2003ApJ...592L..83C

Query : 2003ApJ...592L..83C

2003ApJ...592L..83C - Astrophys. J., 592, L83-L86 (2003/August-1)

Observations of DG Tauri with the Keck interferometer.

COLAVITA M.M., AKESON R., WIZINOWICH P., SHAO M., ACTON S., BELETIC J., BELL J., BERLIN J., BODEN A., BOOTH A., BOUTELL R., CHAFFEE F., CHAN D., CHOCK J., COHEN R., CRAWFORD S., CREECH-EAKMAN M., EYCHANER G., FELIZARDO C., GATHRIGHT J., HARDY G., HENDERSON H., HERSTEIN J., HESS M., HOVLAND E., HRYNEVYCH M., JOHNSON R., KELLEY J., KENDRICK R., KORESKO C., KURPIS P., LE MIGNANT D., LEWIS H., LIGON E., LUPTON W., McBRIDE D., MENNESSON B., MILLAN-GABET R., MONNIER J., MOORE J., NANCE C., NEYMAN C.R., NIESSNER A., PALMER D., REDER L., RUDEEN A., SALOGA T., SARGENT A., SERABYN E., SMYTHE R., STOMSKI P., SUMMERS K., SWAIN M., SWANSON P.N., THOMPSON R., TSUBOTA K., TUMMINELLO A., VAN BELLE G.T., VASISHT G., VAUSE J., WALKER J., WALLACE K. and WEHMEIER U.

Abstract (from CDS):

We present the first science results from the Keck Interferometer, a direct-detection infrared interferometer utilizing the two 10 m Keck telescopes. The instrument and system components are briefly described. We then present observations of the T Tauri object DG Tau, which is resolved by the interferometer. The resolved component has a radius of 0.12-0.24 AU, depending on the assumed stellar and extended component fluxes and the model geometry used. Possible origins and implications of the resolved emission are discussed.

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Journal keyword(s): Stars: Circumstellar Matter - Instrumentation: Interferometers - Stars: Pre-Main-Sequence

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* T Tau TT* 04 21 59.4319873992 +19 32 06.432393336   11.22 10.12 9.80   K0IV/Ve 1456 1
2 V* DG Tau TT* 04 27 04.6921275888 +26 06 16.060169268 13.57 13.97 10.50 12.28   K6Ve 1092 1
3 HD 283668 PM* 04 27 52.9092842784 +24 26 41.877432536   10.32   8.8   K2 73 0
4 HD 282230 * 04 31 23.1490473816 +31 16 41.394735696   9.83 9.0     K0 21 0
5 HD 29050 PM* 04 35 17.2307371464 +23 02 42.627560928   9.67 8.9     G8V 34 0
6 V* SU Aur Or* 04 55 59.3866872552 +30 34 01.499608092   10.33 9.30 9.17   G2IIIne 628 0
7 V* FU Ori Or* 05 45 22.3647842544 +09 04 12.291320064   10.72 9.60     F0Iab 888 1

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