MOA 2023-BLG-040

Event Parameters

Internal ID:gb1-R-4-43250
Discovery date:2023-03-06T12:25:39
RA:17:44:36.51
Dec:-34:32:43.46
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
104606 17:44:36.30 -34:32:40.76 17.77 ± 0.14 4.00
104652 17:44:36.42 -34:32:45.52 15.00 ± 0.12 3.25
104714 17:44:36.56 -34:32:42.59 16.30 ± 0.04 0.31

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 16.10 ± 0.05 3.78
2460245.937 (2023-Oct-28.437) 16.15 ± 0.04 3.67
2460246.859 (2023-Oct-29.359) 16.14 ± 0.04 3.65
2460246.892 (2023-Oct-29.392) 16.16 ± 0.04 3.62
2460246.926 (2023-Oct-29.426) 16.04 ± 0.04 3.72

Calibration: I = 27.40 - 2.5 log10(ΔF + 27491.60)

Single lens fit parameters

tmax =JD 2460012.84 ± 0.05 UT (2023-Mar-9.34)
tE =7.36 ± 0.52 days
u0 =0.7145 ± 0.0861
Ibase =16.34 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice