English
Related papers

Related papers: A database of high and medium-resolution stellar s…

200 papers

We present a catalog of J-band (1.08 um to 1.35 um) stellar spectra at low resolution (R ~ 400). The targets consist of 105 stars ranging in spectral type from O9.5 to M7 and luminosity classes I through V. The relatively featureless…

Astrophysics · Physics 2009-09-29 M. A. Malkan , E. K. Hicks , H. I. Teplitz , I. M. McLean , H. Sugai , J. Guichard

Echelle spectra of HD 183143 [B7Iae, E(B-V) = 1.27] were obtained on three nights, at a resolving power R = 38,000 and with a signal-to-noise ratio ~1000 at 6400 A in the final, combined spectrum. A catalog is presented of 414 diffuse…

We present the construction of a deep multi-wavelength PSF-matched photometric catalog in the UDS field following the final UKIDSS UDS DR11 release. The catalog includes photometry in 24 filters, from the MegaCam-uS (0.38 microns) band to…

Photoelectric spectrophotometry is presented for 237 stars in the Hyades, Pleiades, Alpha Persei, Praesepe, Coma Berenices, IC~4665, and M39 open clusters. 16 bandpasses were observed from 350 nm to 778 nm, with 3.2 to 6.4 nm bandwidth.…

Astrophysics · Physics 2009-10-30 Lori Clampitt , David Burstein

We present an atlas of 129 spectral energy distributions for nearby galaxies, with wavelength coverage spanning from the UV to the mid-infrared. Our atlas spans a broad range of galaxy types, including ellipticals, spirals, merging…

The catalogue presented here is a compilation of published atmospheric parameters (Teff, logg, [Fe/H]) obtained from high resolution, high signal-to-noise spectroscopic observations. This new edition has changed compared to the five…

Astrophysics · Physics 2011-05-18 G. Cayrel de Strobel , C. Soubiran , N. Ralite

As a typical data-driven method, deep learning becomes a natural choice for analysing astronomical data nowadays. In this study, we built a deep convolutional neural network to estimate basic stellar parameters $T\rm{_{eff}}$, log g,…

Astrophysics of Galaxies · Physics 2022-08-03 Zhuohan Li , Gang Zhao , Yuqin Chen , Xilong Liang , Jingkun Zhao

A standard library of theoretical stellar spectra intended for multiple synthetic photometry applications including spectral evolutionary synthesis is presented. The grid includes M dwarf model spectra, hence complementing the first library…

Astrophysics · Physics 2009-07-28 T. Lejeune , F. Cuisinier , R. Buser

In this follow-up paper, we investigate the use of Convolutional Neural Network for deriving stellar parameters from observed spectra. Using hyperparameters determined previously, we have constructed a Neural Network architecture suitable…

Solar and Stellar Astrophysics · Physics 2022-11-01 Marwan Gebran , Frédéric Paletou , Ian Bentley , Rose Brienza , Kathleen Connick

In the current panorama of large surveys, the vast amount of data obtained with different methods, data types, formats, and stellar samples, is making an efficient use of the available information difficult. The Survey of Surveys is a…

Spectral analysis by means of NLTE model atmospheres has presently arrived at a high level of sophistication. High-resolution spectra of central stars of planetary nebulae can be reproduced in detail from the infrared to the X-ray…

Astrophysics · Physics 2007-09-04 Thomas Rauch , Klaus Werner , Marc Ziegler , Jeffrey W. Kruk , Cristina M. Oliveira

We present medium resolution (R = 5000-6000) spectra in the near-infrared band, 1.4-1.8 microns, for template stars in G, K, and M types observed by the echelle spectrometer, IRCS, at the SUBARU 8.2 m telescope. The identification of lines…

Solar and Stellar Astrophysics · Physics 2011-11-01 Huynh Anh N. Le , Wonseok Kang , Soojong Pak , Myungshin Im , Jeong-Eun Lee , Luis C. Ho , Tae-Soo Pyo , Daniel T. Jaffe

(abridged) Stellar catalogues in five passbands (UBVRI) over an area of approximately 0.3 deg^2, comprising about 1200 objects, and in seven passbands (UBVRIJK) over approximately 0.1 deg^2, comprising about 400 objects, in the direction of…

Accurate stellar parameters and precise elemental abundances are vital pieces to correctly characterize discovered planetary systems, better understand planet formation, and trace galactic chemical evolution. We have performed a uniform…

