*** This folder contains the following files for EHT epoch: 2021***
exptL0.txt --- Track ID numbers.
track2expt.txt --- Dictionary of ID numbers and letter-codes for Track IDs.
expt2track.txt --- Dictionary of letter-codes and ID numbers for Track IDs.
AZ2Z.txt --- Dictionary of VEX 2-char to HOPS 1-char code for antennas.
Z2AZ.txt --- Dictionary of HOPS 1-char to VEX 2-char antenna code.
nam2lett.txt --- Dictionary of antenna site name to HOPS 1-char antenna code.
station_dic.txt --- Dictionary of antenna site to VEX 2-char antenna code, and of HOPS 1-char to VEX 2-char antenna code.
ant_locat.txt --- Dictionary of HOPS 1-char antenna code with geocentric coordinates.
antL.txt --- List of HOPS 1-char antenna codes.
sourL.txt --- List of source names observed in this epoch.
ras_dict.txt --- Dictionary of Source and RA coordinates in hours (for HOPS).
dec_dict.txt --- Dictionary of Source and DEC coordinates in degrees (for HOPS).
lat_dict.txt --- Dictionary of Antenna latitude location (for HOPS).
lon_dict.txt --- Dictionary of Antenna longitude location (for HOPS).
vexflag_info.tab -- Table with combined information from .vex and .flag files.
vtf_raw_sd.tab --- Table with raw Tsys values (except Aa for its format is not standard) provided by tel reps. Scans with flag_code=N are omitted. Only invalid source names are corrected.
tsa.csv --- Track, source, antenna dictionary.
DPFU_mean.txt --- List of mean DPFU (K/Jy) values and their percent uncertainties - through tracks, bands and polarisations
phasar_char.txt --- Mean characteristics of the phased-arrays participating in the 2021 campaign.
SEFD_median.txt --- List of median SEFD (Jy) values for primary targets, through bands and polarisations --after data flagging and replacing missing values when possible (except Aa)--.
Tsys_median.txt --- List of median Tsys* (K) values for primary targets, through bands and polarisations --after data flagging and replacing missing values when possible (except Aa)--.
tau_info.txt --- Opacities over the whole campaign.
tsys_proc.tab --- Table with processed Tsys* values: original + modelled ones. ALMA not included.
sefd_proc.tab --- Table with processed SEFD values (based on the values from tsys_proc.tab). ALMA not included.
deleted_df.tab --- Table listing raw data that were completely deleted. If data from SMA is included, Tsys values correspond to SEFDs.
modify_df.tab --- Table listing raw data that were modified to create processed tables.
