Independent Distant Object SurveyA public search notebook

archival DECam · campaign log

Campaign 2026-11-08 11:59 — 11 field(s)

Source: campaign_v2.md. This preserves the run as logged, including incomplete entries and historical match labels.

cell4505: RA 15.074, Dec -0.001, MJD 57613–57645, 23 nights

complete log entry · Field history and current report

Nights
23
Injection recovery
3/4 planted objects
Campaign record (historical text)
- 118 exposures, median depth95 21.39 → magnitude cut 21.0
- sweep: reusing existing detections.parquet
- known distant objects in the data: 0
- hypotheses: 1527
- injection test:
  planted #0 mag 20.1 on 22 nights: RECOVERED 22/22 (spurious 0, r=65.1 AU)
    planted #1 mag 19.8 on 20 nights: RECOVERED 19/20 (spurious 0, r=62.3 AU)
    planted #2 mag 20.6 on 23 nights: RECOVERED 23/23 (spurious 0, r=69.5 AU)
    planted #3 mag 20.7 on 19 nights: missed 0/19 
  recovered 3/4 planted objects; 3 candidate(s) in total
- real search:
  no candidates

cell6761: RA 161.943, Dec 0.007, MJD 58070–58102, 22 nights

complete log entry · Field history and current report

Nights
22
Injection recovery
3/4 planted objects
Campaign record (historical text)
- 130 exposures, median depth95 21.09 → magnitude cut 20.7
- sweep: reusing existing detections.parquet
- known distant objects in the data: 0
- hypotheses: 28304
- injection test:
  planted #0 mag 20.3 on 21 nights: RECOVERED 21/21 (spurious 0, r=74.4 AU)
    planted #1 mag 20.5 on 19 nights: missed 0/19 
    planted #2 mag 20.0 on 21 nights: RECOVERED 20/21 (spurious 0, r=68.2 AU)
    planted #3 mag 18.7 on 20 nights: RECOVERED 20/20 (spurious 0, r=31.3 AU)
  recovered 3/4 planted objects; 3 candidate(s) in total
- real search:
  no candidates

cell6566: RA 186.75, Dec 0.001, MJD 57063–57095, 19 nights

complete log entry · Field history and current report

Nights
19
Injection recovery
3/4 planted objects
Campaign record (historical text)
- 120 exposures, median depth95 22.30 → magnitude cut 21.9
- sweep: reusing existing detections.parquet
- known distant objects in the data: 0
- hypotheses: 10428
- injection test:
  planted #0 mag 20.0 on 19 nights: RECOVERED 19/19 (spurious 0, r=49.7 AU)
    planted #1 mag 20.0 on 17 nights: missed 0/17 
    planted #2 mag 20.6 on 18 nights: RECOVERED 18/18 (spurious 0, r=66.8 AU)
    planted #3 mag 20.2 on 18 nights: RECOVERED 18/18 (spurious 0, r=76.2 AU)
  recovered 3/4 planted objects; 3 candidate(s) in total
- real search:
  no candidates

cell4710: RA 344.973, Dec -0.008, MJD 56638–56670, 18 nights

complete log entry · Field history and current report

Nights
18
Injection recovery
3/4 planted objects
Campaign record (historical text)
- 91 exposures, median depth95 22.97 → magnitude cut 22.5
- sweep: reusing existing detections.parquet
- known distant objects in the data: 0
- hypotheses: 12599
- injection test:
  planted #0 mag 21.2 on 17 nights: missed 0/17 
    planted #1 mag 21.1 on 17 nights: RECOVERED 17/17 (spurious 0, r=32.8 AU)
    planted #2 mag 21.3 on 16 nights: RECOVERED 16/16 (spurious 0, r=30.6 AU)
    planted #3 mag 21.3 on 16 nights: RECOVERED 16/16 (spurious 0, r=38.4 AU)
  recovered 3/4 planted objects; 3 candidate(s) in total
- real search:
  no candidates

cell4351: RA 359.99, Dec -0.195, MJD 58110–58142, 17 nights

incomplete / interrupted log entry · Field history and current report

Nights
17
Injection recovery
3/4 planted objects
Campaign record (historical text)
- 85 exposures, median depth95 20.60 → magnitude cut 20.2
- sweep: reusing existing detections.parquet
- known distant objects in the data: 0
- hypotheses: 201222
- injection test:
  planted #0 mag 18.6 on 15 nights: missed 0/15 
    planted #1 mag 19.5 on 16 nights: RECOVERED 16/16 (spurious 0, r=46.4 AU)
    planted #2 mag 18.5 on 14 nights: RECOVERED 14/14 (spurious 0, r=53.2 AU)
    planted #3 mag 19.5 on 15 nights: RECOVERED 15/15 (spurious 0, r=39.4 AU)
  recovered 3/4 planted objects; 3 candidate(s) in total