MOA 2022-BLG-491

Event Parameters

Internal ID:gb17-R-5-125224
Discovery date:2022-09-09T19:33:38
RA:18:10:56.27
Dec:-28:07:15.39
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
124086 18:10:56.12 -28:07:11.92 18.92 ± 0.18 4.07
124205 18:10:56.31 -28:07:14.68 14.92 ± 0.06 0.17
124286 18:10:56.47 -28:07:13.41 16.71 ± 0.15 2.64
124370 18:10:56.62 -28:07:15.99 16.88 ± 0.23 4.31

Last 5 photometry measurements

Observation dateI magseeing
2460536.973 (2024-Aug-14.473) 14.94 ± 0.03 3.47
2460537.010 (2024-Aug-14.510) 14.89 ± 0.01 3.03
2460537.047 (2024-Aug-14.547) 15.00 ± 0.06 4.31
2460537.082 (2024-Aug-14.582) 15.05 ± 0.07 4.45
2460537.119 (2024-Aug-14.619) 15.34 ± 0.25 5.26

Calibration: I = 27.40 - 2.5 log10(ΔF + 97903.90)

Single lens fit parameters

tmax =JD 2459832.22 ± 0.03 UT (2022-Sep-9.72)
tE =1.11 ± 2.25 days
u0 =5.0032 ± 3.7311
Ibase =9.86 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice