MOA 2023-BLG-253

Event Parameters

Internal ID:gb2-R-6-13852
Discovery date:2023-06-09T00:05:02
RA:17:55:27.17
Dec:-35:20:29.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
112117 17:55:27.38 -35:20:33.34 18.32 ± 0.11 4.67
112237 17:55:27.10 -35:20:33.48 18.29 ± 0.09 3.47
112253 17:55:27.09 -35:20:30.07 15.92 ± 0.03 0.47
112269 17:55:27.02 -35:20:27.35 17.49 ± 0.08 3.30
112345 17:55:26.84 -35:20:28.54 16.72 ± 0.05 4.03
112346 17:55:26.83 -35:20:31.92 18.25 ± 0.09 4.12

Last 5 photometry measurements

Observation dateI magseeing
2460610.938 (2024-Oct-27.438) 15.00 ± 0.02 4.79
2460611.892 (2024-Oct-28.392) 15.03 ± 0.01 4.37
2460611.927 (2024-Oct-28.427) 15.19 ± 0.03 5.46
2460611.935 (2024-Oct-28.435) 15.01 ± 0.01 5.22
2460614.886 (2024-Oct-31.386) 15.05 ± 0.02 5.31

Calibration: I = 27.40 - 2.5 log10(ΔF + 39156.15)

Single lens fit parameters

tmax =JD 2460308.32 ± 0.62 UT (2023-Dec-29.82)
tE =444580.12 ± 295554.51 days
u0 =0.0001 ± 0.0002
Ibase =25.88 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice