MOA 2023-BLG-099

Event Parameters

Internal ID:gb10-R-4-57315
Discovery date:2023-03-31T11:41:41
RA:17:57:06.10
Dec:-27:58:11.69
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
2324 17:57:05.98 -27:58:09.21 18.93 ± 0.12 3.06
2345 17:57:06.00 -27:58:14.64 16.36 ± 0.08 4.21
2373 17:57:06.13 -27:58:07.33 19.45 ± 0.21 3.96
2385 17:57:06.16 -27:58:10.95 17.65 ± 0.09 0.28
2462 17:57:06.31 -27:58:13.97 17.85 ± 0.08 3.78
2505 17:57:06.45 -27:58:11.23 17.10 ± 0.09 4.26

Last 5 photometry measurements

Observation dateI magseeing
2460611.898 (2024-Oct-28.398) 17.75 ± 0.13 4.66
2460611.910 (2024-Oct-28.410) 17.25 ± 0.15 5.32
2460611.920 (2024-Oct-28.420) 17.75 ± 0.20 5.23
2460614.864 (2024-Oct-31.364) 17.76 ± 0.40 5.61
2460614.874 (2024-Oct-31.374) 17.14 ± 0.18 5.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 7965.26)

Single lens fit parameters

tmax =JD 2460073.40 ± 0.02 UT (2023-May-8.90)
tE =51.36 ± 0.30 days
u0 =0.2737 ± 0.0019
Ibase =17.78 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice