- ID:
- ivo://CDS.VizieR/J/other/PBeiO/17.105
- Title:
- Third preliminary catalogue of stars
- Short Name:
- J/other/PBeiO/17
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- On the basis of the data observed with the Photoelectric Transit Instrument, of the Beijing Astronomical Observatory during the period from 1980 through 1984, the third preliminary catalogue of stars on right ascension observed with the Photoelectric Transit Instrument (PPCP3) have been compiled. The relations between the residuals V and the magnitude M, and the spectral type S of FK4 stars are discussed. There are 411 stars in this catalogue. The mean precisions of {DELTA}alpha's is +/-2.3ms. Finally systematic corrections of PPCP3-FK4 are given.
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- ID:
- ivo://nasa.heasarc/rc3
- Title:
- Third Reference Catalog of Bright Galaxies
- Short Name:
- RC3
- Date:
- 27 Sep 2024
- Publisher:
- NASA/GSFC HEASARC
- Description:
- This table contains the machine-readable version of the Third Reference Catalogue of Bright Galaxies (RC3) by G. de Vaucouleurs, A. de Vacouleurs, H.G. Corwin, R.J. Buta, P. Fouque, and G. Paturel, originally published by Springer-Verlag in 1991, and including some corrections and additions made by Corwin et al. (1994, AJ, 108, 2128). Only brief parameter descriptions are given in this help file. Detailed information about, for example, how certain quantities were derived, or exactly what a given code means, can be found in the printed version of RC3. This table was created by the HEASARC in March 2007 based on CDS table VII/155/rc3, and replaced an earlier version which did not contain the corrections made by Corwin et al. This is a service provided by NASA HEASARC .
- ID:
- ivo://CDS.VizieR/VII/155
- Title:
- Third Reference Cat. of Bright Galaxies (RC3)
- Short Name:
- VII/155
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The University of Texas has revised its third edition of its catalogue of bright galaxies. This not only contains many more entries than the second edition (23,022) but substantially more information for each entry.
- ID:
- ivo://astronet.ru/cas/denis
- Title:
- Third release of DENIS data (20 September 2005)
- Short Name:
- denis
- Date:
- 17 Jun 2006 18:44:05
- Publisher:
- Sternberg Astronomical Institute Virtual Observatory Project
- Description:
- This catalogue is the latest incremental release of the DENIS project. It consists of a set of 355,220,325 point sources detected by the DENIS survey in 3662 strips (covering each 30 degrees in declination and 12 arcmin in right ascension). The data in this release cover approximately 16700 square degrees of the Southern sky. Multiple detections of single point sources have been merged in image overlaps within individual strips, but sources can have multiple detections in overlaping strips. DENIS is the only astronomical survey of the Southern sky made in two near-infrared bands (J at 1.25{mu}m, and K_s_ at 2.15{mu}m) and one optical band (Gunn-i at 0.82{mu}m), with limiting magnitudes 16.5, 14 and 18.5, respectively. Saturation magnitudes are K_s_=6, J=7.5 and Gunn-i=9.8mag. It was conducted by a European consortium, using the 1m telescope at ESO, La Silla (Chile). The DENIS instrument is made up of a 3-channel camera built of commercially available detector arrays by the Observatoire de Paris and with major contributions from other European Institutes, notably: the IAS in Frascati, the Observatoire de Grenoble, the University of Innsbruck, the Observatoire de Lyon, and the IAC in Tenerife. The survey is carried out by observing strips of 30{deg} in declination and 12arcminutes in Right Ascension with an overlap of 2 arcminutes between consecutive strips. The survey started at the end of 1995 and has been completed up to 97% in 2001. The data have been reduced at the Institut d'Astrophysique de Paris and Observatoire de Paris. The position of a general extracted point source is provided with an accuracy better than 1arcsec and its magnitude to better than 0.1 mag. The Centre de Donnees Astronomiques de Strasbourg (CDS) is releasing the final databases and provides access of the processed and calibrated data to the worldwide community. The principal investigator of the DENIS project is N. Epchtein (Observatoire de la Cote d'Azur); the Co-PI in charge of data processing is G. Simon (observatoire de Paris); J. Borsenberger and B. de Batz, with the help of F. Tanguy, S. Begon and P. Texier, processed the data and implemented the working data base at PDAC; S. Derriere is in charge of the data release at CDS. Scientists and engineers from seven European countries and from Brazil are involved in the data qualification and analysis.
