MOA 2022-BLG-258

Event Parameters

Internal ID:gb17-R-9-30806
Discovery date:2022-05-23T20:13:07
RA:18:14:52.50
Dec:-27:02:52.80
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
5233 18:14:52.48 -27:02:52.17 16.70 ± 0.04 1.33
5271 18:14:52.39 -27:02:49.14 17.80 ± 0.05 4.53
5315 18:14:52.30 -27:02:57.27 18.36 ± 0.12 4.65
5356 18:14:52.22 -27:02:54.70 18.76 ± 0.14 3.56

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 16.72 ± 0.07 3.27
2460245.931 (2023-Oct-28.431) 16.66 ± 0.12 3.40
2460246.862 (2023-Oct-29.362) 16.59 ± 0.06 3.63
2460246.903 (2023-Oct-29.403) 16.65 ± 0.08 3.40
2460246.931 (2023-Oct-29.431) 16.65 ± 0.12 3.88

Calibration: I = 27.40 - 2.5 log10(ΔF + 19142.56)

Single lens fit parameters

tmax =JD 2459720.81 ± 0.06 UT (2022-May-21.31)
tE =20.33 ± 1.85 days
u0 =0.0951 ± 0.0103
Ibase =19.93 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice