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Near-infrared and optical observations of IRAS sources in and near dense cores
Abstract
The authors report photometry from 0.4 to 20 μm of 34 IRAS point sources associated with dense cores in dark clouds. The main results of this study are: (1) Stars near cores tend to be visible T Tauri stars, while stars in cores tend to have circumstellar extinction AV ≡ 30 - 90 mag and luminosity ≡1 L_sun;, similar to that of T Tauri stars. (2) The typical highly obscured star is probably accompanied by a luminous structure of substellar temperature, such as a circumstellar disk. (3) In Taurus-Aurigae, stars in cores probably become visible T Tauri stars less than 1×105yr after they attain luminosity greater than ≡0.1 L_sun;. This implies that they are extremely young and may still be accreting.
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Citations
Cited by
THE SPITZER c2d LEGACY RESULTS: STAR-FORMATION RATES AND EFFICIENCIES; EVOLUTION AND LIFETIMES
Evans, N. J., Dunham, M. M., Jørgensen, J. K., Enoch, M. L., Merín, B., van Dishoeck, E. F., Alcalá, J. M., Myers, P. C., Stapelfeldt, K. R., Huard, T. L., et al. (2009) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/181/2/321 · Cited by 1,649
Self-citationTHE MASS DEPENDENCE BETWEEN PROTOPLANETARY DISKS AND THEIR STELLAR HOSTS
Andrews, S. M., Rosenfeld, K. A., Kraus, A. L., & Wilner, D. J. (2013) · The Astrophysical Journal · doi:10.1088/0004-637x/771/2/129 · Cited by 733
Whitney, B. A., Wood, K., Bjorkman, J. E., & Wolff, M. J. (2003) · The Astrophysical Journal · doi:10.1086/375415 · Cited by 485
A Brγ Probe of Disk Accretion in T Tauri Stars and Embedded Young Stellar Objects
Muzerolle, J., Hartmann, L., & Calvet, N. (1998) · The Astronomical Journal · doi:10.1086/300636 · Cited by 366
On the Evolutionary Status of Class I Stars and Herbig‐Haro Energy Sources in Taurus‐Auriga
White, R. J., & Hillenbrand, L. A. (2004) · The Astrophysical Journal · doi:10.1086/425115 · Cited by 355
Metadata
- Authors
- Myers, P. C., Fuller, G. A., Mathieu, R. D., Beichman, C. A., Benson, P. J., Schild, R. E., & Emerson, J. P.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1987-08
- Volume
- 319
- Pages
- 340
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1999263013
- Cited by
- 265
- References
- 0
- FWCI
- 11.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Near-infrared and optical observations of IRAS sources in and near dense cores. https://app.cochat.ai/papers/10.1086/165458
- The paper
- Myers, P. C., Fuller, G. A., Mathieu, R. D., Beichman, C. A., Benson, P. J., Schild, R. E., & Emerson, J. P. (1987). Near-infrared and optical observations of IRAS sources in and near dense cores. The Astrophysical Journal. https://doi.org/10.1086/165458
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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