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A Population of Cold Cores in the Galactic Plane
Open accessAbstract
Recent observations by the Midcourse Space Experiment ( MSX ) have revealed the presence of compact objects seen in absorption against bright mid-infrared emission from the Galactic plane. Examination of MSX and IRAS images of these objects reveal that they are dark from 7 to 100 μm. We find ~2000 clouds in a 1° × 180° scan along the Galactic equator. The data suggest these objects are dense ( n > 10 5 cm −3 ), cold ( T <20 K) cores, without accompanying envelopes.
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Citations
Cited by
Star Formation in the Milky Way and Nearby Galaxies
Kennicutt, R. C., & Evans, N. J. (2012) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081811-125610 · Cited by 2,902
“Complementary surveys of clouds have been done using mid-infrared extinction (e.g., Perault et al. 1996; Egan et al. 1998; Peretto & Fuller 2009), which can identify Infrared Dark Clouds (IRDCs) against the Galactic background emission.”
MethodWhat controls star formation in the central 500 pc of the Galaxy?
Kruijssen, J. M. D., Longmore, S. N., Elmegreen, B. G., Murray, N., Bally, J., Testi, L., & Kennicutt, R. C. (2014) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stu494 · Cited by 288
Yusef-Zadeh, F., Hewitt, J. W., Arendt, R. G., Whitney, B., Rieke, G., Wardle, M., Hinz, J. L., Stolovy, S., Lang, C. C., Burton, M. G., et al. (2009) · The Astrophysical Journal · doi:10.1088/0004-637x/702/1/178 · Cited by 217
The Galactic center chimneys: the base of the multiphase outflow of the Milky Way
Ponti, G., Morris, M. R., Churazov, E., Heywood, I., & Fender, R. P. (2021) · Astronomy & Astrophysics · doi:10.1051/0004-6361/202039636 · Cited by 50
Metadata
- Authors
- Egan, M. P., Shipman, R. F., Price, S. D., Carey, S. J., Clark, F. O., & Cohen, M.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1998-02-20
- Volume
- 494
- Issue
- 2
- Pages
- L199-L202
- ISSN
- 0004-637X (ISSN-L)
- OpenAlex
- W2076200232
- Cited by
- 421
- References
- 0
- FWCI
- 5.77
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: A Population of Cold Cores in the Galactic Plane. https://app.cochat.ai/papers/10.1086/311198
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- Egan, M. P., Shipman, R. F., Price, S. D., Carey, S. J., Clark, F. O., & Cohen, M. (1998). A Population of Cold Cores in the Galactic Plane. The Astrophysical Journal. https://doi.org/10.1086/311198
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
