS and VISTA data. Astronomy & Astrophysics, 562, Article A32. https://doi.org/10.1051/0004-6361/201322100

Context. Proper motion (PM) studies are fundamental ingredients in the understanding of the orbital history of galaxies. Current measurements do not yet provide a satisfactory answer to the possible scenarios for the formation and evolution of the Ma... Read More about The VMC survey IX. Pilot study of the proper motion of stellar populations in the LMC from 2MASS and VISTA data.

Molecular hydrogen emission in the interstellar medium of the Large Magellanic Cloud (2014)
Journal Article
Naslim, N., Kemper, F., Madden, S. C., Hony, S., Chu, Y., Galliano, F., …Reach, W. T. (2014). Molecular hydrogen emission in the interstellar medium of the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 446(3), 2490 - 2504. https://doi.org/10.1093/mnras/stu2276

We present the detection and analysis of molecular hydrogen emission towards ten interstellar regions in the Large Magellanic Cloud. We examined low-resolution infrared spectral maps of 12 regions obtained with the Spitzer infrared spectrograph (IRS)... Read More about Molecular hydrogen emission in the interstellar medium of the Large Magellanic Cloud.

The VMC Survey – X. Cepheids, RR Lyrae stars and binaries as probes of the Magellanic System's structure★ (2013)
Journal Article
Moretti, M. I., Clementini, G., Muraveva, T., Ripepi, V., Marquette, J. B., Cioni, M. L., …van Loon, J. T. (2013). The VMC Survey – X. Cepheids, RR Lyrae stars and binaries as probes of the Magellanic System's structure★. Monthly Notices of the Royal Astronomical Society, 437(3), 2702-2719. https://doi.org/10.1093/mnras/stt2081

The VISTA near-infrared Y, J, Ks survey of the Magellanic System (VMC) survey is obtaining multi-epoch photometry in the Ks band of the Magellanic System down to a limiting magnitude of Ks ∼ 19.3 for individual epoch data. The observations are spaced... Read More about The VMC Survey – X. Cepheids, RR Lyrae stars and binaries as probes of the Magellanic System's structure★.

SURVEYING THE AGENTS OF GALAXY EVOLUTION IN THE TIDALLY STRIPPED, LOW METALLICITY SMALL MAGELLANIC CLOUD (SAGE-SMC). III. YOUNG STELLAR OBJECTS (2013)
Journal Article
Sewiło, M., Carlson, L. R., Seale, J. P., Indebetouw, R., Meixner, M., Whitney, B. A., …Shiao, B. (in press). SURVEYING THE AGENTS OF GALAXY EVOLUTION IN THE TIDALLY STRIPPED, LOW METALLICITY SMALL MAGELLANIC CLOUD (SAGE-SMC). III. YOUNG STELLAR OBJECTS. Astrophysical Journal, 778(1), 15. https://doi.org/10.1088/0004-637x/778/1/15

The Spitzer Space Telescope Legacy Program SAGE-SMC allows global studies of resolved stellar populations in the SMC in a different environment than our Galaxy. Using the SAGE-SMC IRAC (3.6–8.0 μm) and MIPS (24 and 70 μm) catalogs and images combined... Read More about SURVEYING THE AGENTS OF GALAXY EVOLUTION IN THE TIDALLY STRIPPED, LOW METALLICITY SMALL MAGELLANIC CLOUD (SAGE-SMC). III. YOUNG STELLAR OBJECTS.

The VLT-FLAMES Tarantula Survey: XI. A census of the hot luminous stars and their feedback in 30 Doradus (2013)
Journal Article
Doran, E. I., Crowther, P. A., de Koter, A., Evans, C. J., McEvoy, C., Walborn, N. R., …Vink, J. S. (2013). The VLT-FLAMES Tarantula Survey: XI. A census of the hot luminous stars and their feedback in 30 Doradus. Astronomy & Astrophysics, 558, Article A134. https://doi.org/10.1051/0004-6361/201321824

Context. The VLT-FLAMES Tarantula Survey has an extensive view of the copious number of massive stars in the 30 Doradus (30 Dor) star forming region of the Large Magellanic Cloud. These stars play a crucial role in our understanding of the stellar fe... Read More about The VLT-FLAMES Tarantula Survey: XI. A census of the hot luminous stars and their feedback in 30 Doradus.

The Herschel inventory of the agents of galaxy evolution in the Magellanic Clouds, a Herschel open time key program (2013)
Journal Article
Meixner, M., Panuzzo, P., Roman-Duval, J., Engelbracht, C., Babler, B., Seale, J., …Whitney, B. (2013). The Herschel inventory of the agents of galaxy evolution in the Magellanic Clouds, a Herschel open time key program. Astronomical Journal, 146(3), Article 62. https://doi.org/10.1088/0004-6256/146/3/62

We present an overview of the HERschel Inventory of The Agents of Galaxy Evolution (HERITAGE) in the Magellanic Clouds project, which is a Herschel Space Observatory open time key program. We mapped the Large Magellanic Cloud (LMC) and Small Magellan... Read More about The Herschel inventory of the agents of galaxy evolution in the Magellanic Clouds, a Herschel open time key program.

