Massive stars in the SDSS-IV/APOGEE SURVEY. I. OB stars

A. Roman-Lopes; C. Román-Zúñiga; Mauricio Tapia; Drew Chojnowski; Y. Gómez Maqueo Chew; D. A. García-Hernández; Jura Borissova; Dante Minniti; Kevin R. Covey; Penélope Longa-Peña; J. G. Fernandez-Trincado; Olga Zamora; Christian Nitschelm

doi:10.3847/1538-4357/aaac27

Massive stars in the SDSS-IV/APOGEE SURVEY. I. OB stars

A. Roman-Lopes, C. Román-Zúñiga, Mauricio Tapia, Drew Chojnowski, Y. Gómez Maqueo Chew, D. A. García-Hernández, Jura Borissova, Dante Minniti, Kevin R. Covey, Penélope Longa-Peña, J. G. Fernandez-Trincado, Olga Zamora, Christian Nitschelm

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15 Citas (Scopus)

Resumen

In this work, we make use of DR14 APOGEE spectroscopic data to study a sample of 92 known OB stars. We developed a near-infrared semi-empirical spectral classification method that was successfully used in case of four new exemplars, previously classified as later B-type stars. Our results agree well with those determined independently from ECHELLE optical spectra, being in line with the spectral types derived from the "canonical" MK blue optical system. This confirms that the APOGEE spectrograph can also be used as a powerful tool in surveys aiming to unveil and study a large number of moderately and highly obscured OB stars still hidden in the Galaxy.

Idioma original	Inglés
Número de artículo	68
Publicación	Astrophysical Journal
Volumen	855
N.º	1
DOI	https://doi.org/10.3847/1538-4357/aaac27
Estado	Publicada - 1 mar. 2018

Áreas temáticas de ASJC Scopus

Astronomía y astrofísica
Ciencias planetarias y espacial

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10.3847/1538-4357/aaac27

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Roman-Lopes, A., Román-Zúñiga, C., Tapia, M., Chojnowski, D., Gómez Maqueo Chew, Y., García-Hernández, D. A., Borissova, J., Minniti, D., Covey, K. R., Longa-Peña, P., Fernandez-Trincado, J. G., Zamora, O., & Nitschelm, C. (2018). Massive stars in the SDSS-IV/APOGEE SURVEY. I. OB stars. Astrophysical Journal, 855(1), Artículo 68. https://doi.org/10.3847/1538-4357/aaac27

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AU - Roman-Lopes, A.

AU - Román-Zúñiga, C.

AU - Tapia, Mauricio

AU - Chojnowski, Drew

AU - Gómez Maqueo Chew, Y.

AU - García-Hernández, D. A.

AU - Borissova, Jura

AU - Minniti, Dante

AU - Covey, Kevin R.

AU - Longa-Peña, Penélope

AU - Fernandez-Trincado, J. G.

AU - Zamora, Olga

AU - Nitschelm, Christian

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AB - In this work, we make use of DR14 APOGEE spectroscopic data to study a sample of 92 known OB stars. We developed a near-infrared semi-empirical spectral classification method that was successfully used in case of four new exemplars, previously classified as later B-type stars. Our results agree well with those determined independently from ECHELLE optical spectra, being in line with the spectral types derived from the "canonical" MK blue optical system. This confirms that the APOGEE spectrograph can also be used as a powerful tool in surveys aiming to unveil and study a large number of moderately and highly obscured OB stars still hidden in the Galaxy.

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KW - Infrared

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Massive stars in the SDSS-IV/APOGEE SURVEY. I. OB stars

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