Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Francois Schweizer"'
Autor:
Rachael L. Beaton, Cynthia Hunt, John L. Tonry, Francois Schweizer, Christopher R. Burns, Aaron Do, Benjamin J. Shappee, Mark M. Phillips, Jean-Pierre De Cuyper, Olivier Hainaut
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 508:3649-3662
We present a novel technique to study Type Ia supernovae by constraining surviving companions of historical extragalactic SN by combining archival photographic plates and Hubble Space Telescope imaging. We demonstrate this technique for Supernova 197
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::002d319a892485767578ad9a823bb0ea
https://doi.org/10.1093/mnras/stab2660
https://doi.org/10.1093/mnras/stab2660
Autor:
J. M. D. Kruijssen, Marina Rejkuba, Gustavo Bruzual, Nate Bastian, G. Magris, Timothy D. Brandt, A. Mejía-Narváez, Ben Davies, Francois Schweizer, I. Cabrera-Ziri, Florian Niederhofer, Michael Hilker
Publikováno v:
Monthly Notices of the Royal Astronomical Society
The colour-magnitude diagrams of some intermediate-age clusters (1-2 Gyr) star clusters show unexpectedly broad main-sequence turnoffs, raising the possibility that these clusters have experienced more than one episode of star formation. Such a scena
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c45564dae5ceca504e91ee5312398db6
Autor:
Donald Lynden-Bell, Francois Schweizer
Publikováno v:
Biographical Memoirs of Fellows of the Royal Society. 58:245-264
Allan Sandage was an observational astronomer who was happiest at a telescope. On the sudden death of Edwin Hubble, Sandage inherited the programmes using the world’s largest optical telescope at Palomar to determine the distances and number counts
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85a690e2950f324c718db6bb61e0fc0b
https://doi.org/10.1098/rsbm.2011.0021
https://doi.org/10.1098/rsbm.2011.0021
Autor:
Rupali Chandar, Bradley C. Whitmore, Almudena Alonso-Herrero, Francois Schweizer, S. Mengel, Claus Leitherer, George H. Rieke, Barry Rothberg, Marcia J. Rieke, William P. Blair
Publikováno v:
The Astronomical Journal. 140:75-109
The Advanced Camera for Surveys and the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) have been used to obtain new Hubble Space Telescope images of NGC 4038/4039 ('The Antennae'). These new observations allow us to better differentiate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d73ec65768c45f792d5eefeba5a52cd3
https://doi.org/10.1088/0004-6256/140/1/75
https://doi.org/10.1088/0004-6256/140/1/75
Autor:
Bradley C. Whitmore, Francois Schweizer, Edward Villanueva, Daniel D. Kelson, Patrick Seitzer
Publikováno v:
The Astrophysical Journal. 853:54
We present new observations of the late-stage merger galaxy NGC 7727, including HST/WFPC2 images and long-slit spectra obtained with the Clay telescope. NGC 7727 is relatively luminous ($M_V = -21.7$) and features two unequal tidal tails, various blu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb09bc298bdb674fe2886115e0fd4e7d
https://doi.org/10.3847/1538-4357/aaa424
https://doi.org/10.3847/1538-4357/aaa424
Autor:
Mark Lacy, Gabriela Canalizo, Chien Y. Peng, Bruno Jungwiert, Alan Stockton, Nicola Bennert, Francois Schweizer
Publikováno v:
The Astrophysical Journal. 677:846-857
We present results from a pilot HST ACS deep imaging study in broad-band V of five low-redshift QSO host galaxies classified in the literature as ellipticals. The aim of our study is to determine whether these early-type hosts formed at high redshift
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1c595158714b3865a7c59d025bb00ad
https://doi.org/10.1086/529068
https://doi.org/10.1086/529068
Publikováno v:
The Astrophysical Journal. 664:284-295
We present Gemini optical spectroscopy of 23 young star clusters in NGC3256. We find that the cluster ages range are from few Myr to ~150 Myr. All these clusters are relatively massive (2--40)x 10^{5} \msun$ and appear to be of roughly 1.5 \zo metall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81546d7aced28f09a4ee67d14c4688a7
https://doi.org/10.1086/518886
https://doi.org/10.1086/518886
Autor:
Trevor J. Ponman, Andrew J. King, Alessandro Baldi, Arnold H. Rots, G. Fabbiano, Francois Schweizer, Andreas Zezas
Publikováno v:
The Astrophysical Journal. 661:135-148
We present the X-ray luminosity functions (XLFs) of the X-ray source population detected in the Chandra monitoring observations of NGC 4038/4039 (the Antennae). The seven individual XLFs are well described by a flat power law with a cumulative slope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34ce42bd59718554aa9b6a14ed92f23f
https://doi.org/10.1086/513091
https://doi.org/10.1086/513091
Publikováno v:
The Astronomical Journal. 133:2737-2751
(ABRIDGED) The ACS camera on board the Hubble Space Telescope has been used to obtain deep images of the giant elliptical galaxy NGC 3610, a well-established dissipative galaxy merger remnant. These observations supersede previous WFPC2 images which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a99e62196af2d1c2f3ff138407e13dfc
https://doi.org/10.1086/516634
https://doi.org/10.1086/516634
Autor:
Francois Schweizer, Patrick Seitzer
Publikováno v:
The Astronomical Journal. 133:2132-2155
This paper presents new images and spectroscopy of NGC 34 (Mrk 938) obtained with the du Pont 2.5-m and Baade 6.5-m telescopes at Las Campanas, plus photometry of an HST archival V image. This Mv = -21.6 galaxy has often been classified as a Seyfert
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46ed4dbdd3e9160b5acd62422c40992c
https://doi.org/10.1086/513317
https://doi.org/10.1086/513317