gdr2.vari_short_timescale

Description

This table describes the short-timescale sources. For DR2, all sources in this table were selected according to their variogram analysis.

Attribution

If you have used Gaia data in your research, please use the following acknowledgement:

This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.

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Columns

Name Type UCD Unit Description
solution_id long meta.version Solution Identifier
source_id long meta.id
meta.main
Unique source identifier
amplitude_estimate double src.var.amplitude
phot.mag
em.opt
Magnitude[mag] Amplitude estimate of all per CCD G-band photometry (quantile(95%)-quantile(5%))
number_of_fov_transits int meta.number Number of FoV transits with more than 7 CCD measurements after time series cleaning
mean_of_fov_abbe_values double stat.value Mean of per-FOV Abbe values derived from CCD G-band photometry
variogram_num_points int meta.number Number of points in the variogram
variogram_char_timescales array time Time[day] Characteristic time scales of variability
variogram_values array stat.value Misc[mag**2] Variogram values associated with the variogramCharTimescales
frequency double src.var
time.period
Frequency[day^-1] Frequency search result for either G CCD, G FoV, BP or RP photometry (Null if no periodicity detected)