Variability short timescale (gaiadr2.vari_short_timescale)

The table has 3018 rows, 9 columns.

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.

More information can be found on the credit and citation instructions page.

Columns

Name Type UCD Unit Description
solution_id long meta.version

Solution Identifier

source_id long meta.id
meta.main
meta.ref

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 char time Time[day]

Characteristic time scales of variability

variogram_values char 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)