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Related papers: Image Profile (IMPRO) Fitting of Massive Protostar…

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We study centimeter continuum emission of eight high- and intermediate-mass protostars that are part of the SOFIA Massive (SOMA) Star Formation Survey, thus building extended spectral energy distributions (SEDs) from the radio to the…

Solar and Stellar Astrophysics · Physics 2019-03-06 V. Rosero , K. E. I. Tanaka , J. C. Tan , J. Marvil , M. Liu , Y. Zhang , J. M. De Buizer , M. T. Beltrán

We present multi-wavelength images observed with SOFIA-FORCAST from $\sim$10 to 40 $\mu$m of seven high luminosity massive protostars, as part of the SOFIA Massive (SOMA) Star Formation Survey. Source morphologies at these wavelengths…

We present $\sim10-40\,\mu$m SOFIA-FORCAST images of 11 isolated protostars as part of the SOFIA Massive (SOMA) Star Formation Survey, with this morphological classification based on 37 $\mu$m imaging. We develop an automated method to…

We present $\sim10-40\,\mu$m SOFIA-FORCAST images of 14 intermediate-mass protostar candidates as part of the SOFIA Massive (SOMA) Star Formation Survey. We build spectral energy distributions (SEDs), also utilizing archival Spitzer,…

The rarity of young massive stars combined with the fact that they are often deeply embedded has limited the understanding of their formation. Ground based mid-infrared (IR) interferometry is one way of securing the spatial resolution…

Solar and Stellar Astrophysics · Physics 2019-05-08 A. J. Frost , R. D. Oudmaijer , W. J. de Wit , S. L. Lumsden

We present an overview and first results of the Stratospheric Observatory For Infrared Astronomy Massive (SOMA) Star Formation Survey, which is using the FORCAST instrument to image massive protostars from $\sim10$--$40\:\rm{\mu}\rm{m}$.…

The properties of unresolved protostars and their local environment are frequently inferred from spectral energy distributions (SEDs) using radiative transfer modeling. We perform synthetic observations of realistic star formation…

Solar and Stellar Astrophysics · Physics 2015-06-05 Stella S. R. Offner , Thomas P. Robitaille , Charles E. Hansen , Christopher F. McKee , Richard I. Klein

We present $\sim8-40\,\mu$m SOFIA-FORCAST images of seven regions of ``clustered" star formation as part of the SOFIA Massive (SOMA) Star Formation Survey. We identify a total of 34 protostar candidates and build their spectral energy…

Fitting the spectral energy distributions (SEDs) of galaxies is an almost universally used technique that has matured significantly in the last decade. Model predictions and fitting procedures have improved significantly over this time,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 C. J. Walcher , B. Groves , T. Budavari , D. Dale

Sophisticated spectral energy distribution (SED) models describe dust attenuation and emission using geometry parameters. This treatment is natural since dust effects are driven by the underlying star-dust geometry in galaxies. An example…

Astrophysics of Galaxies · Physics 2022-12-28 Yisheng Qiu , Xi Kang , Yu Luo

We aim to estimate and analyse the physical properties of the infrared counterparts of HMPOs by comparing their spectral energy distributions (SED) with those predicted by radiative transfer accretion models of YSOs. The SED of 68 IRCs are…

Solar and Stellar Astrophysics · Physics 2009-11-13 J. M. C. Grave , M. S. N. Kumar

Concatenating data from the millimetre regime to the infrared, we have performed spectral energy distribution modelling for 227 of the 405 millimetre continuum sources of Hill et al. (2005) which are thought to contain young massive stars…

Astrophysics · Physics 2009-11-13 T. Hill , C. Pinte , V. Minier , M. G. Burton , M. R. Cunningham

Numerous high-$z$ galaxies have recently been observed with JWST, providing new insights into early galaxy evolution. Their physical properties are typically derived through spectral energy distribution (SED) fitting, but the reliability of…

Astrophysics of Galaxies · Physics 2026-02-25 Jiyoung Choe , Taysun Kimm , Harley Katz , Maxime Rey , Daniel Han , J. K. Jang , Joki Rosdahl

Estimating physical properties of galaxies from wide-field surveys remains a central challenge in astrophysics. While spectroscopy provides precise measurements, it is observationally expensive, and photometry discards morphological…

Instrumentation and Methods for Astrophysics · Physics 2025-12-05 Mikaeel Yunus , John F. Wu , Benne W. Holwerda

The primary method for inferring the stellar mass ($M_*$) of a galaxy is through spectral energy distribution (SED) modeling. However, the technique rests on assumptions such as the galaxy star formation history and dust attenuation law…

Astrophysics of Galaxies · Physics 2020-11-24 Sidney Lower , Desika Narayanan , Joel Leja , Benjamin D. Johnson , Charlie Conroy , Romeel Davé

Spectral Energy Distribution (SED) fitting in the far-infrared (FIR) is greatly limited by a dearth of data and an excess of free parameters - from galaxies' dust composition, temperature, mass, orientation, opacity, to heating from AGN.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Caitlin M. Casey

We present a continuum radiative transfer model grid for fitting observed spectral energy distributions (SEDs) of massive protostars. The model grid is based on the paradigm of core accretion theory for massive star formation with…

Astrophysics of Galaxies · Physics 2018-01-31 Yichen Zhang , Jonathan C. Tan

The Spitzer-GLIMPSE point source catalog and images have been used to study a sample of 381 massive protostellar candidates. IRAC-Point source photometry was used to analyse colours, magnitudes and spectral indicies of the infrared…

Astrophysics · Physics 2008-02-15 M. S. N. Kumar , J. M. C. Grave

We present 30 and 40 micron imaging of the massive protostar G35.20-0.74 with SOFIA-FORCAST. The high surface density of the natal core around the protostar leads to high extinction, even at these relatively long wavelengths, causing the…

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