{
  "AT2020adtb": {
    "schema": "https://github.com/astrocatalogs/supernovae/blob/d3ef5fc/SCHEMA.md",
    "name": "AT2020adtb",
    "sources": [
      {
        "name": "Transient Name Server",
        "url": "https://www.wis-tns.org/object/2020adtb",
        "alias": "1"
      },
      {
        "name": "2020TNSTR3940....1C",
        "bibcode": "2020TNSTR3940....1C",
        "reference": "K. C. Chambers",
        "alias": "2"
      },
      {
        "name": "The Open Supernova Catalog",
        "bibcode": "2017ApJ...835...64G",
        "reference": "Guillochon et al. (2017)",
        "secondary": true,
        "url": "https://sne.space",
        "alias": "3"
      },
      {
        "name": "ALeRCE / ZTF",
        "alias": "4",
        "url": "https://alerce.online/object/ZTF20acrcphu",
        "secondary": true
      },
      {
        "name": "Schlafly & Finkbeiner (2011)",
        "alias": "5",
        "bibcode": "2011ApJ...737..103S",
        "reference": "Schlafly & Finkbeiner (2011)",
        "secondary": true
      }
    ],
    "alias": [
      {
        "value": "PS20mtu",
        "source": "1"
      },
      {
        "value": "2020adtb",
        "source": "1"
      },
      {
        "value": "AT2020adtb",
        "source": "1"
      },
      {
        "value": "SN2020adtb",
        "source": "1"
      },
      {
        "value": "AT 2020adtb",
        "source": "1"
      },
      {
        "value": "ZTF20acrcphu",
        "source": "ALeRCE Cone Match"
      }
    ],
    "ra": [
      {
        "value": "21:36:19.351",
        "u_value": "hours",
        "source": "1"
      }
    ],
    "dec": [
      {
        "value": "-15:40:15.16",
        "u_value": "degrees",
        "source": "1"
      }
    ],
    "discoverer": [
      {
        "value": "K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders, S. Srivastav, M. Fulton, S. J. Smartt, D. O'Neill, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)",
        "source": "1"
      }
    ],
    "discoverdate": [
      {
        "value": "2020/12/03",
        "source": "1"
      }
    ],
    "discoverymag": [
      {
        "value": "21.16",
        "kind": "discovery",
        "source": "2",
        "band": "w",
        "time": "59186.21500",
        "u_time": "MJD",
        "e_value": "0.1950"
      }
    ],
    "photometry": [
      {
        "time": "59140.12676",
        "magnitude": "20.3258",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59140.17667",
        "magnitude": "20.4217",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59143.12998",
        "magnitude": "20.4149",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59143.19181",
        "magnitude": "20.4626",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59145.16912",
        "magnitude": "20.0745",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59145.21845",
        "magnitude": "19.9619",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59149.19049",
        "magnitude": "18.7099",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59150.16603",
        "magnitude": "19.1771",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59150.22123",
        "magnitude": "19.0302",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59151.14828",
        "magnitude": "19.1557",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59151.24424",
        "magnitude": "18.9334",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59152.18993",
        "magnitude": "19.4693",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59152.23833",
        "magnitude": "18.8647",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59153.08524",
        "magnitude": "19.6457",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59153.14796",
        "magnitude": "19.0346",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59154.19490",
        "magnitude": "19.2855",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59157.17119",
        "magnitude": "19.5917",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59158.12692",
        "magnitude": "20.1284",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59164.12612",
        "magnitude": "19.7610",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59165.08725",
        "magnitude": "20.2122",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59165.15193",
        "magnitude": "20.1454",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59167.10645",
        "magnitude": "19.8052",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59167.14747",
        "magnitude": "20.3421",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "kind": "detection",
        "survey": "ZTF",
        "provider": "ALeRCE",
        "candid": "1413147464415015009",
        "e_magnitude": "0.3044",
        "ra": "324.080578",
        "dec": "-15.671106"
      },
      {
        "time": "59168.09714",
        "magnitude": "19.9995",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59168.12523",
        "magnitude": "19.9163",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59170.10288",
        "magnitude": "20.1984",
        "upperlimit": true,
        "kind": "non_detection",
        "band": "g",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "survey": "ZTF",
        "provider": "ALeRCE"
      },
      {
        "time": "59170.11022",
        "magnitude": "20.1627",
        "band": "r",
        "telescope": "ZTF",
        "instrument": "ZTF",
        "u_time": "MJD",
        "source": "4",
        "kind": "detection",
        "survey": "ZTF",
        "provider": "ALeRCE",
        "candid": "1416110214415015012",
        "e_magnitude": "0.1950",
        "ra": "324.080529",
        "dec": "-15.670888"
      }
    ],
    "photometry_ingest": {
      "alerce": {
        "status": "ok",
        "n_points": 27
      },
      "tns": {
        "status": "error",
        "n_detections": 0,
        "n_limits": 0,
        "source": null,
        "fetched_at": "2026-11-05T18:18:21Z",
        "error": "HTTP 403"
      }
    },
    "maxappmag": [
      {
        "value": "20.16",
        "kind": "fitted_peak",
        "derived": true,
        "source": "4"
      }
    ],
    "spectra": [],
    "ebv": [
      {
        "value": "0.0583",
        "derived": true,
        "source": "5",
        "e_value": "0.0009"
      }
    ],
    "brightest_observed_mag": [
      {
        "value": "20.16",
        "kind": "brightest_observed",
        "band": "r",
        "source": "4"
      }
    ],
    "maxdate": [
      {
        "value": "2020/11/17",
        "kind": "peak_epoch",
        "derived": true,
        "source": "4"
      }
    ],
    "maxband": [
      {
        "value": "r",
        "kind": "peak_epoch",
        "derived": true,
        "source": "4"
      }
    ],
    "maxvisualappmag": [
      {
        "value": "20.16",
        "kind": "fitted_peak",
        "derived": true,
        "source": "4"
      }
    ],
    "maxvisualdate": [
      {
        "value": "2020/11/17",
        "kind": "peak_epoch",
        "derived": true,
        "source": "4"
      }
    ],
    "maxvisualband": [
      {
        "value": "r",
        "kind": "peak_epoch",
        "derived": true,
        "source": "4"
      }
    ]
  }
}