MOA 2022-BLG-171

Event Parameters

Internal ID:gb16-R-7-14880
Discovery date:2022-04-14T17:58:27
RA:18:13:21.62
Dec:-29:37:29.84
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
148289 18:13:21.74 -29:37:27.49 18.75 ± 0.11 3.75
148290 18:13:21.74 -29:37:33.37 18.76 ± 0.13 3.74
148307 18:13:21.68 -29:37:30.19 18.44 ± 0.12 1.37
148337 18:13:21.67 -29:37:26.28 19.45 ± 0.21 4.49
148441 18:13:21.46 -29:37:31.14 15.94 ± 0.09 1.72
148487 18:13:21.39 -29:37:27.35 18.21 ± 0.10 4.07
148557 18:13:21.26 -29:37:31.29 17.02 ± 0.17 4.38

Last 5 photometry measurements

Observation dateI magseeing
2460536.835 (2024-Aug-14.335) 18.18 ± 0.14 3.44
2460536.908 (2024-Aug-14.408) 17.88 ± 0.08 2.43
2460536.983 (2024-Aug-14.483) 18.10 ± 0.14 3.14
2460537.057 (2024-Aug-14.557) 18.69 ± 0.52 4.42
2460537.129 (2024-Aug-14.629) 20.01 ± 7.81 5.57

Calibration: I = 27.40 - 2.5 log10(ΔF + 3844.15)

Single lens fit parameters

tmax =JD 2459685.11 ± 0.04 UT (2022-Apr-15.61)
tE =65.79 ± 18.93 days
u0 =0.0222 ± 0.0107
Ibase =21.71 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice