Independent Distant Object SurveyA public search notebook

Rubin / Lasair · field record

lasair_239.5_-13.0

known

Centre RA 239.500°, Dec -13.000°. Approximate footprint half-width 1.5°.

Latest substantive campaign entry

Detections
3,522
Nights
7
Stationary removed
0
Hypotheses
16,310
Injection recovery
4/4 planted objects

Lasair campaign 2026-11-08 22:08 — 14 field(s) · complete.

Recorded log text
- injection test (V ≤ 24.0):
  recovered 4/4 planted objects; 5 candidate(s) in total
- 3522 detections, 0 stationary removed, 7 nights; 2207 anchors × hypotheses = 16310; survivors per stage [80, 7]; 7.3s
  #1  [moderate] r= 30.40±0.482 AU  a= 56.99 e=0.521 i=10.95°  6 obs / 5 nights / 17 d  rms 0.04"  H=7.61, D≈80–200 km  [matches 2013 EV134]
- 20 s

On-disk search report

This report may describe a different rerun from the campaign log. Statistics are shown separately; curated findings supply reviewed identifications.

Detections
3,522
Nights
7
Exposures
23
Stationary removed
0
Hypotheses
16,310
Search seconds
7

Report candidates and identifications

Candidate #1 moderate

Known: 2013 EV134

Distance r
30.40 AU
Observations / nights
6 / 5
Dates
2026-05-22 – 2026-06-08 (MJD 61,182.2–61,199.2)
Arc
16.9 days
Radial rms
0.04″
Orbit fit
a = 56.99 AU; e = 0.521; i = 10.95°
Absolute magnitude H
7.61
Diameter estimate
80–200 km (albedo 0.25–0.04)

Campaign history