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Interacting galaxies from HST archives
Mergers play a complex role in galaxy formation and evolution. Continuing to improve our understanding of these systems requires ever larger samples, which can be difficult... -
Digitized First Byurakan Survey (DFBS) Extracted Spectra
This table contains basic metadata as well as the spectra from the Digital First Byurakan Survey (DFBS). -
UCAC3 nocross
The UCAC3 all-sky CCD astrograph catalogue, minus the fields from 2MASS and SuperCosmos and matching/object flags (which can be recovered with a local crossmatch). -
Corrections between UCAC3 and PPMXL
Differences between UCAC3 and PPMXL in positions and proper motions, on an all-sky one-degree grid. At each gridpoint we give the differences X(PPMXL)- X(UCAC3) averaged over... -
SMAKCED Census of Structure in Early-type Dwarf Galaxies
The Stellar content, MAss and Kinematics of Cluster Early-type Dwarf galaxies (SMAKCED_) project is a survey of 121 Virgo cluster early type galaxies. This service publishes... -
SMAKCED H-band images of Early-Type Virgo Dwarf Galaxies
The Stellar content, MAss and Kinematics of Cluster Early-type Dwarf galaxies (SMAKCED_) project is a survey of 121 Virgo cluster early type galaxies. This service publishes... -
VLBI images of Lockman Hole radio sources
These are 1.4GHz Very Long Baseline Interferometry images of 532 radio sources with a flux density exceeding 100uJy as determined by Ibar et al. (2009, MNRAS, 397, 281),... -
The fourth U.S. Naval Observatory CCD Astrograph Catalog (UCAC4)
UCAC4 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... -
MWSC Star Cluster Extension 2014a
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... -
Bochum Galactic Disk Survey (BGDS) images
The Bochum Galactic Disk Survey is a project to monitor the stellar content of the Galactic disk in a 6 degree wide stripe centered on the Galactic plane. The data has been... -
Photometric redshifts in Stripe 82
This is a catalogue of photometric redshifts of galaxies in the Stripe 82 obtained when morphology (galaxy size, ellipticity, Sérsic index, and surface brightness) are included... -
The HSOY Catalog
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... -
The Lepine-Shara Catalog of High Proper Motion Stars
The LSPM catalog is a comprehensive list of 61,977 stars north of the J2000 celestial equator that have proper motions larger than 0.15"/yr (local-background-stars frame).... -
Geometric and photogeometric distances to 1.47 billion stars in Gaia Early Da...
We estimate the distance from the Sun to sources in Gaia eDR3 that have parallaxes. We provide two types of distance estimate, together with their corresponding asymmetric... -
Gaia DR3 Lite Distances Subset Cone Search
This service returns the most important Gaia DR3 gaia_source columns together with robust geometric and photogeometric distances for the ~1.47 billion objects in Bailer-Jones et... -
ICRS Corrections by USNO-B1 Plate
Plate corrections to USNO-B 1.0 based on a crossmatch with PPMX -
The USNO-B 1.0 Catalog
Spurious detections in USNO-B 1.0 as established by Barron et al, 2008AJ....135..414B. -
The USNO-B 1.0 Catalog
The USNO-B 1.0 catalogue with Barron's spurious detections removed. -
ARIHIP astrometric catalogue
The catalogue ARIHIP has been constructed by selecting the 'best data' for a given star from combinations of HIPPARCOS data with Boss' GC and/or the Tycho-2 catalogue as well as... -
TGAS catalogue
This table is a subset of GaiaSource comprising those stars in the Hipparcos and Tycho-2 Catalogues for which a full 5-parameter astrometric solution has been possible in Gaia...
