JHKL photometry of three Herbig-Haro jet sources and a nebulous T Tauri star
Infrared sources have been detected at the positions of the Herbig-Haro jet sources HH 30, DG Tau B, and Haro 6-5 B in the Taurus dark cloud complex. The colors of these Herbig-Haro jet sources in the 1-4 micron wavelength range are comparable to those of the dustiest T Tauri stars, while the K magnitudes corrected for likely interstellar extinction are actually somewhat fainter than those oftypical T Tauri stars in this region. These observations are consistent with the view that these Herbig-Haro jet sources are low-mass premain-sequence stars. The nebulous T Tauri star Haro 6-5 was also observed and found to show both a large infrared excess and an intrinsic-polarization of about 3 percent in visible light. Thus this star seems to resemble HL Tau and DG Tau, which have been suggested as examples of young stars with circumstellar disks. 17 references.
- Research Organization:
- Naval Observatory, Flagstaff, AZ; Computer Sciences Corp., Baltimore, MD; Rensselaer Polytechnic Institute, Troy, NY
- OSTI ID:
- 5658576
- Journal Information:
- Astron. J.; (United States), Journal Name: Astron. J.; (United States) Vol. 90; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
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71 CLASSICAL AND QUANTUM MECHANICS
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COSMIC GASES
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ERUPTIVE VARIABLE STARS
FLUIDS
GASES
INFRARED RADIATION
INTERSTELLAR MAGNETIC FIELDS
MAGNETIC FIELDS
MAIN SEQUENCE STARS
MASS TRANSFER
PHOTOMETRY
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STAR EVOLUTION
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VARIABLE STARS