Optical-infrared photometry of the 'isolated' T Tauri star V 4046 SGR

Details Optical-infrared photometry of the 'isolated' T Tauri star V 4046 SGR Optical-infrared photometry of the 'isolated' T Tauri star V 4046 SGR

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...234..230h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 234, no. 1-2, Aug. 1990, p. 230-232. Research supported by SERC.

Astronomy and Astrophysics

Astronomy

8

Infrared Photometry, Stellar Luminosity, Stellar Spectrophotometry, T Tauri Stars, Variable Stars, Visual Photometry, Infrared Astronomy Satellite, Pre-Main Sequence Stars, Stellar Envelopes, Ultraviolet Spectra

Scientific paper

Optical and infrared photometry - including intermediate-band photometry in the 8-13 micron window - of the isolated T Tauri star V 4046 Sgr is presented. The optical photometry is consistent with a K 5 V classification, negligible reddening and distance 42 pc. There is no evidence of a near infrared excess but there is clear evidence for emission by silicate grains at a temperature of about 200 K. There is a possibility that the 10-micron and 20-micron fluxes are variable.

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