MOA 2022-BLG-499

Event Parameters

Internal ID:gb14-R-4-109191
Discovery date:2022-09-10T16:05:22
RA:18:03:09.08
Dec:-27:43:18.02
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
110961 18:03:09.00 -27:43:19.84 17.79 ± 0.07 3.08
111016 18:03:09.13 -27:43:20.19 18.23 ± 0.16 2.85
111017 18:03:09.11 -27:43:15.03 16.75 ± 0.05 2.52
111123 18:03:09.35 -27:43:17.37 19.15 ± 0.19 3.05
111172 18:03:09.43 -27:43:19.11 19.55 ± 0.24 4.54
111199 18:03:09.42 -27:43:16.16 18.77 ± 0.13 4.25

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 19.95 ± 0.77 3.41
2460246.889 (2023-Oct-29.389) 99.99 ± 99.99 3.59
2460246.901 (2023-Oct-29.401) 20.93 ± 1.68 2.95
2460246.911 (2023-Oct-29.411) 19.09 ± 0.51 3.43
2460246.923 (2023-Oct-29.423) 99.99 ± 99.99 3.85

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

Single lens fit parameters

tmax =JD 2459833.13 ± 0.05 UT (2022-Sep-10.63)
tE =32.61 ± 1.96 days
u0 =0.3227 ± 0.0300
Ibase =19.23 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice