Millimagnitude photometry for transiting extrasolar planetary candidates. III. Accurate radius and period for OGLE-TR-111-b1

Dante Minniti, José Miguel Fernández, Rodrigo F. Díaz, Andrzej Udalski, Grzegorz Pietrzynski, Wolfgang Gieren, Patricio Rojo, María Teresa Ruíz, Manuela Zoccali

Resultado de la investigación: Article

16 Citas (Scopus)

Resumen

We present accurate V-band photometry for a planetary transit of OGLE-TR-111 acquired with VIMOS at the ESO Very Large Telescope. The measurement of this transit allows us to refine the planetary radius, obtaining R p = 1.01 ± 0.06 RJ. Given the mass of Mp = 0.53 MJ previously measured from radial velocities, we confirm that the density is ρp = 0.6 ± 0.2 g cm-3. We also revise the ephemeris for OGLE-TR-111-b, obtaining an accurate orbital period P = 4.014484 ± 0.000014 days and predicting that the next observable transits would occur around December 2006, and after that only in mid-2008. Even though this period is different from previously published values, we cannot yet rule out a constant period.

Idioma originalEnglish
Páginas (desde-hasta)858-862
Número de páginas5
PublicaciónAstrophysical Journal
Volumen660
N.º1 I
DOI
EstadoPublished - 1 may 2007

Huella dactilar

transit
photometry
radii
extremely high frequencies
European Southern Observatory
radial velocity
telescopes
orbitals

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Space and Planetary Science
  • Astronomy and Astrophysics

Citar esto

Minniti, Dante ; Fernández, José Miguel ; Díaz, Rodrigo F. ; Udalski, Andrzej ; Pietrzynski, Grzegorz ; Gieren, Wolfgang ; Rojo, Patricio ; Ruíz, María Teresa ; Zoccali, Manuela. / Millimagnitude photometry for transiting extrasolar planetary candidates. III. Accurate radius and period for OGLE-TR-111-b1 En: Astrophysical Journal. 2007 ; Vol. 660, N.º 1 I. pp. 858-862.
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abstract = "We present accurate V-band photometry for a planetary transit of OGLE-TR-111 acquired with VIMOS at the ESO Very Large Telescope. The measurement of this transit allows us to refine the planetary radius, obtaining R p = 1.01 ± 0.06 RJ. Given the mass of Mp = 0.53 MJ previously measured from radial velocities, we confirm that the density is ρp = 0.6 ± 0.2 g cm-3. We also revise the ephemeris for OGLE-TR-111-b, obtaining an accurate orbital period P = 4.014484 ± 0.000014 days and predicting that the next observable transits would occur around December 2006, and after that only in mid-2008. Even though this period is different from previously published values, we cannot yet rule out a constant period.",
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Minniti, D, Fernández, JM, Díaz, RF, Udalski, A, Pietrzynski, G, Gieren, W, Rojo, P, Ruíz, MT & Zoccali, M 2007, 'Millimagnitude photometry for transiting extrasolar planetary candidates. III. Accurate radius and period for OGLE-TR-111-b1 ', Astrophysical Journal, vol. 660, n.º 1 I, pp. 858-862. https://doi.org/10.1086/512722

Millimagnitude photometry for transiting extrasolar planetary candidates. III. Accurate radius and period for OGLE-TR-111-b1 . / Minniti, Dante; Fernández, José Miguel; Díaz, Rodrigo F.; Udalski, Andrzej; Pietrzynski, Grzegorz; Gieren, Wolfgang; Rojo, Patricio; Ruíz, María Teresa; Zoccali, Manuela.

En: Astrophysical Journal, Vol. 660, N.º 1 I, 01.05.2007, p. 858-862.

Resultado de la investigación: Article

TY - JOUR

T1 - Millimagnitude photometry for transiting extrasolar planetary candidates. III. Accurate radius and period for OGLE-TR-111-b1

AU - Minniti, Dante

AU - Fernández, José Miguel

AU - Díaz, Rodrigo F.

AU - Udalski, Andrzej

AU - Pietrzynski, Grzegorz

AU - Gieren, Wolfgang

AU - Rojo, Patricio

AU - Ruíz, María Teresa

AU - Zoccali, Manuela

PY - 2007/5/1

Y1 - 2007/5/1

N2 - We present accurate V-band photometry for a planetary transit of OGLE-TR-111 acquired with VIMOS at the ESO Very Large Telescope. The measurement of this transit allows us to refine the planetary radius, obtaining R p = 1.01 ± 0.06 RJ. Given the mass of Mp = 0.53 MJ previously measured from radial velocities, we confirm that the density is ρp = 0.6 ± 0.2 g cm-3. We also revise the ephemeris for OGLE-TR-111-b, obtaining an accurate orbital period P = 4.014484 ± 0.000014 days and predicting that the next observable transits would occur around December 2006, and after that only in mid-2008. Even though this period is different from previously published values, we cannot yet rule out a constant period.

AB - We present accurate V-band photometry for a planetary transit of OGLE-TR-111 acquired with VIMOS at the ESO Very Large Telescope. The measurement of this transit allows us to refine the planetary radius, obtaining R p = 1.01 ± 0.06 RJ. Given the mass of Mp = 0.53 MJ previously measured from radial velocities, we confirm that the density is ρp = 0.6 ± 0.2 g cm-3. We also revise the ephemeris for OGLE-TR-111-b, obtaining an accurate orbital period P = 4.014484 ± 0.000014 days and predicting that the next observable transits would occur around December 2006, and after that only in mid-2008. Even though this period is different from previously published values, we cannot yet rule out a constant period.

KW - Planetary systems

KW - Stars: individual (OGLE-TR-111)

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