All Outputs (8)

The ALMA detection of CO rotational line emission in AGB stars in the Large Magellanic Cloud (2016)
Journal Article
Van Loon. (2016). The ALMA detection of CO rotational line emission in AGB stars in the Large Magellanic Cloud. Astronomy and Astrophysics, https://doi.org/10.1051/0004-6361/201629590

Context. Low- and intermediate-mass stars lose most of their stellar mass at the end of their lives on the asymptotic giant branch (AGB). Determining gas and dust mass-loss rates (MLRs) is important in quantifying the contribution of evolved stars to... Read More about The ALMA detection of CO rotational line emission in AGB stars in the Large Magellanic Cloud.

The mass-loss rates of red supergiants at low metallicity: detection of rotational CO emission from two red supergiants in the Large Magellanic Cloud (2016)
Journal Article
Van Loon. (2016). The mass-loss rates of red supergiants at low metallicity: detection of rotational CO emission from two red supergiants in the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 2995 - 3005. https://doi.org/10.1093/mnras/stw1853

Using the PACS and SPIRE spectrometers on-board the Herschel Space Observatory, we obtained spectra of two red supergiants (RSGs) in the Large Magellanic Cloud (LMC). Multiple rotational CO emission lines (J = 6–5 to 15-14) and 15 H2O lines were dete... Read More about The mass-loss rates of red supergiants at low metallicity: detection of rotational CO emission from two red supergiants in the Large Magellanic Cloud.

The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity (2016)
Journal Article
Goldman, S. R., van Loon, J. T., Zijlstra, A. A., Green, J. A., Wood, P. R., Nanni, A., …Gómez, J. F. (2017). The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity. Monthly Notices of the Royal Astronomical Society, 465(1), 403-433. https://doi.org/10.1093/mnras/stw2708

We present the results of our survey of 1612-MHz circumstellar OH maser emission from asymptotic giant branch (AGB) stars and red supergiants (RSGs) in the Large Magellanic Cloud (LMC). We have discovered four new circumstellar maser sources in the L... Read More about The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity.

K-band integral field spectroscopy and optical spectroscopy of massive young stellar objects in the Small Magellanic Cloud (2016)
Journal Article
Ward, J., Oliveira, J., Van Loon, J. T., & Sewiło, M. (2017). K-band integral field spectroscopy and optical spectroscopy of massive young stellar objects in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 464(2), 1512 -1552. https://doi.org/10.1093/mnras/stw2386

We present K-band integral field spectroscopic observations towards 17 massive young stellar objects (YSOs) in the low-metallicity Small Magellanic Cloud (SMC) and two YSO candidates in the compact H?II regions N81 and N88 A (also in the SMC). These... Read More about K-band integral field spectroscopy and optical spectroscopy of massive young stellar objects in the Small Magellanic Cloud.

The infrared spectral properties of magellanic carbon stars (2016)
Journal Article
Van Loon. (2016). The infrared spectral properties of magellanic carbon stars. Astrophysical Journal, https://doi.org/10.3847/0004-637X/826/1/44

The Infrared Spectrograph on the Spitzer Space Telescope observed 184 carbon stars in the Magellanic Clouds. This sample reveals that the dust-production rate (DPR) from carbon stars generally increases with the pulsation period of the star. The comp... Read More about The infrared spectral properties of magellanic carbon stars.

CK Vul: a smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides) (2016)
Journal Article
Van Loon. (2016). CK Vul: a smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides). Monthly Notices of the Royal Astronomical Society, 2871 - 2876. https://doi.org/10.1093/mnras/stw352

We present observations of CK Vul obtained with the Spitzer Space Telescope. The infrared spectrum reveals a warm dust continuum with nebular, molecular hydrogen and HCN lines superimposed, together with the ‘Unidentified Infrared’ features. The nebu... Read More about CK Vul: a smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides).

New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates (2016)
Journal Article
Van Loon. (2016). New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201527398

Context. Quasi-stellar objects (quasars) located behind nearby galaxies provide an excellent absolute reference system for astrometric studies, but they are difficult to identify because of fore- and background contamination. Deep wide-field, high an... Read More about New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates.

XVII. Proper motions of the Small Magellanic Cloud and the Milky Way globular cluster 47 Tucanae (2016)
Journal Article
Cioni, M. L., Bekki, K., Girardi, L., de Grijs, R., Irwin, M. J., Ivanov, V. D., …Van Loon, J. T. (2016). XVII. Proper motions of the Small Magellanic Cloud and the Milky Way globular cluster 47 Tucanae. Astronomy & Astrophysics, 586, Article A77. https://doi.org/10.1051/0004-6361/201527004

Aims. In this study we use multi-epoch near-infrared observations from the VISTA survey of the Magellanic Cloud system (VMC) to measure the proper motions of different stellar populations in a tile of 1.5 deg2 in size in the direction of the Galactic... Read More about XVII. Proper motions of the Small Magellanic Cloud and the Milky Way globular cluster 47 Tucanae.