Astrometric Microlensing Events Predicted from Gaia eDR3
Short Name:
am lensing 2
Date:
23 Mar 2022 13:13:11
Publisher:
The GAVO DC team
Description:
From the Gaia eDR3 catalogue we predict astrometric microlensing
events by foreground stars with high proper motion (μ > 100 mas/yr)
passing a background source in the next decades. Using Gaia DR3
photometry we determine an approximate mass of the lens, which we use
to calculate the expected microlensing effects. This yields 4842
microlensing events by 3791 different lenses between 2010 and 2066
with expected shifts larger than 0.1 mas between the lensed and
unlensed positions of the source. The past events might be interested
when analyzing the individual Gaia measurements). 685 of those are
expected to happen within the next decade (2021-2031). For 140 events
we also expect a magnification between 1 mmag and 0.6 mag.
A form to search the VAMDC species list published on the TAP service
at http://dc.g-vo.org/tap. Enter parts of species names or chemical
formulae here and get back matching names, inchis and inchikeys.
Extracted sources from the Bochum Galactic Disk Survey. We provide
mean photometry in U, B, V, z, r, and i bands. Note that sources in
different bands are not matched. Also, sources sitting in the regions
imaged in multiple fields have not been matched even within one band.
In i and r, BGDS light curves are available. See related services for
details.
1BIGB: First Brazil-ICRANet Gamma-Ray Blazar Catalogue
Short Name:
1BIGB SSAP
Date:
23 Mar 2022 13:13:03
Publisher:
The GAVO DC team
Description:
This catalog presents the 1-100 GeV spectral energy distribution (SED)
for a population of 148 high-synchrotron-peaked blazars (HSPs) recently
detected with Fermi-LAT as part of the
First Brazil-ICRANet Gamma-ray Blazar catalogue (1BIGB).
A series of two works describe details on the broadband analysis:
:bibcode:`2017A&A...598A.134A`, and the calculation of the
gamma-ray SEDs :bibcode:`2018MNRAS.480.2165A`.
The 1BIGB sample was originally selected from an excess signal in the
0.3-500 GeV band The flux estimates presented here are derived considering
PASS8 data, integrating over more than 9 years of Fermi-LAT observations. The
full broadband fit between 0.3-500 GeV presented in paper 1 for all sources
was reevaluated in paper 2, updating the power-law parameters with currently
The Bochum Galactic Disk Survey is an ongoing 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 recorded since
mid-2010 in Sloan r and i simultaneously with the RoBoTT Telecsope at
the Universitaetssternwarte Bochum near Cerro Armazones in the Chilean
Atacama desert. It contains measurements of about 2x10^7 stars over
more than seven years. Additionally, intermittent measurements in
Johnson UVB and Sloan z have been recorded as well.
This service exposes the light curves of stars produced by the Bochum
Galactic Disk Survey; several million light curves are provided in the
SDSS i and r bands. The lightcurves are published per-band and are
also available through obscore.
Query service for observation metadata for all CADC archival data holdings. This service
provides Table Access Protocol (TAP) API access to observation metadata conforming to the
Common Archive Observation Model (CAOM) and the IVOA ObsCore data model.
The current dynamic collections (new data arriving) include: CFHT, CFHTMEGAPIPE, DAO, DRAO, GEMINI, HST,
JCMT, NEOSSAT, OMM, TESS, VLASS.
The current static collections include: APASS, BLAST, CFHTTERAPIX, CFHTWIRWOLF,
CGPS, DAOPLATES, FUSE, HSTHLA, IRIS, MACHO, MOST, NGVS, UKIRT, VGPS.
The curent external collections (metadata only, data served by original data centre) include:
CHANDRA, NOAO, SDSS, SUBARU, XMM.
Split spectra from the CALIFA DR3 cubes. This service serves one
spectrum each per pixel in each cube where there is at least one valid
spaxel. Where both V500 and COMB data is available, COMB spectra are
served. WARNING: The individual spectra are not independent. Also,
error estimates over wide spectral ranges based on the error estimates
served here are unreliable.