MOA 2023-BLG-313

Event Parameters

Internal ID:gb1-R-1-61996
Discovery date:2023-07-12T11:19:47
RA:17:45:58.11
Dec:-33:36:18.32
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
32637 17:45:57.79 -33:36:17.70 17.61 ± 0.06 4.85
32743 17:45:58.05 -33:36:21.97 17.14 ± 0.05 4.67
32744 17:45:58.09 -33:36:18.64 17.24 ± 0.07 1.33
32817 17:45:58.32 -33:36:15.78 17.47 ± 0.12 2.87

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 17.47 ± 0.16 4.09
2460245.937 (2023-Oct-28.437) 17.28 ± 0.13 4.01
2460246.859 (2023-Oct-29.359) 17.27 ± 0.09 4.01
2460246.892 (2023-Oct-29.392) 17.28 ± 0.10 3.94
2460246.926 (2023-Oct-29.426) 17.13 ± 0.09 3.97

Calibration: I = 27.40 - 2.5 log10(ΔF + 11577.11)

Single lens fit parameters

tmax =JD 2460139.09 ± 0.00 UT (2023-Jul-13.59)
tE =19.30 ± 0.88 days
u0 =0.0107 ± 0.0010
Ibase =19.75 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice