MOA 2023-BLG-137

Event Parameters

Internal ID:gb3-R-3-41172
Discovery date:2023-04-22T21:11:57
RA:17:52:36.95
Dec:-32:54:07.82
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
44679 17:52:36.73 -32:54:06.34 18.46 ± 0.13 3.55
44754 17:52:36.87 -32:54:05.39 19.73 ± 0.29 2.52
44755 17:52:36.86 -32:54:02.85 19.23 ± 0.18 4.87
44819 17:52:37.04 -32:54:07.88 20.07 ± 0.46 0.86
44894 17:52:37.16 -32:54:05.92 17.06 ± 0.07 2.58
44934 17:52:37.28 -32:54:09.75 18.98 ± 0.29 4.49

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 19.98 ± 0.84 2.88
2460246.910 (2023-Oct-29.410) 19.20 ± 0.45 3.33
2460246.922 (2023-Oct-29.422) 18.74 ± 0.52 3.67
2460246.930 (2023-Oct-29.430) 20.28 ± 1.89 3.64
2460246.933 (2023-Oct-29.433) 99.99 ± 99.99 3.82

Calibration: I = 27.40 - 2.5 log10(ΔF + 851.14)

Single lens fit parameters

tmax =JD 2460058.15 ± 0.01 UT (2023-Apr-23.65)
tE =7.16 ± 0.43 days
u0 =0.0537 ± 0.0041
Ibase =19.36 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice