MOA 2019-BLG-251

Event Parameters

Internal ID:gb13-R-8-22263
Discovery date:2019-06-05T19:09:19
RA:18:06:38.54
Dec:-29:16:23.20
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
158458 18:06:38.55 -29:16:20.28 16.48 ± 0.24 3.70
158522 18:06:38.42 -29:16:22.58 18.30 ± 0.25 1.58
158536 18:06:38.35 -29:16:27.32 19.38 ± 0.22 4.11
158567 18:06:38.30 -29:16:26.11 18.70 ± 0.10 3.55
158589 18:06:38.25 -29:16:20.15 17.12 ± 0.04 5.00

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 99.99 ± 99.99 3.28
2460245.920 (2023-Oct-28.420) 99.99 ± 99.99 3.53
2460246.857 (2023-Oct-29.357) 99.99 ± 99.99 3.57
2460246.890 (2023-Oct-29.390) 99.99 ± 99.99 3.53
2460246.924 (2023-Oct-29.424) 99.99 ± 99.99 3.66

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

Single lens fit parameters

tmax =JD 2458643.56 ± 0.07 UT (2019-Jun-9.06)
tE =19.07 ± 1.54 days
u0 =0.4274 ± 0.0430
Ibase =18.55 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice