MOA 2022-BLG-227

Event Parameters

Internal ID:gb8-R-1-156092
Discovery date:2022-05-05T15:59:49
RA:17:59:30.75
Dec:-30:23:12.95
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
43050 17:59:30.59 -30:23:12.40 16.06 ± 0.02 2.79
43051 17:59:30.58 -30:23:08.90 17.02 ± 0.03 4.63
43084 17:59:30.67 -30:23:11.04 15.71 ± 0.02 2.22
43249 17:59:31.15 -30:23:11.64 18.68 ± 0.15 4.82

Last 5 photometry measurements

Observation dateI magseeing
2460536.995 (2024-Aug-14.495) 18.56 ± 0.22 2.50
2460537.035 (2024-Aug-14.535) 18.52 ± 0.26 3.10
2460537.070 (2024-Aug-14.570) 19.21 ± 0.68 4.15
2460537.107 (2024-Aug-14.607) 18.68 ± 0.92 5.13
2460537.137 (2024-Aug-14.637) 99.99 ± 99.99 5.48

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

Single lens fit parameters

tmax =JD 2459706.10 ± 0.00 UT (2022-May-6.60)
tE =1021.63 ± 705.79 days
u0 =0.0000 ± 0.0001
Ibase =25.54 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice