What question did this study set out to answer?

Characterize Galactic near-infrared extinction and identify the characteristic colors of stellar populations across different regions of the Milky Way.

April 1, 1994The Astrophysical Journal

COBE diffuse infrared background experiment observations of Galactic reddening and stellar populations

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Authors

RARichard G. ArendtGoddard Space Flight Center GBG. Bruce BerrimanCalifornia Institute of Technology NBN. W. BoggessGoddard Space Flight Center

Discussion

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Implication

Observational survey demonstrates near-infrared extinction and stellar population colors across the Milky Way, indicating late-type giant dominance and localized hot dust emission.

Key Points

Characterize Galactic near-infrared extinction and identify the characteristic colors of stellar populations across different regions of the Milky Way.
Analyzed near-infrared photometric data obtained by the Diffuse Infrared Background Experiment (DIRBE) on the Cosmic Background Explorer (COBE) satellite.
Modeled dust and stellar distributions across the first and fourth Galactic quadrants (0° < l < 90° and 270° < l < 360°).
Near-infrared reddening observed by DIRBE followed established interstellar extinction laws, reaching up to approximately 4 magnitudes of extinction at 1.25 micrometers.
Unreddened Galactic disk colors matched late-K and M giant stars, whereas the Galactic bulge exhibited slightly bluer emission between 2.2 and 3.5 micrometers.
Star-forming regions displayed an approximate 900 K continuum at wavelengths as short as 3.5 micrometers, indicative of emission from hot dust or polycyclic aromatic hydrocarbons.

Cite This Study

Arendt et al. (1994) studied this question.

synapsesocial.com/papers/6a8487c44d02f4f0268d8a89 https://doi.org/10.1086/187316

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Implication

Observational survey demonstrates near-infrared extinction and stellar population colors across the Milky Way, indicating late-type giant dominance and localized hot dust emission.

COBE diffuse infrared background experiment observations of Galactic reddening and stellar populations

Discussion

Member takes

Implication

Key Points

Cite This Study

COBE diffuse infrared background experiment observations of Galactic reddening and stellar populations

Discussion

Member takes

Implication

Key Points

Cite This Study

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