MOA 2023-BLG-138

Event Parameters

Internal ID:gb4-R-3-93913
Discovery date:2023-04-22T21:12:04
RA:17:51:22.43
Dec:-31:03:44.68
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
9515 17:51:22.29 -31:03:42.40 16.88 ± 0.05 3.06
9650 17:51:22.60 -31:03:43.10 17.51 ± 0.07 1.98

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 18.98 ± 0.40 4.50
2460611.911 (2024-Oct-28.411) 19.54 ± 0.74 4.66
2460611.921 (2024-Oct-28.421) 19.56 ± 1.12 5.10
2460611.930 (2024-Oct-28.430) 18.69 ± 0.31 4.60
2460614.875 (2024-Oct-31.375) 19.21 ± 0.68 5.03

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460053.81 ± 0.04 UT (2023-Apr-19.31)
tE =34.49 ± 2.24 days
u0 =0.1472 ± 0.0129
Ibase =20.08 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice