Stellar proper motions in the Galactic bulge with ACS/WFC on HST

Will Clarkson, Kailash Sahu, Jay Anderson, T. Ed Smith, Thomas M. Brown, Stefano Casertano, R. Michael Rich, Howard E. Bond, Timothy Brown, Mario Livio, Dante Minniti, Nino Panagia, Alvio Renzini, Jeff Valenti, Manuela Zoccali

Resultado de la investigación: Article

Resumen

In 2004 the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) project undertook a very deep ACS/WFC exposure-set of the Sgr-I low-reddening window in the Galactic Bulge, with repeat observations 2.04 years later. The combination of superb first-epoch sampling, wide field of view and high PSF stability of ACS/WFC on Hubble allows proper motions to be extracted for more than 137,000 objects, over 85,000 to accuracy better than 0.3 mas yr 1. We present these proper motions and outline some of the uses to which they have been put, including the separation of a pure-Bulge sample and the inner Galactic rotation curve.

Idioma originalEnglish
Páginas (desde-hasta)361-362
Número de páginas2
PublicaciónProceedings of the International Astronomical Union
Volumen3
N.ºS245
DOI
EstadoPublished - jul 2007

Huella dactilar

galactic bulge
proper motion
field of view
planet
galactic rotation
sampling
extrasolar planets
time measurement
curves
project
exposure

ASJC Scopus subject areas

  • Astronomy and Astrophysics

Citar esto

Clarkson, W., Sahu, K., Anderson, J., Smith, T. E., Brown, T. M., Casertano, S., ... Zoccali, M. (2007). Stellar proper motions in the Galactic bulge with ACS/WFC on HST. Proceedings of the International Astronomical Union, 3(S245), 361-362. https://doi.org/10.1017/S1743921308018127
Clarkson, Will ; Sahu, Kailash ; Anderson, Jay ; Smith, T. Ed ; Brown, Thomas M. ; Casertano, Stefano ; Rich, R. Michael ; Bond, Howard E. ; Brown, Timothy ; Livio, Mario ; Minniti, Dante ; Panagia, Nino ; Renzini, Alvio ; Valenti, Jeff ; Zoccali, Manuela. / Stellar proper motions in the Galactic bulge with ACS/WFC on HST. En: Proceedings of the International Astronomical Union. 2007 ; Vol. 3, N.º S245. pp. 361-362.
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abstract = "In 2004 the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) project undertook a very deep ACS/WFC exposure-set of the Sgr-I low-reddening window in the Galactic Bulge, with repeat observations 2.04 years later. The combination of superb first-epoch sampling, wide field of view and high PSF stability of ACS/WFC on Hubble allows proper motions to be extracted for more than 137,000 objects, over 85,000 to accuracy better than 0.3 mas yr 1. We present these proper motions and outline some of the uses to which they have been put, including the separation of a pure-Bulge sample and the inner Galactic rotation curve.",
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Clarkson, W, Sahu, K, Anderson, J, Smith, TE, Brown, TM, Casertano, S, Rich, RM, Bond, HE, Brown, T, Livio, M, Minniti, D, Panagia, N, Renzini, A, Valenti, J & Zoccali, M 2007, 'Stellar proper motions in the Galactic bulge with ACS/WFC on HST', Proceedings of the International Astronomical Union, vol. 3, n.º S245, pp. 361-362. https://doi.org/10.1017/S1743921308018127

Stellar proper motions in the Galactic bulge with ACS/WFC on HST. / Clarkson, Will; Sahu, Kailash; Anderson, Jay; Smith, T. Ed; Brown, Thomas M.; Casertano, Stefano; Rich, R. Michael; Bond, Howard E.; Brown, Timothy; Livio, Mario; Minniti, Dante; Panagia, Nino; Renzini, Alvio; Valenti, Jeff; Zoccali, Manuela.

En: Proceedings of the International Astronomical Union, Vol. 3, N.º S245, 07.2007, p. 361-362.

Resultado de la investigación: Article

TY - JOUR

T1 - Stellar proper motions in the Galactic bulge with ACS/WFC on HST

AU - Clarkson, Will

AU - Sahu, Kailash

AU - Anderson, Jay

AU - Smith, T. Ed

AU - Brown, Thomas M.

AU - Casertano, Stefano

AU - Rich, R. Michael

AU - Bond, Howard E.

AU - Brown, Timothy

AU - Livio, Mario

AU - Minniti, Dante

AU - Panagia, Nino

AU - Renzini, Alvio

AU - Valenti, Jeff

AU - Zoccali, Manuela

PY - 2007/7

Y1 - 2007/7

N2 - In 2004 the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) project undertook a very deep ACS/WFC exposure-set of the Sgr-I low-reddening window in the Galactic Bulge, with repeat observations 2.04 years later. The combination of superb first-epoch sampling, wide field of view and high PSF stability of ACS/WFC on Hubble allows proper motions to be extracted for more than 137,000 objects, over 85,000 to accuracy better than 0.3 mas yr 1. We present these proper motions and outline some of the uses to which they have been put, including the separation of a pure-Bulge sample and the inner Galactic rotation curve.

AB - In 2004 the Sagittarius Window Eclipsing Extrasolar Planet Search (SWEEPS) project undertook a very deep ACS/WFC exposure-set of the Sgr-I low-reddening window in the Galactic Bulge, with repeat observations 2.04 years later. The combination of superb first-epoch sampling, wide field of view and high PSF stability of ACS/WFC on Hubble allows proper motions to be extracted for more than 137,000 objects, over 85,000 to accuracy better than 0.3 mas yr 1. We present these proper motions and outline some of the uses to which they have been put, including the separation of a pure-Bulge sample and the inner Galactic rotation curve.

KW - Galaxy: bulge

KW - Galaxy: disk

KW - Galaxy: kinematics and dynamics

KW - Stars: kinematics

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