HSOY is a catalog of 583'001'653 objects with precise astrometry based on
PPMXL and Gaia DR1. Typical formal errors at mean epoch in proper motion are
below 1 mas/yr for objects brighter than 10 mag, and about 5 mas/yr at the
faint end (about 20 mag). South of -30 degrees, astrometry is significantly
worse. HSOY also contains, where available, USNO-B, Gaia, and 2MASS
photometry. HSOY's positions and proper motions are given for epoch J2000.
The catalog becomes severely incomplete faintwards of 16 mag in the G-band.
The mean epochs are typically very close to Gaia's J2015.
HSOY still contains about 0.7% spurious close
"binaries" (non-matched stars) from the original USNO-B (marked with non-NULL
clone). Also, failed matches within Gaia DR1 contribute another 1.5% spurious
pairs (marked with non-NULL comp). In both cases, astrometry presumably is
sub-standard.
More information is available at http://dc.g-vo.org/hsoy.
A catalogue of 541 nearby (within 10pc of the sun) stars, brown
dwarfs, and confirmed exoplanets in 336 systems, as well 21
candidates, compiled from SIMBAD and several other sources. Where
available, astrometry and photometry from Gaia eDR3 has been inserted.
PPMXL is a catalog of positions, proper motions, 2MASS- and optical
photometry of 900 million stars and galaxies, aiming to be complete
down to about V=20 full-sky. It is the result
of a re-reduction of USNO-B1 together with 2MASS to the ICRS as
represented by PPMX. This service additionally provides improved proper
motions computed according to Vickers et al, 2016
(:bibcode:`2016AJ....151...99V`).
Parts I and III of the sixth fundamental catalog, a catalog of
high-precision astrometry for bright stars combining centuries of
ground-based observations as reflected in FK5 with HIPPARCOS
astrometry.
The result contains, in particular for the proper motions,
statistically significant improvements of the Hipparcos data und
represents a system of unprecedented accuracy for these 4150
fundamental stars. The typical mean error in pm is 0.35 mas/year for
878 basic stars, and 0.59 mas/year for the sample of the 3272
additional stars.
WFAU, Institute for Astronomy, University of Edinburgh
Description:
The Two Micron All Sky Survey (2MASS) will provide a uniform survey of the entire sky at three near-infrared wavebands: J(lambdaeff = 1.25 micrometers), H(lambdaeff = 1.65 micrometers), and Ks(lambdaeff = 2.16 micrometers). A major goal of the survey is to probe large scale structures in the Milky Way and in the Local Universe, exploiting the relatively high transparency of the interstellar medium in the near-infrared, and the high near-infrared luminosities of evolved low- and intermediate-mass stars.Home page at http://pegasus.phast.umass.edu/
WFAU, Institute for Astronomy, University of Edinburgh
Description:
This DSA hosts data release 2 of the UKIRT Hemisphere Survey housed at the Wide Field Astronomy Unit at the Univeristy of Edinburgh. The UHS provides continuous J and K-band coverage in the northern hemisphere from a declination of 0 deg to 60 deg.
UKIDSS DR10 - UKIRT Infrared Deep Sky Survey Data Release 10
Short Name:
UKIDSS DR10
Date:
04 Dec 2019 13:39:25
Publisher:
WFAU, Institute for Astronomy, University of Edinburgh
Description:
This DSA hosts data release 10 of the UKIRT Infrared Deep Sky Survey housed at the Wide Field Astronomy Unit at the Univeristy of Edinburgh. This catalog contains WFCAM data primarily originating from four of the five UKIDSS surveys: Large Area Survey, Galactic Clusters Survey, Deep Extragalactic Survey, and Ultra Deep Survey. (see www.ukidss.org for survey descriptions)
UKIDSS DR9 - UKIRT Infrared Deep Sky Survey Data Release 9
Short Name:
UKIDSS DR9
Date:
04 Dec 2019 13:39:14
Publisher:
WFAU, Institute for Astronomy, University of Edinburgh
Description:
This DSA hosts data release 9 of the UKIRT Infrared Deep Sky Survey housed at the Wide Field Astronomy Unit at the Univeristy of Edinburgh. This catalog contains WFCAM data primarily originating from four of the five UKIDSS surveys: Large Area Survey, Galactic Clusters Survey, Deep Extragalactic Survey, and Ultra Deep Survey. (see www.ukidss.org for survey descriptions)
UKIDSS DR8 - UKIRT Infrared Deep Sky Survey Data Release 8
Short Name:
UKIDSS DR8
Date:
04 Dec 2019 13:39:04
Publisher:
WFAU, Institute for Astronomy, University of Edinburgh
Description:
This DSA hosts data release 8 of the UKIRT Infrared Deep Sky Survey housed at the Wide Field Astronomy Unit at the Univeristy of Edinburgh. This catalog contains WFCAM data primarily originating from four of the five UKIDSS surveys: Large Area Survey, Galactic Clusters Survey, Deep Extragalactic Survey, and Ultra Deep Survey. The Galactic Plane Survey will be available in January 2014. (see www.ukidss.org for survey descriptions)