Open Access
Table A.1.
Pantheon+SH0ES features.
| Feature | Description |
|---|---|
| CID | Candidate ID |
| IDSURVEY | Survey ID |
| zHD | Hubble diagram redshift (with CMB and VPEC corrections) |
| zHDERR | Hubble diagram redshift uncertainty |
| zCMB | CMB-corrected redshift |
| zCMBERR | CMB-corrected redshift uncertainty |
| zHEL | Heliocentric redshift |
| zHELERR | Heliocentric redshift uncertainty |
| mb_corr | Tripp1998 corrected mb magnitude |
| mb_corr_err_DIAG | mb magnitude uncertainty from the diagonal covariance matrix |
| MU_SH0ES | Tripp1998 corrected distance modulus |
| MU_SH0ES_ERR_DIAG | Uncertainty on MU_SH0ES from the diagonal covariance matrix |
| CEPH_DIST | Cepheid calculated absolute distance to host (incorporated in the covariance matrix) |
| IS_CALIBRATOR | Binary indicator for SN in a host that has an associated Cepheid distance |
| USED_IN_SH0ES_HF | 1 if used in SH0ES 2021 Hubble flow dataset, 0 if not included |
| c | SALT2 colour |
| cERR | SALT2 colour uncertainty |
| x1 | SALT2 stretch |
| x1ERR | SALT2 stretch uncertainty |
| mB | SALT2 uncorrected brightness |
| mBERR | SALT2 uncorrected brightness uncertainty |
| x0 | SALT2 light curve amplitude |
| x0ERR | SALT2 light curve amplitude uncertainty |
| COV_x1_c | SALT2 fit covariance between x1 and c |
| COV_x1_x0 | SALT2 fit covariance between x1 and x0 |
| COV_c_x0 | SALT2 fit covariance between c and x0 |
| RA | Right ascension |
| DEC | Declination |
| HOST_RA | Host galaxy RA |
| HOST_DEC | Host galaxy DEC |
| HOST_ANGSEP | Angular separation between SN and host (arcsec) |
| VPEC | Peculiar velocity (km/s) |
| VPECERR | Peculiar velocity uncertainty (km/s) |
| MWEBV | Milky Way E(B-V) |
| HOST_LOGMASS | Host galaxy log stellar mass |
| HOST_LOGMASS_ERR | Host galaxy log stellar mass uncertainty |
| PKMJD | Fit peak date |
| PKMJDERR | Fit peak date uncertainty |
| NDOF | Number of degrees of freedom in SALT2 fit |
| FITCHI2 | SALT2 fit chi squared |
| FITPROB | SNANA fit probability |
| mb_corr_err_RAW | Statistical only error on fitted mB |
| mb_corr_err_VPEC | VPECERR propagated into magnitude error |
| biasCor_mb | Bias correction applied to brightness mB |
| biasCorErr_mb | Uncertainty on bias correction applied to brightness mB |
| biasCor_mb_COVSCALE | Reduction in uncertainty due to selection effects (multiplicative) |
| biasCor_mb_COVADD | Uncertainty floor from intrinsic scatter model (quadrature) |
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