SPT ID: Cluster name in the format SPT-CL JHHMM.m-DDMM.m, except for clusters published previously with SPT designation, which are labeled as SPT-CL JHHMM-DDMM to be consistent with previous IAU naming scheme

RA: Right ascension (degrees)

DEC: Declination (degrees)

XI: SPT detection significance

THETA CORE: Filter core size corresponding to detection

YSZ: Integrated Comptonization measured within 0.75'

YSZ_UNC: 1 sigma Uncertainty on integrated Comptonization measured within 0.75'

PS FLAG: (1) if cluster within 4' of a bright source > 6 mJy at 150 GHz, (2) if ySZ measurement
impacted by nearby source/massive cluster, (3) if both

REDSHIFT: Redshift

REDSHIFT UNC: Uncertainty on redshift

REDSHIFT SOURCE: Source of redshift (spectroscopic, MCMF, Spitzer, etc.)

SPECZ: Binary, 1 if redshift is spectroscopic, 0 if not

SPECZ REF: Bibliographic reference for spectroscopic redshift

M500C:  Mass, units of 10^14 Msun/h70

M500C_UERR: Upper 1 sigma uncertainty on the mass estimate

M500C_LERR: Lower 1 sigma uncertainty on the mass estimate

LAMBDA: MCMF richness (where available)

LAMBDA_UNC: 1 sigma uncertainty on MCMF richness

FCONT: Contamination estimation for structure associated with redshift assignment

MCMF_MASK1: Fraction of optical data within 1' masked in MCMF analysis

MCMF_MASK2: Fraction of optical data within 2' masked in MCMF analysis

LOS: Binary flag identifying systems with multiple significant optical/IR structures along the line of sight

LAMBDA2: Richness estimation of secondary structure

LAMBDA2 UNC: Uncertainty on richness estimation of secondary structure

REDSHIFT2·: Redshift estimate for secondary structure

REDSHIFT2_UNC: Redshift uncertainty for secondary structure

FCONT2: Contamination estimate for secondary structure

STRONG_LENS: Gravitational strong lens flag, (1) Optical strong lens flagged by our visual analysis, (2) Strong lens from the literature, (3) if both.

STRONG_LENS_REF: Bibliographic reference for strong lens

DSFG_FLAG: (1) if DSFG within 30'' of SZ centroid, (2) if ySZ potentially biased by dusty signal, (3) if both