- ID:
- ivo://astronet.ru/cas/ucac3
- Title:
- Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3)
- Short Name:
- ucac3
- Date:
- 17 Jun 2006 18:44:05
- Publisher:
- Sternberg Astronomical Institute Virtual Observatory Project
- Description:
- UCAC3 is a compiled, all-sky star catalog covering mainly the 8 to 16 magnitude range in a single bandpass between V and R. Positional errors are about 15 to 20 mas for stars in the 10 to 14 mag range. It is supplemented by proper motions and SuperCosmos and 2MASS photometric data, as well as various flags. The proper motions of bright stars are based on about 140 catalogs, including Hipparcos and Tycho, as well as all catalogs used for the Tycho-2 proper motion construction. Proper motions of faint stars are based on a re-reduction of early epoch SPM data (-90 to -10 deg Dec) plus Schmidt plate data from the SuperCosmos project (down weighted due to systematic errors of order 100 mas). The proper motions of faint stars (R <= 13.5) therefore should be used with caution. The unpublished plate measure data from the AGK2, the Hamburg Zone Astrograph, the USNO Black Birch Astrograph, and the Lick Astrograph have considerably contributed to improve proper motions for stars mainly in the 10 to 14 mag range (down to the UCAC3 limit for Lick data); however, these data do not cover all sky. UCAC3 features a number of major differences with respect to UCAC2: - complete sky coverage - re-reduction of the pixel data with better modeling - double stars are resolved to the limit of the data - significantly improved photometry from CCD data - slightly deeper limiting magnitude with larger number of stars/area - reduced systematic errors of CCD observations - the addition of several new catalogs for improved proper motions - photometry in the B, R, and I bands from the SuperCosmos project - minor planet observations have been sorted out - identification of more high proper motion stars - match with 2MASS extended sources and LEDA galaxies Additional details will be published in the upcoming release paper (Zacharias et al. 2009) and in several technical papers describing details of the reduction procedures and results. For the latest updates see http://www.usno.navy.mil/usno/astrometry .
- ID:
- ivo://CDS.VizieR/J/AJ/129/1163
- Title:
- Third VLBA calibrator survey: VCS3
- Short Name:
- J/AJ/129/1163
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present the third extension to the Very Long Baseline Array (VLBA) Calibrator Survey, containing 360 new sources not previously observed with Very Long Baseline Interferometry (VLBI). The survey, based on three 24 hour VLBA observing sessions, fills the areas on the sky above declination -45{deg} where the calibrator density is less than one source within a 4{deg} radius disk at any given direction. The positions were derived from astrometric analysis of the group delays determined at 2.3 and 8.6GHz frequency bands using the CALC/SOLVE software package. The VCS3 catalog of source positions, plots of correlated flux density versus length of projected baseline, and contour plots and FITS files of naturally weighted CLEAN images, as well as calibrated visibility function files, are available electronically from the Goddard Geodetic VLBI Group.
22167. thmsm
- ID:
- ivo://iap/thmsm/q/epn_core
- Title:
- thmsm
- Short Name:
- thmsm.epn_core
- Date:
- 01 Jul 2024 15:20:33
- Publisher:
- iap.cz
- Description:
- This service publishes spectral matrix data from the Earth magnetosphere obtained by the THEMIS satellites. The data contains the upper triangle for the 6x6 correlation matrix of the three magnetic and three electric components of the electromagnetic field in 164 frequency bands in the magnetic field-aligned reference frame. For more information, refer to https://doi.org/10.1007/s10712-018-9503-1
- ID:
- ivo://CDS.VizieR/J/other/IBVS/5721
- Title:
- 78th name-list of variable stars
- Short Name:
- J/other/IBVS/572
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present the next regular Name-List of variable stars containing information on 1706 variable stars recently designated in the system of the General Catalogue of Variable Stars.
- ID:
- ivo://CDS.VizieR/J/other/IBVS/5863
- Title:
- 79th Name-List of Variable Stars
- Short Name:
- J/other/IBVS/586
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present the special Name-List of variable stars containing information on 1270 variable stars recently designated in the system of the General Catalogue of Variable Stars, which are mostly former suspected variables from the NSV catalogue.
- ID:
- ivo://CDS.VizieR/J/other/IBVS/6151
- Title:
- 81th name-list of variable stars. I.
- Short Name:
- J/other/IBVS/615
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present the first part of a new Name-List of variable stars containing information on 1951 variable stars recently designated in the system of the General Catalogue of Variable Stars. With the exception of Novae and other unusual variables named upon request from the IAU CBAT or by our initiative, these stars are in the range of J2000.0 right ascensions from 0 hours to 17 hours 30 minutes.