Authors:

Morgan Himes

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About Paper:

Young stellar objects (YSOs) are stars in the earliest stages of their formation. The Spitzer/IRAC Candidate YSO (SPICY) catalog contains about 120,000 candidate YSOs in the Galactic midplane, the most common location in our Galaxy to find massive star-forming regions. The ALMA-IMF large program has surveyed 15 nearby regions with the ALMA telescope to probe the origin of the initial mass function (IMF) which describes the distribution of stellar masses in a star cluster. We obtained data from various space and ground telescopes for the SPICY sources located within the 15 regions. We fitted spectral energy distributions (plots of energy versus frequency of light) to the multi-wavelength data to place constraints on YSO physical properties (temperature, luminosity, radius, and mass). By measuring the properties of individual YSOs, we aim to learn about the origin, stellar IMF, age, and star formation rate of the clusters. We can also compare Galactic star formation to extragalactic sources by summing the light contributed by YSOs in a cluster to estimate the number of YSOs in extragalactic star-forming regions where we cannot resolve individual sources. 282

Source:

University of Florida / 2024

Topics:

No topics listed

Co-authors:

Morgan Himes