MOA 2022-BLG-397

Event Parameters

Internal ID:gb7-R-5-39406
Discovery date:2022-07-21T09:11:36
RA:17:58:30.24
Dec:-33:31:38.23
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
37515 17:58:30.08 -33:31:34.63 17.37 ± 0.05 4.15
37547 17:58:30.16 -33:31:37.39 17.84 ± 0.07 1.64
37567 17:58:30.21 -33:31:41.50 18.55 ± 0.07 4.22
37635 17:58:30.43 -33:31:39.68 18.12 ± 0.05 2.83
37728 17:58:30.61 -33:31:37.65 18.72 ± 0.09 4.26

Last 5 photometry measurements

Observation dateI magseeing
2460536.909 (2024-Aug-14.409) 20.49 ± 1.69 2.52
2460536.984 (2024-Aug-14.484) 20.53 ± 1.42 3.07
2460537.004 (2024-Aug-14.504) 20.95 ± 1.93 2.98
2460537.058 (2024-Aug-14.558) 20.60 ± 2.79 4.32
2460537.130 (2024-Aug-14.630) 99.99 ± 99.99 5.55

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459785.36 ± 0.02 UT (2022-Jul-24.86)
tE =70.82 ± 3.80 days
u0 =0.0256 ± 0.0016
Ibase =20.33 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice