New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology

G. Handler; H. Pikall; D. O'Donoghue; D. A.H. Buckley; G. Vauclair; M. Chevreton; O. Giovannini; S. O. Kepler; P. R. Goode; J. L. Provencal; M. A. Wood; J. C. Clemens; M. S. O'Brien; R. E. Nather; D. E. Winget; S. J. Kleinman; A. Kanaan; T. K. Watson; A. Nitta; M. H. Montgomery; E. W. Klumpe; P. A. Bradley; D. J. Sullivan; K. Wu; T. M.K. Marar; S. Seetha; B. N. Ashoka; H. S. Mahra; B. C. Bhat; V. C. Babu; E. M. Leibowitz; S. Hemar; P. A. Ibbetson; E. Mashal; E. G. Meištas; W. A. Dziembowski; A. A. Pamyatnykh; P. Moskalik; S. Zola; G. Pajdosz; J. Krzesinski; J. E. Solheim; S. Bard; C. M. Massacand; M. Breger; M. J. Gelbmann; E. Paunzen; P. North

doi:10.1093/mnras/286.2.303

New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology

G. Handler, H. Pikall, D. O'Donoghue, D. A.H. Buckley, G. Vauclair, M. Chevreton, O. Giovannini, S. O. Kepler, P. R. Goode, J. L. Provencal, M. A. Wood, J. C. Clemens, M. S. O'Brien, R. E. Nather, D. E. Winget, S. J. Kleinman, A. Kanaan, T. K. Watson, A. Nitta, M. H. MontgomeryE. W. Klumpe, P. A. Bradley, D. J. Sullivan, K. Wu, T. M.K. Marar, S. Seetha, B. N. Ashoka, H. S. Mahra, B. C. Bhat, V. C. Babu, E. M. Leibowitz, S. Hemar, P. A. Ibbetson, E. Mashal, E. G. Meištas, W. A. Dziembowski, A. A. Pamyatnykh, P. Moskalik, S. Zola, G. Pajdosz, J. Krzesinski, J. E. Solheim, S. Bard, C. M. Massacand, M. Breger, M. J. Gelbmann, E. Paunzen, P. North

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Abstract

92 h of new Whole Earth Telescope observations have been acquired for the δ Scuti star CD-24 7599. All the seven pulsation modes reported by Handler et al. are confirmed. However, significant amplitude variations which are not caused by beating of closely spaced frequencies occurred within two years. Analysing the combined data of both WET runs, we detect six further pulsation modes, bringing the total number up to 13. We also examine our data for high-frequency pulsations similar to those exhibited by rapidly oscillating Ap stars, but we do not find convincing evidence for variability in this frequency domain.

Original language	English (US)
Pages (from-to)	303-314
Number of pages	12
Journal	Monthly Notices of the Royal Astronomical Society
Volume	286
Issue number	2
DOIs	https://doi.org/10.1093/mnras/286.2.303
State	Published - 1997

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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Handler, G., Pikall, H., O'Donoghue, D., Buckley, D. A. H., Vauclair, G., Chevreton, M., Giovannini, O., Kepler, S. O., Goode, P. R., Provencal, J. L., Wood, M. A., Clemens, J. C., O'Brien, M. S., Nather, R. E., Winget, D. E., Kleinman, S. J., Kanaan, A., Watson, T. K., Nitta, A., ... North, P. (1997). New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology. Monthly Notices of the Royal Astronomical Society, 286(2), 303-314. https://doi.org/10.1093/mnras/286.2.303

@article{37a58017cccd4649aa258ce25039df10,

title = "New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology",

abstract = "92 h of new Whole Earth Telescope observations have been acquired for the δ Scuti star CD-24 7599. All the seven pulsation modes reported by Handler et al. are confirmed. However, significant amplitude variations which are not caused by beating of closely spaced frequencies occurred within two years. Analysing the combined data of both WET runs, we detect six further pulsation modes, bringing the total number up to 13. We also examine our data for high-frequency pulsations similar to those exhibited by rapidly oscillating Ap stars, but we do not find convincing evidence for variability in this frequency domain.",

author = "G. Handler and H. Pikall and D. O'Donoghue and Buckley, {D. A.H.} and G. Vauclair and M. Chevreton and O. Giovannini and Kepler, {S. O.} and Goode, {P. R.} and Provencal, {J. L.} and Wood, {M. A.} and Clemens, {J. C.} and O'Brien, {M. S.} and Nather, {R. E.} and Winget, {D. E.} and Kleinman, {S. J.} and A. Kanaan and Watson, {T. K.} and A. Nitta and Montgomery, {M. H.} and Klumpe, {E. W.} and Bradley, {P. A.} and Sullivan, {D. J.} and K. Wu and Marar, {T. M.K.} and S. Seetha and Ashoka, {B. N.} and Mahra, {H. S.} and Bhat, {B. C.} and Babu, {V. C.} and Leibowitz, {E. M.} and S. Hemar and Ibbetson, {P. A.} and E. Mashal and Mei{\v s}tas, {E. G.} and Dziembowski, {W. A.} and Pamyatnykh, {A. A.} and P. Moskalik and S. Zola and G. Pajdosz and J. Krzesinski and Solheim, {J. E.} and S. Bard and Massacand, {C. M.} and M. Breger and Gelbmann, {M. J.} and E. Paunzen and P. North",

