{
  "SN2025rby": {
    "schema": "https://github.com/astrocatalogs/supernovae/blob/d3ef5fc/SCHEMA.md",
    "name": "SN2025rby",
    "sources": [
      {
        "name": "Transient Name Server",
        "url": "https://www.wis-tns.org/object/2025rby",
        "alias": "1"
      },
      {
        "name": "2025TNSTR2688....1O",
        "bibcode": "2025TNSTR2688....1O",
        "reference": "D. O'Neill",
        "alias": "2"
      },
      {
        "name": "The Open Supernova Catalog",
        "bibcode": "2017ApJ...835...64G",
        "reference": "Guillochon et al. (2017)",
        "secondary": true,
        "url": "https://sne.space",
        "alias": "3"
      }
    ],
    "alias": [
      {
        "value": "2025rby",
        "source": "1"
      },
      {
        "value": "AT2025rby",
        "source": "1"
      },
      {
        "value": "GOTO25evx",
        "source": "1"
      },
      {
        "value": "SN2025rby",
        "source": "1"
      },
      {
        "value": "ATLAS25hsc",
        "source": "1"
      },
      {
        "value": "SN 2025rby",
        "source": "1"
      }
    ],
    "ra": [
      {
        "value": "18:17:06.321",
        "u_value": "hours",
        "source": "1"
      }
    ],
    "dec": [
      {
        "value": "-54:32:51.12",
        "u_value": "degrees",
        "source": "1"
      }
    ],
    "claimedtype": [
      {
        "value": "Ia",
        "source": "1"
      }
    ],
    "redshift": [
      {
        "value": "0.06",
        "kind": "spectroscopic",
        "source": "1"
      }
    ],
    "discoverer": [
      {
        "value": "D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration",
        "source": "1"
      }
    ],
    "discoverdate": [
      {
        "value": "2025/07/13",
        "source": "1"
      }
    ],
    "photometry": [
      {
        "time": "60869.59500",
        "magnitude": "18.27",
        "band": "L",
        "u_time": "MJD",
        "source": "2",
        "telescope": "GOTO"
      }
    ],
    "velocity": [
      {
        "value": "17,449",
        "derived": true,
        "u_value": "km/s",
        "kind": "heliocentric"
      }
    ],
    "lumdist": [
      {
        "value": "268.66",
        "derived": true,
        "u_value": "Mpc",
        "dist_mly": 876.3,
        "dist_mod": 37.15
      }
    ],
    "comovingdist": [
      {
        "value": "253.45",
        "derived": true,
        "u_value": "Mpc"
      }
    ],
    "ebv": [
      {
        "value": "0.1067",
        "derived": true,
        "u_value": "mag",
        "a_v": 0.331,
        "source_name": "Schlafly & Finkbeiner (2011)"
      }
    ],
    "maxappmag": [
      {
        "value": "18.27 (L)",
        "derived": true,
        "band": "L"
      }
    ],
    "maxdate": [
      {
        "value": "2025/07/13 (MJD 60869.6)",
        "derived": true
      }
    ],
    "maxabsmag": [
      {
        "value": "-18.88 mag",
        "derived": true,
        "dereddened": "-19.21 mag (A_V corrected)"
      }
    ]
  }
}