Table Description: UPDATED: 2023/05/02! Cosmicflows-4 Table 3: CF4 all group averaged distances. R B Tully et al. 2023, ApJ 944:94

Column | Description |
---|---|

PGC | PGC identification of brightest member of group |

DM_zp | Group weighted average distance modulus (w=1/sigma^2) over 5 methods (FP,TF,SBF,SNIa,SNII); arbitrary SNIa scale; revised to calibrator scale. If unavailable from 5 methods then direct calibration value given. |

DM_av | Group weighted average distance modulus (w=1/sigma^2) over 5 methods (FP,TF,SBF,SNIa,SNII); arbitrary SNIa scale |

eDM_av | Error of all measured moduli, excluding TRGB and Cepheid calibrators, derived from inverse of summed weight |

Vcmb | Group radial velocity in CMB frame, averaged over all galaxies in 2MASS K<11.75 group catalog by Tully (2015) |

RA | Right ascension J2000 in decimal degrees |

DE | Declination J2000 |

GLong | Galactic longitude |

GLat | Galactic latitude |

SGL | Object supergalactic longitude |

SGB | Object supergalactic latitude |

Nc | Number of Cepheid and TRGB measures available in group |

DM_cal | Distance modulus averaged over Cepheid, TRGB and maser calibration values |

Nsn | Number of galaxies with SNIa measures in group |

DM_SNIa | Weighted average SNIa distance moduli (w=1/sigma^2) [excluding Walker+15] |

eDM_SNIa | Minimum error of all measured moduli |

Nfp | Number of galaxies with FP measures in group |

DM_FP | Group weighted average FP distance modulus (w=1/sigma^2) |

eDM_FP | Error of all measured moduli derived from inverse of summed weight |

Ntf | Number of galaxies with TF measures in group |

DM_TFR | Weighted average TF distance moduli (w=1/sigma^2) |

eDM_TFR | Minimum error of all measured moduli |

Nsbfo | Number of galaxies with optical SBF measures in group |

DM_SBFo | Group weighted average optical SBF distance modulus (w=1/sigma^2) |

eDM_SBFo | Error of all measured moduli derived from inverse of summed weight |

Nsbfi | Number of galaxies with optical SBF measures in group |

DM_SBFir | Group weighted average infrared SBF distance modulus (w=1/sigma^2) |

eDM_SBFir | Error of all measured moduli derived from inverse of summed weight |

DM_SNII | Group averaged SNII distance modulus |

eDM_SNII | Error of measured moduli |