[
  {
    "$match": {
      "objectId": "ZTF20aacbyec",
      "candidate.programid": {
        "$in": [
          1
        ]
      }
    }
  }, {
    "$project": {
      "cutoutScience": 0,
      "cutoutTemplate": 0,
      "cutoutDifference": 0
    }
  }, {
    "$lookup": {
      "from": "ZTF_alerts_aux",
      "localField": "objectId",
      "foreignField": "_id",
      "as": "aux"
    }
  }, {
    "$project": {
      "cross_matches": {
        "$arrayElemAt": [
          "$aux.cross_matches", 0
        ]
      },
      "prv_candidates": {
        "$filter": {
          "input": {
            "$arrayElemAt": [
              "$aux.prv_candidates", 0
            ]
          },
          "as": "item",
          "cond": {
            "$and": [
              {
                "$in": [
                  "$$item.programid",
                  [
                    1,
                    2,
                    3
                  ]
                ]
              },
              {
                "$lt": [
                  {
                    "$subtract": [
                      "$candidate.jd",
                      "$$item.jd"
                    ]
                  },
                  100
                ]
              }
            ]
          }
        }
      },
      "schemavsn": 1,
      "publisher": 1,
      "objectId": 1,
      "candid": 1,
      "candidate": 1,
      "classifications": 1,
      "coordinates": 1
    }
  }, {
    "$project": {
      "_id": 0,
      "candid": 1,
      "objectId": 1,
      "prv_candidates.jd": 1,
      "prv_candidates.magpsf": 1,
      "prv_candidates.fid": 1,
      "prv_candidates.isdiffpos": 1,
      "isdiffpos": "$candidate.isdiffpos",
      "m_now": "$candidate.magpsf",
      "m_app": "$candidate.magap",
      "t_now": "$candidate.jd",
      "fid_now": "$candidate.fid",
      "sgscore": "$candidate.sgscore1",
      "sgscore2": "$candidate.sgscore2",
      "sgscore3": "$candidate.sgscore3",
      "srmag": "$candidate.srmag1",
      "srmag2": "$candidate.srmag2",
      "srmag3": "$candidate.srmag3",
      "sgmag": "$candidate.sgmag1",
      "simag": "$candidate.simag1",
      "drbscore": "$candidate.drb",
      "magnr": "$candidate.magnr",
      "distnr": "$candidate.distnr",
      "distpsnr1": "$candidate.distpsnr1",
      "distpsnr2": "$candidate.distpsnr2",
      "distpsnr3": "$candidate.distpsnr3",
      "scorr": "$candidate.scorr",
      "fwhm": "$candidate.fwhm",
      "elong": "$candidate.elong",
      "nbad": "$candidate.nbad",
      "chipsf": "$candidate.chipsf",
      "gal_lat": "$coordinates.b",
      "ssdistnr": "$candidate.ssdistnr",
      "ssmagnr": "$candidate.ssmagnr",
      "ssnamenr": "$candidate.ssnamenr",
      "t_start": "$candidate.jdstarthist",
      "age": {
        "$subtract": [
          "$candidate.jd", "$candidate.jdstarthist"
        ]
      }
    }
  }, {
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      "fid_now": 1,
      "sgscore": 1,
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      "magnr": 1,
      "distnr": 1,
      "scorr": 1,
      "gal_lat": 1,
      "ssdistnr": 1,
      "ssnamenr": 1,
      "age": 1,
      "peakmag": {
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              "input": "$prv_candidates",
              "as": "cand",
              "in": {
                "$cond": [
                  {
                    "$eq": [
                      "$$cand.fid", "$fid_now"
                    ]
                  }, "$$cand.magpsf", null
                ]
              }
            }
          }, "$m_now"
        ]
      },
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            "$lt": [
              "$m_now", 19.0
            ]
          },
          {
            "$anyElementTrue": {
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                            ]
                          }
                        }, 0.75
                      ]
                    }, {
                      "$in": [
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                        ]
                      ]
                    }, {
                      "$gt": [
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                      ]
                    }, {
                      "$lt": [
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                      ]
                    }
                  ]
                }
              }
            }
          }
        ]
      },
      "latitude": {
        "$gte": [
          {
            "$abs": "$gal_lat"
          }, 7
        ]
      },
      "positivesubtraction": {
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          ]
        ]
      },
      "real": {
        "$gt": [
          "$drbscore", 0.5
        ]
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      "nopointunderneath": {
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            "$and": [
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                "$gt": [
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                ]
              }, {
                "$lt": [
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                ]
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            ]
