MOA 2023-BLG-117

Event Parameters

Internal ID:gb21-R-8-4729
Discovery date:2023-04-14T19:48:21
RA:18:19:12.10
Dec:-21:57:16.35
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
58387 18:19:12.31 -21:57:15.59 18.28 ± 0.06 3.94
58466 18:19:12.15 -21:57:18.69 17.52 ± 0.06 2.26
58549 18:19:12.06 -21:57:16.31 17.71 ± 0.06 0.65
58550 18:19:12.02 -21:57:21.21 17.65 ± 0.07 4.44
58573 18:19:11.99 -21:57:12.28 18.51 ± 0.06 4.92
58596 18:19:11.95 -21:57:19.45 15.67 ± 0.03 3.04

Last 5 photometry measurements

Observation dateI magseeing
2460237.941 (2023-Oct-20.441) 17.33 ± 0.13 3.51
2460239.941 (2023-Oct-22.441) 17.77 ± 0.20 3.77
2460244.875 (2023-Oct-27.375) 17.97 ± 0.15 3.53
2460245.870 (2023-Oct-28.370) 17.76 ± 0.12 3.01
2460246.869 (2023-Oct-29.369) 17.87 ± 0.13 3.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 7516.23)

Single lens fit parameters

tmax =JD 2460052.69 ± 0.06 UT (2023-Apr-18.19)
tE =1.31 ± 1.59 days
u0 =11.1912 ± 6.2730
Ibase =6.84 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice