MOA 2023-BLG-197

Event Parameters

Internal ID:gb3-R-10-45022
Discovery date:2023-05-15T19:09:40
RA:17:55:05.03
Dec:-32:02:49.27
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
115830 17:55:05.02 -32:02:53.77 17.30 ± 0.06 4.14
115843 17:55:04.97 -32:02:49.96 16.70 ± 0.09 0.26

Last 5 photometry measurements

Observation dateI magseeing
2460611.900 (2024-Oct-28.400) 16.74 ± 0.04 4.58
2460611.912 (2024-Oct-28.412) 16.83 ± 0.10 5.38
2460611.923 (2024-Oct-28.423) 16.89 ± 0.09 5.34
2460611.931 (2024-Oct-28.431) 16.60 ± 0.04 4.61
2460614.876 (2024-Oct-31.376) 16.80 ± 0.10 5.13

Calibration: I = 27.40 - 2.5 log10(ΔF + 19037.07)

Single lens fit parameters

tmax =JD 2460085.34 ± 0.04 UT (2023-May-20.84)
tE =64.46 ± 2.72 days
u0 =0.0906 ± 0.0049
Ibase =19.99 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice