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  • The first determination of improved orbital elements of this star--planet system based on a combination of all available radial velocities of 51 Peg is derived. A period analysis of the O--C deviations of the times of RV maxima from the new linear ephemeris shows a periodicity of 250-d with a large amplitude of 0063° 0.005°. If interpreted as a light--time effect due to a third body in the system, this would imply an unrealistically large mass. Hence, one should seek other explanations like forced non--radial pulsations. However, it would be necessary to confirm or disprove the reality of the 250-d period via new dedicated observations.
  • The first determination of improved orbital elements of this star--planet system based on a combination of all available radial velocities of 51 Peg is derived. A period analysis of the O--C deviations of the times of RV maxima from the new linear ephemeris shows a periodicity of 250-d with a large amplitude of 0063° 0.005°. If interpreted as a light--time effect due to a third body in the system, this would imply an unrealistically large mass. Hence, one should seek other explanations like forced non--radial pulsations. However, it would be necessary to confirm or disprove the reality of the 250-d period via new dedicated observations. (en)
Title
  • 51 Peg: a star with a second planet or a pulsating star?
  • 51 Peg: a star with a second planet or a pulsating star? (en)
skos:prefLabel
  • 51 Peg: a star with a second planet or a pulsating star?
  • 51 Peg: a star with a second planet or a pulsating star? (en)
skos:notation
  • RIV/00216208:11320/06:00206045!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 510701
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/06:00206045
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • second; planet; pulsating (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [5132276A12B2]
http://linked.open...i/riv/nazevZdroje
  • Astronomy and Astrophysics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2005
http://linked.open...iv/tvurceVysledku
  • Harmanec, Petr
  • Hrudková, Marie
issn
  • 0004-6361
number of pages
http://localhost/t...ganizacniJednotka
  • 11320
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