SIMBAD references

2010AJ....139..757K - Astron. J., 139, 757-764 (2010/February-0)

The Taiwan-American Occultation Survey project stellar variability. I. Detection of low-amplitude δ Scuti stars.

KIM D.-W., PROTOPAPAS P., ALCOCK C., BYUN Y.-I., KYEONG J., LEE B.-C., WRIGHT N.J., AXELROD T., BIANCO F.B., CHEN W.-P., COEHLO N.K., COOK K.H., DAVE R., KING S.-K., LEE T., LEHNER M.J., LIN H.-C., MARSHALL S.L., PORRATA R., RICE J.A., SCHWAMB M.E., WANG J.-H., WANG S.-Y., WEN C.-Y. and ZHANG Z.-W.

Abstract (from CDS):

We analyzed data accumulated during 2005 and 2006 by the Taiwan-American Occultation Survey (TAOS) in order to detect short-period variable stars (periods of ≲1 hr) such as δ Scuti. TAOS is designed for the detection of stellar occultation by small-size Kuiper Belt Objects and is operating four 50 cm telescopes at an effective cadence of 5 Hz. The four telescopes simultaneously monitor the same patch of the sky in order to reduce false positives. To detect short-period variables, we used the fast Fourier transform algorithm (FFT) in as much as the data points in TAOS light curves are evenly spaced. Using FFT, we found 41 short-period variables with amplitudes smaller than a few hundredths of a magnitude and periods of about an hour, which suggest that they are low-amplitude δ Scuti stars. The light curves of TAOS δ Scuti stars are accessible online at the Time Series Center Web site (http://timemachine.iic.harvard.edu).

Abstract Copyright:

Journal keyword(s): stars: variables: delta Scuti - methods: data analysis - surveys

Nomenclature: Table 3: [KPA2010] NN (Nos 1-41) = TAOS FFF.NNNNN N=41.

Simbad objects: 50

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