CARBON MONOXIDE IN THE COLD DEBRIS OF SUPERNOVA 1987A (2013)
Journal Article
Kamenetzky, J., McCray, R., Indebetouw, R., Barlow, M. J., Matsuura, M., Baes, M., …Zanardo, G. (in press). CARBON MONOXIDE IN THE COLD DEBRIS OF SUPERNOVA 1987A. Astrophysical Journal Letters, 773(2), L34. https://doi.org/10.1088/2041-8205/773/2/l34

We report spectroscopic and imaging observations of rotational transitions of cold CO and SiO in the ejecta of SN1987A, the first such emission detected in a supernova remnant. In addition to line luminosities for the CO J = 1–0, 2–1, 6–5, and 7–6 tr... Read More about CARBON MONOXIDE IN THE COLD DEBRIS OF SUPERNOVA 1987A.

DUSTY OB STARS IN THE SMALL MAGELLANIC CLOUD. I. OPTICAL SPECTROSCOPY REVEALS PREDOMINANTLY MAIN-SEQUENCE OB STARS (2013)
Journal Article
Sheets, H. A., Bolatto, A. D., van Loon, J. T., Sandstrom, K., Simon, J. D., Oliveira, J. M., & Barbá, R. H. (in press). DUSTY OB STARS IN THE SMALL MAGELLANIC CLOUD. I. OPTICAL SPECTROSCOPY REVEALS PREDOMINANTLY MAIN-SEQUENCE OB STARS. Astrophysical Journal, 771(2), Article 111. https://doi.org/10.1088/0004-637x/771/2/111

We present the results of optical spectroscopic follow-up of 125 candidate main sequence OB stars in the Small Magellanic Cloud (SMC) that were originally identified in the S3MC infrared imaging survey as showing an excess of emission at 24 μm indica... Read More about DUSTY OB STARS IN THE SMALL MAGELLANIC CLOUD. I. OPTICAL SPECTROSCOPY REVEALS PREDOMINANTLY MAIN-SEQUENCE OB STARS.

DUSTY OB STARS IN THE SMALL MAGELLANIC CLOUD. II. EXTRAGALACTIC DISKS OR EXAMPLES OF THE PLEIADES PHENOMENON? (2013)
Journal Article
Adams, J. J., Simon, J. D., Bolatto, A. D., Sloan, G. C., Sandstrom, K. M., Schmiedeke, A., …Keller, L. D. (2013). DUSTY OB STARS IN THE SMALL MAGELLANIC CLOUD. II. EXTRAGALACTIC DISKS OR EXAMPLES OF THE PLEIADES PHENOMENON?. Astrophysical Journal, 771(2), Article ARTN 112. https://doi.org/10.1088/0004-637x/771/2/112

We use mid-infrared Spitzer spectroscopy and far-infrared Herschel photometry for a sample of 20 main sequence O9–B2 stars in the Small Magellanic Cloud (SMC) with strong 24 μm excesses to investigate the origin of the mid-IR emission. Either debris... Read More about DUSTY OB STARS IN THE SMALL MAGELLANIC CLOUD. II. EXTRAGALACTIC DISKS OR EXAMPLES OF THE PLEIADES PHENOMENON?.

Putting the Diffuse Interstellar Bands on the Map – Literally! (2013)
Journal Article
van Loon, J. T. (2013). Putting the Diffuse Interstellar Bands on the Map – Literally!. Proceedings of the International Astronomical Union, 9(S297), 79-83. https://doi.org/10.1017/s1743921313015615

In a quest to further our understanding of the diffuse interstellar medium (ISM) as well as the unidentified carriers of the diffuse interstellar bands (DIBs), we are mapping DIBs across the sky using hundreds of hot stars as background torches – glo... Read More about Putting the Diffuse Interstellar Bands on the Map – Literally!.

The VMC survey: VII. Reddening map of the 30 Doradus field and the structure of the cold interstellar medium (2013)
Journal Article
Tatton, B. L., van Loon, J. T., Cioni, M., Clementini, G., Emerson, J. P., Girardi, L., …Rubele, S. (2013). The VMC survey: VII. Reddening map of the 30 Doradus field and the structure of the cold interstellar medium. Astronomy & Astrophysics, 554, A33. https://doi.org/10.1051/0004-6361/201321209

Context. The details of how galaxies have evolved over cosmological times are imprinted in their star formation history, chemical enrichment and morpho-kinematic structure. Parameters behind these, such as effective temperature and metallicity, can b... Read More about The VMC survey: VII. Reddening map of the 30 Doradus field and the structure of the cold interstellar medium.