year = "1997",

doi = "10.1093/mnras/286.2.303",

language = "English (US)",

volume = "286",

pages = "303--314",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "2",

}

Handler, G, Pikall, H, O'Donoghue, D, Buckley, DAH, Vauclair, G, Chevreton, M, Giovannini, O, Kepler, SO, Goode, PR, Provencal, JL, Wood, MA, Clemens, JC, O'Brien, MS, Nather, RE, Winget, DE, Kleinman, SJ, Kanaan, A, Watson, TK, Nitta, A, Montgomery, MH, Klumpe, EW, Bradley, PA, Sullivan, DJ, Wu, K, Marar, TMK, Seetha, S, Ashoka, BN, Mahra, HS, Bhat, BC, Babu, VC, Leibowitz, EM, Hemar, S, Ibbetson, PA, Mashal, E, Meištas, EG, Dziembowski, WA, Pamyatnykh, AA, Moskalik, P, Zola, S, Pajdosz, G, Krzesinski, J, Solheim, JE, Bard, S, Massacand, CM, Breger, M, Gelbmann, MJ, Paunzen, E & North, P 1997, 'New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology', Monthly Notices of the Royal Astronomical Society, vol. 286, no. 2, pp. 303-314. https://doi.org/10.1093/mnras/286.2.303

TY - JOUR

T1 - New Whole Earth Telescope observations of CD-24 7599

T2 - Steps towards δ Scuti star seismology

AU - Handler, G.

AU - Pikall, H.

AU - O'Donoghue, D.

AU - Buckley, D. A.H.

AU - Vauclair, G.

AU - Chevreton, M.

AU - Giovannini, O.

AU - Kepler, S. O.

AU - Goode, P. R.

AU - Provencal, J. L.

AU - Wood, M. A.

AU - Clemens, J. C.

AU - O'Brien, M. S.

AU - Nather, R. E.

AU - Winget, D. E.

AU - Kleinman, S. J.

AU - Kanaan, A.

AU - Watson, T. K.

AU - Nitta, A.

AU - Montgomery, M. H.

AU - Klumpe, E. W.

AU - Bradley, P. A.

AU - Sullivan, D. J.

AU - Wu, K.

AU - Marar, T. M.K.

AU - Seetha, S.

AU - Ashoka, B. N.

AU - Mahra, H. S.

AU - Bhat, B. C.

AU - Babu, V. C.

AU - Leibowitz, E. M.

AU - Hemar, S.

AU - Ibbetson, P. A.

AU - Mashal, E.

AU - Meištas, E. G.

AU - Dziembowski, W. A.

AU - Pamyatnykh, A. A.

AU - Moskalik, P.

AU - Zola, S.

AU - Pajdosz, G.

AU - Krzesinski, J.

AU - Solheim, J. E.

AU - Bard, S.

AU - Massacand, C. M.

AU - Breger, M.

AU - Gelbmann, M. J.

AU - Paunzen, E.

AU - North, P.

PY - 1997

Y1 - 1997

N2 - 92 h of new Whole Earth Telescope observations have been acquired for the δ Scuti star CD-24 7599. All the seven pulsation modes reported by Handler et al. are confirmed. However, significant amplitude variations which are not caused by beating of closely spaced frequencies occurred within two years. Analysing the combined data of both WET runs, we detect six further pulsation modes, bringing the total number up to 13. We also examine our data for high-frequency pulsations similar to those exhibited by rapidly oscillating Ap stars, but we do not find convincing evidence for variability in this frequency domain.

AB - 92 h of new Whole Earth Telescope observations have been acquired for the δ Scuti star CD-24 7599. All the seven pulsation modes reported by Handler et al. are confirmed. However, significant amplitude variations which are not caused by beating of closely spaced frequencies occurred within two years. Analysing the combined data of both WET runs, we detect six further pulsation modes, bringing the total number up to 13. We also examine our data for high-frequency pulsations similar to those exhibited by rapidly oscillating Ap stars, but we do not find convincing evidence for variability in this frequency domain.

UR - http://www.scopus.com/inward/record.url?scp=0007423044&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0007423044&partnerID=8YFLogxK

U2 - 10.1093/mnras/286.2.303

DO - 10.1093/mnras/286.2.303

M3 - Article

AN - SCOPUS:0007423044

SN - 0035-8711

VL - 286

SP - 303

EP - 314

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 2

ER -

New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology

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