MOA 2022-BLG-449

Event Parameters

Internal ID:gb13-R-7-39112
Discovery date:2022-08-13T16:49:48
RA:18:07:26.00
Dec:-29:38:58.33
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
135644 18:07:26.17 -29:38:55.26 19.54 ± 0.33 4.82
135813 18:07:25.87 -29:38:59.22 17.64 ± 0.08 1.12
135814 18:07:25.83 -29:39:01.12 18.51 ± 0.13 2.82
135928 18:07:25.64 -29:38:57.80 18.64 ± 0.12 4.38

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 17.35 ± 0.09 3.34
2460245.920 (2023-Oct-28.420) 17.39 ± 0.13 3.52
2460246.857 (2023-Oct-29.357) 17.49 ± 0.11 3.58
2460246.890 (2023-Oct-29.390) 17.53 ± 0.12 3.54
2460246.924 (2023-Oct-29.424) 17.69 ± 0.18 3.82

Calibration: I = 27.40 - 2.5 log10(ΔF + 8016.78)

Single lens fit parameters

tmax =JD 2459806.82 ± 0.05 UT (2022-Aug-15.32)
tE =7.92 ± 0.40 days
u0 =0.0867 ± 0.0153
Ibase =19.49 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice