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We present a near- to mid-infrared point source catalog of 5 photometric bands at 3.2, 7, 11, 15 and 24 um for a 10 deg2 area of the Large Magellanic Cloud (LMC) obtained with the Infrared Camera (IRC) onboard the AKARI satellite. To cover…

The aim of our paper is to make high-precision positional stellar catalogs by compiling large astrophysical data bulk and large astrometrical surveys. The data reliability and uniqueness is the primary request. The common precision of 1 arc…

Astrophysics · Physics 2008-10-01 Nuriya T. Ashimbaeva

The surface-brightness-color (SBC) relationship for Red Clump stars provides a critical foundation for precision distance ladder measurements, including the 1\% distance determination to the Large Magellanic Cloud. Current SBC calibrations…

Solar and Stellar Astrophysics · Physics 2026-04-10 Alex G. Kim , Robin Kaiser

We have executed a survey of nearby, main sequence A, F, and G-type stars with the CHARA Array, successfully measuring the angular diameters of fortyfour stars with an average precision of ~ 1.5%. We present new measures of the bolometric…

We present a catalog of over 6.2 million stars with measured proper motions. All these stars are observed in the direction of the Magellanic Clouds within the brightness range 12 < I < 19 mag. Based on these proper motions about 440 000…

Astrophysics of Galaxies · Physics 2012-04-26 R. Poleski , I. Soszyński , A. Udalski , M. K. Szymański , M. Kubiak , G. Pietrzyński , Ł. Wyrzykowski , K. Ulaczyk

The bright, well-known K5 giant Aldebaran, alpha Tau, is probably the star with the largest number of direct angular diameter determinations, achieved over a long time by several authors using various techniques. In spite of this wealth of…

Astrophysics · Physics 2009-11-10 A. Richichi , V. Roccatagliata

Astronomers usually need the highest angular resolution possible, but the blurring effect of diffraction imposes a fundamental limit on the image quality from any single telescope. Interferometry allows light collected at widely-separated…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 John D. Monnier , Ronald J. Allen

We present results of high resolution (~ 55000) spectral observations of 830 photometrically pre-selected candidate red giants in the magnitude range of V = 9-12. We develop a pipeline for automated determination of the stellar atmospheric…

Solar and Stellar Astrophysics · Physics 2015-05-20 Dmitry Bizyaev , Verne V. Smith , Katia Cunha

We compiled a catalogue of infrared star clusters in the Galaxy, which are most of them embedded. It condenses the growing literature information. We also include in the sample infrared stellar groups which are less dense than star…

Astrophysics · Physics 2009-11-07 E. Bica , C. M. Dutra , B. Barbuy

Stars are not smooth. Their photosphere is covered by a granulation pattern associated with the heat transport by convection. The convection-related surface structures have different size, depth, and temporal variations with respect to the…

Solar and Stellar Astrophysics · Physics 2016-09-28 A. Chiavassa , L. Bigot

The Catalogue, available at the Centre de Donn\'ees Stellaires de Strasbourg, consists of 13573 records concerning the results obtained from different methods for 7778 stars, reported in the literature. The following data are listed for…

Astrophysics · Physics 2009-10-31 L. E. Pasinetti Fracassini , L. Pastori , S. Covino , A. Pozzi

Long baseline interferometry is now able to resolve the pulsational change of the angular diameter of a significant number of Cepheids in the solar neighborhood. This allows the application of a new version of the Baade-Wesselink (BW)…

Astrophysics · Physics 2010-12-09 Pierre Kervella

Quasars are very important in materializing the reference frame. The excess emission of AGNs (active galactic nuclei) in the mid infrared band can be used to identify quasar candidates. As extremely distant and point like objects, quasars…

Astrophysics of Galaxies · Physics 2022-12-12 Qiqi Wu , Shilong Liao , Zhaoxiang Qi , Hao Luo , Zhenghong Tang , Zihuang Cao

High resolution stellar spectroscopic surveys provide massive amounts of diffuse interstellar bands (DIBs) measurements. Data can be used to study the distribution of the DIB carriers and those environmental conditions that favor their…

Astrophysics of Galaxies · Physics 2016-08-17 Meriem Elyajouri , Ana Monreal-Ibero , Quentin Remy , Rosine Lallement

Context. Accurate long-baseline interferometric measurements require careful calibration with reference stars. Small calibrators with high angular diameter accuracy ensure the true visibility uncertainty to be dominated by the measurement…

Instrumentation and Methods for Astrophysics · Physics 2010-03-24 P. Cruzalebes , A. Jorissen , S. Sacuto , D. Bonneau

We present angular diameters for 42 luminosity class I stars and 32 luminosity class II stars that have been interferometrically determined with the Palomar Testbed Interferometer. Derived values of radius and effective temperature are…

Astrophysics · Physics 2015-05-13 G. T. van Belle , M. J. Creech-Eakman , A. Hart

The PASTEL catalogue is an update of the [Fe/H] catalogue, published in 1997 and 2001. It is a bibliographical compilation of stellar atmospheric parameters providing (Teff,logg,[Fe/H]) determinations obtained from the analysis of high…

Solar and Stellar Astrophysics · Physics 2015-05-18 C. Soubiran , J. -F. Le Campion , G. Cayrel de Strobel , A. Caillo

Thanks to their large angular dimension and brightness, red giants and supergiants are privileged targets for optical long-baseline interferometers. Sixteen red giants and supergiants have been observed with the VLTI/AMBER facility over a…

Solar and Stellar Astrophysics · Physics 2015-06-16 P. Cruzalèbes , A. Jorissen , Y. Rabbia , S. Sacuto , A. Chiavassa , E. Pasquato , B. Plez , K. Eriksson , A. Spang , O. Chesneau

Detecting mid-infrared (MIR) radiation has significant astronomical applications, although limited by unsatisfactory MIR detectors. Here we reported on the realization of a MIR up-conversion interferometer based on synthetic long base-line…

Instrumentation and Methods for Astrophysics · Physics 2024-09-16 Zhao-Qi-Zhi Han , Zheng Ge , Wen-Tao Luo , Yi-Fu Cai , Xiao-Hua Wang , Li Chen , Wu-Zhen Li , Zhi-Yuan Zhou , Bao-Sen Shi

We present new angular diameter measurements for 33 stars from the Navy Precision Optical Interferometer, reaching uncertainties on the limb-darkened diameter of 2% or less for 21 targets. We also determined the physical radius, bolometric…

Solar and Stellar Astrophysics · Physics 2025-05-30 Ellyn K. Baines , James H. Clark , Henrique R. Schmitt , Jordan M. Stone , Kaspar von Braun