Sub exposures (applause_dr1.exposure_sub)

The table has -1 rows, 16 columns.

Description

This table contains data on sub-exposures. If an exposure of a photographic plate was interrupted, then it consists of two or more sub-exposures. Sub-exposures are related to exposures by exposure_id.

Attribution

If you have made substantial use of the data provided by APPLAUSE DR1, kindly include this acknowledgement

Funding for APPLAUSE has been provided by DFG (German Research Foundation, Grant), Leibniz Institute for Astrophysics Potsdam (AIP), Dr. Remeis Sternwarte Bamberg (University Nuernberg/Erlangen) and the Hamburger Sternwarte (University of Hamburg).

Columns

Name	Type	UCD	Unit	Description
exposure_id	int	meta.id		Exposure identification number
plate_id	int	meta.id		Plate identification number
exposure_num	short	meta.record		Exposure sequence number
subexposure_num	short	meta.record		Sub-exposure sequence number
date_orig_start	char	time.start obs.exposure		Original recorded date of the sub-exposure (evening date)
time_orig_start	char	time.start obs.exposure		Original recorded start time of the sub-exposure
time_orig_end	char	time.end obs.exposure		Original recorded end time of the sub-exposure
ut_start	char	time.start obs.exposure	Time[yyyy-mm-dd hh:mm:ss]	UT date and time of the start of exposure
ut_mid	char	time.epoch obs.exposure	Time[yyyy-mm-dd hh:mm:ss]	UT date and time at the mid-point of sub-exposure
ut_end	char	time.end obs.exposure	Time[yyyy-mm-dd hh:mm:ss]	UT date and time of the sub-exposure end
jd_start	double	time.start obs.exposure		Julian date at the start of exposure
jd_mid	double	time.epoch obs.exposure		Julian date at the mid-point of exposure
jd_end	double	time.end obs.exposure		Julian date at the end of sub-exposure
exptime	float	time.interval obs.exposure	s	Exposure time
timestamp_insert	char	time.creation	Time[yyyy-mm-dd hh:mm:ss]	Timestamp of insert
timestamp_update	char	time.creation	Time[yyyy-mm-dd hh:mm:ss]	Timestamp of last update