Solar and Stellar Astrophysics · Physics 2018-08-29 John M. Brewer , Debra A. Fischer

We present basic atmospheric parameters (Teff, logg, vt and [Fe/H]) as well as luminosities, masses, radii and absolute radial velocities for 348 stars, presumably giants, from the ~1000 star sample observed within the Penn State-Torun…

Earth and Planetary Astrophysics · Physics 2015-06-05 P. Zielinski , A. Niedzielski , A. Wolszczan , M. Adamow , G. Nowak

Context. The South Pole Telescope third-generation camera (SPT-3G) has observed over 10,000 square degrees of sky at 95, 150, and 220 GHz (3.3, 2.0, 1.4 mm, respectively) and will significantly overlap the ongoing 14,000 square-degree…

Astrophysics of Galaxies · Physics 2026-02-11 M. Archipley , A. Hryciuk , L. E. Bleem , K. Kornoelje , M. Klein , A. J. Anderson , B. Ansarinejad , M. Aravena , L. Balkenhol , P. S. Barry , K. Benabed , A. N. Bender , B. A. Benson , F. Bianchini , S. Bocquet , F. R. Bouchet , E. Camphuis , M. G. Campitiello , J. E. Carlstrom , J. Cathey , C. L. Chang , S. C. Chapman , P. Chaubal , P. M. Chichura , A. Chokshi , T. -L. Chou , A. Coerver , T. M. Crawford , C. Daley , T. de Haan , R. P. Deane , K. R. Dibert , M. A. Dobbs , M. Doohan , A. Doussot , D. Dutcher , W. Everett , C. Feng , K. R. Ferguson , K. Fichman , B. Floyd , A. Foster , S. Galli , A. E. Gambrel , R. W. Gardner , F. Ge , N. Goeckner-Wald , A. Gonzalez , S. Grandis , T. R. Greve , R. Gualtieri , F. Guidi , S. Guns , N. W. Halverson , R. Hill , E. Hivon , G. P. Holder , W. L. Holzapfel , J. C. Hood , N. Huang , F. Kéruzoré , A. R. Khalife , L. Knox , M. Korman , C. -L. Kuo , K. Levy , A. E. Lowitz , C. Lu , G. P. Lynch , A. Maniyar , E. S. Martsen , F. Menanteau , M. Millea , J. Montgomery , Y. Nakato , T. Natoli , G. I. Noble , Y. Omori , A. Ouellette , Z. Pan , K. A. Phadke , A. W. Pollak , K. Prabhu , W. Quan , S. Raghunathan , M. Rahimi , A. Rahlin , C. L. Reichardt , C. Reuter , M. Rouble , J. E. Ruhl , E. Schiappucci , A. Simpson , J. A. Sobrin , B. Stalder , A. A. Stark , N. Sulzenauer , C. Tandoi , B. Thorne , C. Trendafilova , C. Umilta , J. D. Vieira , A. Vitrier , D. Vizgan , Y. Wan , A. Weiß , N. Whitehorn , W. L. K. Wu , M. R. Young , J. A. Zebrowski , D. Zhou

We present Balmer lines spectroscopy for a sample of 48 Be stars. For most of them, H$\alpha$ and H$\beta$ have been observed more than two times, in a total period spanning almost two years between 2008 and 2009. Spectral synthesis of the…

Solar and Stellar Astrophysics · Physics 2015-06-12 G. Catanzaro

We present the Gallery of Planetary Nebula Spectra now available at http://oit.williams.edu/nebulae The website offers high-quality, moderate resolution (~7-10 A FWHM) spectra of 128 Galactic planetary nebulae from 3600-9600 A, obtained by…

Astrophysics · Physics 2009-11-11 Karen B. Kwitter , Richard B. C. Henry

In this paper we describe Kea a new spectroscopic fitting method to derive stellar parameters from moderate to low signal/noise, high-resolution spectra. We developed this new tool to analyze the massive data set of the Kepler mission…

Solar and Stellar Astrophysics · Physics 2016-06-29 Michael Endl , William D. Cochran

The AMBRE Project is a collaboration between the European Southern Observatory (ESO) and the Observatoire de la Cote d'Azur (OCA) that has been established in order to carry out the determination of stellar atmospheric parameters for the…

Solar and Stellar Astrophysics · Physics 2016-06-22 C. C. Worley , P. de Laverny , A. Recio-Blanco , V. Hill , A. Bijaoui