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Related papers: The CALSPEC Stars P177D and P330E

200 papers

We present a catalogue of H-band spectra for 85 stars of approximately solar abundance observed at a resolving power of 3000 with the KPNO Mayall 4m FTS. The atlas covers spectral types O7-M5 and luminosity classes I-V as defined on the MK…

Astrophysics · Physics 2009-10-30 Michael R. Meyer , Suzan Edwards , Kenneth H. Hinkle , Stephen E. Strom

We present the result from a comprehensive laboratory and on-sky characterization of the commercial spectrograph system consisting of a PIXIS 1300BX charge-coupled device (CCD) camera and an IsoPlane 320A spectrograph as part of the…

Instrumentation and Methods for Astrophysics · Physics 2026-03-10 Jiwon Jang , Changsu Choi , Ho Seong Hwang , Haeun Chung , Hyeonguk Bahk , Dongkok Kim , Jae-Woo Kim

Consistency between Carnegie Supernova Project (CSP) and SDSS-II supernova (SN) survey ugri measurements has been evaluated by comparing SDSS and CSP photometry for nine spectroscopically confirmed Type Ia supernova observed…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 J. Mosher , M. Sako , L. Corlies , G. Folatelli , J. Frieman , J. Holtzman , S. W. Jha , R. Kessler , J. Marriner , M. M. Phillips , M. Stritzinger , N. Morrell , D. P. Schneider

In this study we compare the photometric data of 34 Milky Way globular clusters, observed within the ACS Treasury Program (PI: Ata Sarajedini) with the corresponding ground-based data, provided by the Photometric Standard Field Catalogs of…

The stable environment of space makes HST an excellent astrometric tool. Its diffraction-limited resolution allows it to distinguish and measure positions and fluxes for stars all the way to the center of most globular clusters. Apart from…

Solar and Stellar Astrophysics · Physics 2013-01-14 Andrea Bellini , Roeland P. van der Marel , Jay Anderson

We present the design and testing of a compact, low-cost stellar spectrometer developed for undergraduate and outreach applications. The instrument employs a 600 lines/mm diffraction grating, a CMOS monochrome sensor, and a 3D-printed mount…

Instrumentation and Methods for Astrophysics · Physics 2025-11-07 Abhinav Roy , Niti Singh

We present spectrophotometric data from 0.4 to 4.2 microns for bright, northern sky, Be stars and several other types of massive stars. Our goal is to use these data with ongoing, high angular resolution, interferometric observations to…

We describe technical aspects of an astrometric and photometric survey of the North Celestial Cap (NCC), from the Pole (DEC=90 deg) to DEC=80 deg, in support of the TAUVEX mission. This region, at galactic latitudes from ~ 17 deg to ~ 37…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Evgeny Gorbikov , Noah Brosch , Cristina Afonso

We present 107 maps of continuum emission at 350 microns from Galactic molecular clumps. Observed sources were mainly selected from the Bolocam Galactic Plane Survey (BGPS) catalog, with 3 additional maps covering star forming regions in…

This paper is the second in the series of papers on near-infrared (NIR) stellar spectral library produced by reducing the observations carried out with 1.2 meter Gurushikhar Infrared Telescope (GIRT), at Mt. Abu, India using a NICMOS3…

Astrophysics · Physics 2007-06-01 Arvind C. Ranade , Harinder P. Singh , Ranjan Gupta , N. M. Ashok

We present optical spectroscopy of the emission line star BAL 224 (V=17.3, B-V=0.46). This star also named KWBBE 485, [MA93]906 is located at the periphery of the young SMC cluster NGC 330; it is known as a photometric variable with a…

Astrophysics · Physics 2007-05-23 Christophe Martayan , Michele Floquet , Anne-Marie Hubert , Jean Zorec

We present griz light curves of 146 spectroscopically confirmed Type Ia Supernovae ($0.03 < z <0.65$) discovered during the first 1.5 years of the Pan-STARRS1 Medium Deep Survey. The Pan-STARRS1 natural photometric system is determined by a…

One-dimensional photonic crystals (1D PC) represent a class of periodic optical material, composed of alternating media with different dielectric constants along one direction. The most important property of 1D PCs is their photonic…

Optics · Physics 2021-11-08 Quan-Shan Liu , Lu Qiu , Tao Wen , Rui Zhang

One of the processes controlling the interstellar CO abundance and the ratio of its isotopologues is photodissociation. Accurate oscillator strengths and predissociation rates for Rydberg transitions are needed for modeling this process. We…

Astrophysics · Physics 2010-11-11 M. Eidelsberg , Y. Sheffer , S. R. Federman , J. L. Lemaire , J. H. Fillion , F. Rostas , J. Ruiz

We present near-infrared (H band) surface photometry of 170 galaxies, obtained in 1997 using the Calar Alto 2.2m telescope equipped with the NICMOS3 camera MAGIC. The majority of our targets are selected among bright members of the Virgo…

Astrophysics · Physics 2009-10-31 A. Boselli , G. Gavazzi , P. Franzetti , D. Pierini , M. Scodeggio

In this review, I concentrate on describing observations of spatially resolved emission in symbiotic stars at sub-arcsecond scales. In some of the closer objects, the highest resolutions discussed here correspond to linear dimensions…

Astrophysics · Physics 2016-08-30 M. F. Bode

This paper contains the fifth part of the Catalog of Variable Stars created from the V-band photometric data collected by 9x9 deg camera of the All Sky Automated Survey. Preliminary list of variable stars found in the fields located between…

Astrophysics · Physics 2007-05-23 G. Pojmanski , B. Pilecki , D. Szczygiel

High-precision stellar analyses require hydrodynamic 3D modeling. Such models predict changes across stellar disks of spectral line shapes, asymmetries, and wavelength shifts. For testing models in stars other than the Sun, spatially…

Solar and Stellar Astrophysics · Physics 2021-04-28 Dainis Dravins , Hans-Günter Ludwig , Bernd Freytag

Hubble Space Telescope (HST) fine guidance sensor observations were used to obtain parallaxes of eight metal-poor ([Fe/H] < -1.4) stars. The parallaxes of these stars determined by the revised Hipparcos reduction average 17% accuracy, in…