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        ]
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                "$lt": [
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                ]
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                "$lt": [
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                ]
              }, {
                "$gt": [
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                ]
              }, {
                "$gt": [
                  "$sgscore", 0.49
                ]
              }
            ]
          }, {
            "$and": [
              {
                "$lt": [
                  "$distpsnr2", 20
                ]
              }, {
                "$lt": [
                  "$srmag2", 15
                ]
              }, {
                "$gt": [
                  "$srmag2", 0
                ]
              }, {
                "$gt": [
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                ]
              }
            ]
          }, {
            "$and": [
              {
                "$lt": [
                  "$distpsnr3", 20
                ]
              }, {
                "$lt": [
                  "$srmag3", 15
                ]
              }, {
                "$gt": [
                  "$srmag3", 0
                ]
              }, {
                "$gt": [
                  "$sgscore3", 0.49
                ]
              }
            ]
          }, {
            "$and": [
              {
                "$eq": [
                  "$sgscore", 0.5
                ]
              }, {
                "$lt": [
                  "$distpsnr1", 0.5
                ]
              }, {
                "$or": [
                  {
                    "$lt": [
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                    ]
                  }, {
                    "$lt": [
                      "$srmag", 17
                    ]
                  }, {
                    "$lt": [
                      "$simag", 17
                    ]
                  }
                ]
              }
            ]
          }
        ]
      },
      "variablesource": {
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          {
            "$and": [
              {
                "$lt": [
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                ]
              }, {
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                ]
              }, {
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                ]
              }
            ]
          }, {
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              {
                "$lt": [
                  "$distnr", 0.8
                ]
              }, {
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                ]
              }, {
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                ]
              }
            ]
          }, {
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              {
                "$lt": [
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                ]
              }, {
                "$lt": [
                  "$magnr", 15
                ]
              }, {
                "$gt": [
                  "$age", 90
                ]
              }
            ]
          }
        ]
      },
      "rock": {
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          {
            "$gte": [
              "$ssdistnr", 0
            ]
          }, {
            "$lt": [
              "$ssdistnr", 12
            ]
          }, {
            "$lt": [
              {
                "$abs": "$ssmagnr"
              }, 20
            ]
          }
        ]
      },
      "stationary": {
        "$anyElementTrue": {
          "$map": {
            "input": "$prv_candidates",
            "as": "cand",
            "in": {
              "$and": [
                {
                  "$gt": [
                    {
                      "$abs": {
                        "$subtract": [
                          "$t_now", "$$cand.jd"
                        ]
                      }
                    }, 0.02
                  ]
                }, {
                  "$lt": [
                    "$$cand.magpsf", 99
                  ]
                }, {
                  "$in": [
                    "$$cand.isdiffpos", [
                      1, "1", true, "t"
                    ]
                  ]
                }
              ]
            }
          }
        }
      }
    }
  }, {
    "$match": {
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      "bright": true,
      "nopointunderneath": true,
      "positivesubtraction": true,
      "real": true,
      "stationary": true,
      "brightstar": false,
      "rock": false
    }
  }, {
    "$project": {
      "objectId": 1,
      "annotations.jd": "$t_now",
      "annotations.magnitude": "$m_now",
      "annotations.sgscore": "$sgscore",
      "annotations.peakmag": "$peakmag",
      "annotations.atpeak": {
        "$eq": [
          "$m_now", "$peakmag"
        ]
      },
      "annotations.age": "$age",
      "annotations.drb": "$drbscore"
    }
  }
]