The UK Infrared Telescope M33 monitoring project – III. Feedback from dusty stellar winds in the central square kiloparsec (2013)
Journal Article
Javadi, A., van Loon, J. T., Khosroshahi, H., & Mirtorabi, M. T. (2013). The UK Infrared Telescope M33 monitoring project – III. Feedback from dusty stellar winds in the central square kiloparsec. Monthly Notices of the Royal Astronomical Society, 432(4), 2824-2836. https://doi.org/10.1093/mnras/stt640

We have conducted a near-infrared monitoring campaign at the UK Infrared Telescope, of the Local Group spiral galaxy M33 (Triangulum). The main aim was to identify stars in the very final stage of their evolution, and for which the luminosity is more... Read More about The UK Infrared Telescope M33 monitoring project – III. Feedback from dusty stellar winds in the central square kiloparsec.

The thermal dust emission in N158–N159–N160 (LMC) star-forming complex mapped by Spitzer, Herschel and LABOCA (2013)
Journal Article
Galametz, M., Hony, S., Galliano, F., Madden, S. C., Albrecht, M., Bot, C., …van Loon, J. T. (2013). The thermal dust emission in N158–N159–N160 (LMC) star-forming complex mapped by Spitzer, Herschel and LABOCA. Monthly Notices of the Royal Astronomical Society, 431(2), 1596-1617. https://doi.org/10.1093/mnras/stt280

Low-metallicity galaxies exhibit different properties of the interstellar medium (ISM) compared to nearby spiral galaxies. Obtaining a resolved inventory of the various gas and dust components of massive star-forming regions and diffuse ISM is necess... Read More about The thermal dust emission in N158–N159–N160 (LMC) star-forming complex mapped by Spitzer, Herschel and LABOCA.

The VLT-FLAMES Tarantula Survey: IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium⋆ (2013)
Journal Article
van Loon, J. T., Bailey, M., Tatton, B. L., Maíz Apellániz, J., Crowther, P. A., de Koter, A., …Walborn, N. R. (2013). The VLT-FLAMES Tarantula Survey: IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium⋆. Astronomy & Astrophysics, 550, Article A108. https://doi.org/10.1051/0004-6361/201220210

Context. The Tarantula Nebula (a.k.a. 30 Dor) is a spectacular star-forming region in the Large Magellanic Cloud (LMC), seen through gas in the Galactic disc and halo. Diffuse interstellar bands (DIBs) offer a unique probe of the diffuse, cool-warm g... Read More about The VLT-FLAMES Tarantula Survey: IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium⋆.

The VMC Survey: VI. Quasars behind the Magellanic system⋆ (2012)
Journal Article
Cioni, M. L., Kamath, D., Rubele, S., van Loon, J. T., Wood, P. R., Emerson, J. P., …Ripepi, V. (2013). The VMC Survey: VI. Quasars behind the Magellanic system⋆. Astronomy & Astrophysics, 549, Article A29. https://doi.org/10.1051/0004-6361/201219696

Context. The number and spatial distribution of confirmed quasi-stellar objects (QSOs) behind the Magellanic system is limited. This undermines their use as astrometric reference objects for different types of studies. Aims. We have searched for c... Read More about The VMC Survey: VI. Quasars behind the Magellanic system⋆.

Early-stage young stellar objects in the Small Magellanic Cloud (2012)
Journal Article
Oliveira, J., Th. van Loon, J., Sloan, G., Sewiło, M., Kraemer, K., Wood, P., …Simon, J. (2013). Early-stage young stellar objects in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 428(4), 3001-3033. https://doi.org/10.1093/mnras/sts250

We present new observations of 34 YSO candidates in the SMC. The anchor of the analysis is a set of Spitzer-IRS spectra, supplemented by groundbased 3-5 micron spectra, Spitzer and NIR photometry, optical spectroscopy and radio data. The sources' SED... Read More about Early-stage young stellar objects in the Small Magellanic Cloud.

Ice chemistry in massive Young Stellar Objects: the role of metallicity (2011)
Journal Article
Oliveira, J., van Loon, J., Sloan, G., Indebetouw, R., Kemper, F., Tielens, A. G. M., …Meixner, M. (2011). Ice chemistry in massive Young Stellar Objects: the role of metallicity. Monthly Notices of the Royal Astronomical Society: Letters, 411(1), L36–L40. https://doi.org/10.1111/j.1745-3933.2010.00990.x

We present the comparison of the three most important ice constituents (water, CO and CO2) in the envelopes of massive Young Stellar Objects (YSOs), in environments of different metallicities: the Galaxy, the Large Magellanic Cloud (LMC) and, for the... Read More about Ice chemistry in massive Young Stellar Objects: the role of metallicity.

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