MWSC-e14a ("MWSC extension 2014a") is a catalogue of
139 new open clusters at high Galactic latitudes
(\|b\|>20 deg) including lists of candidate members. It extends the
Kharchenko et al. 'Catalog of Milky Way Star Clusters'.
The target list was compiled as density enhancements found in the 2MASS
point source catalogue. For confirmed clusters we determined a homogeneous
set of astrophysical parameters such as membership, angular radii of the
main morphological parts, proper motion, distance, reddening, age, and
tidal parameters.
.. _Catalog of Milky Way Star Clusters: http://dc.g-vo.org/mwsc/q/clu/form
MWSC presents a list of 3006 Milky Way Stellar Clusters (MWSC), found
in the 2MAst (2MASS with Astrometry) catalogue. The target list was
compiled on the basis of present-day lists of open, globular and
candidate clusters. For confirmed clusters we determined a homogeneous
set of astrophysical parameters such as membership, angular radii of
the main morphological parts, mean cluster proper motions, distances,
reddenings, ages, tidal parameters, and sometimes radial velocities.
OpenNGC is a database containing positions and main data of NGC (New
General Catalogue) and IC (Index Catalogue) objects. It has been built
by merging data from NED, HyperLEDA, SIMBAD, and several databases
available at HEASARC.
In this VO publication, we have changed most of the column names,
mostly to make them work as ADQL column names without resorting to
delimited identifiers. The mapping should be obvious.
PPM-Extended (PPMX) is a catalogue of 18 088 919 stars on the ICRS
system containing astrometric and photometric information. Its
limiting magnitude is about 15.2 in the GSC photometric system.
The RAdial Velocity Experiment (RAVE) contains stellar atmospheric
parameters (effective temperature, surface gravity, overall
metallicity), radial velocities, chemical abundances and distances.
Observations between 2003 and 2013 were used to build the five RAVE
data releases.
The SuperCOSMOS data primarily originate from scans of the UK Schmidt
and Palomar POSS II blue, red and near-IR sky surveys. The ESO Schmidt
R (dec < -17.5) and Palomar POSS-I E (dec > -17.5) surveys have also
been scanned and provide an early (1st) epoch red measurement.
Mirrored here is the source table containing four-plate multi-colour,
multi-epoch data which are merged into a single source catalogue for
general science exploitation. Within the GAVO DC, some column names
have been adapted to local customs (primarily positions, proper
motions).
The fifth U.S. Naval Observatory CCD Astrograph Catalog (UCAC5)
Short Name:
UCAC 5
Date:
27 Dec 2024 08:31:04
Publisher:
The GAVO DC team
Description:
New astrometric reductions of the US Naval Observatory CCD Astrograph
Catalog (UCAC) all-sky observations were performed from first
principles using the TGAS stars in the 8 to 11 magnitude range as
reference star catalog. Significant improvements in the astrometric
solutions were obtained and the UCAC5 catalog of mean positions at a
mean epoch near 2001 was generated. By combining UCAC5 with Gaia DR1
data new proper motions on the Gaia coordinate system for over 107
million stars were obtained with typical accuracies of 1 to 2 mas/yr
(R = 11 to 15 mag), and about 5 mas/yr at 16th mag. Proper motions of
most TGAS stars are improved over their Gaia data and the precision
level of TGAS proper motions is extended to many millions more,
fainter stars.
The database table uses actual NULLs for missing photometry, and all
angular coordinates have been homogenised to degrees.
![To the extent possible under law, the publisher has waived all copyright and related or neighboring rights to PPMXL. For details, see the `Creative Commons CC0 1.0 Public Domain dedication <http://creativecommons.org/publicdomain/zero/1.0/>`_. Of course, you should still give proper credit when using this data as required by good scientific practice. .. image:: /static/img/cc0.png :alt: [CC0]](/registry-search/?f%5BcapabilityType_facet%5D%5B%5D=VOSI+Availability&f%5Brights_facet%5D%5B%5D=To+the+extent+possible+under+law%2C+the+publisher+has+waived+all+copyright+and+related+or+neighboring+rights+to+PPMXL.++For+details%2C+see+the+%60Creative+Commons+CC0+1.0+Public+Domain+dedication+%3Chttp%3A%2F%2Fcreativecommons.org%2Fpublicdomain%2Fzero%2F1.0%2F%3E%60_.++Of+course%2C+you+should+still+give+proper+credit+when+using+this+data+as+required+by+good+scientific+practice.%0A%0A..+image%3A%3A+%2Fstatic%2Fimg%2Fcc0.png%0A+++%3Aalt%3A+%5BCC0%5D%0A%0A&f%5Bsubject_facet_lc%5D%5B%5D=surveys){kind=link}