Description of columns in the table `peas_tbl4' Contact Carie Cardamone (cnc@mit.edu) or Kyle Willett (willett@physics.umn.edu) with questions. Any use of this dataset should cite Cardamone et al. (2009), MNRAS, 399, 1191-1205 DR7OBJID - SDSS DR7 objID RA - right ascension [J2000] DEC - declination [J2000] REDSHIFT - spectroscopic redshift OIII_EW - equivalent width of [OIII] 5007 line [angstrom] L_FUV - far-ultraviolet luminosity from GALEX GR4 [10^44 erg/s] L_FUV_ERR - uncertainty in far-ultraviolet luminosity from GALEX GR4 [10^44 erg/s] SFR - star formation rate based on H-alpha flux [M_sun / yr] SFR_ERR - uncertainty in star formation rate based on H-alpha flux [M_sun / yr] METALLICITY - log(O/H) + 12; calculated from [NII]/[OII] ratio METALLICITY_ERR_UPPER - upper 1-sigma limit on log(O/H) + 12 METALLICITY_ERR_LOWER - lower 1-sigma limit on log(O/H) + 12 M_STELLAR - stellar mass from Schawinski et al. (2007) method [M_sun]