MOA 2022-BLG-516

Event Parameters

Internal ID:gb8-R-2-50849
Discovery date:2022-09-16T13:22:20
RA:17:59:57.42
Dec:-30:29:41.60
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
84667 17:59:57.22 -30:29:38.89 17.25 ± 0.08 4.02
84711 17:59:57.37 -30:29:44.97 17.13 ± 0.07 4.31
84740 17:59:57.46 -30:29:41.20 17.66 ± 0.07 0.24
84782 17:59:57.58 -30:29:38.05 15.51 ± 0.07 3.42
84811 17:59:57.69 -30:29:43.34 16.80 ± 0.10 3.79
84824 17:59:57.71 -30:29:37.46 16.89 ± 0.06 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 17.65 ± 0.05 3.38
2460245.921 (2023-Oct-28.421) 17.51 ± 0.05 3.54
2460246.858 (2023-Oct-29.358) 17.74 ± 0.06 3.53
2460246.891 (2023-Oct-29.391) 17.55 ± 0.05 3.55
2460246.925 (2023-Oct-29.425) 17.57 ± 0.27 2.67

Calibration: I = 27.40 - 2.5 log10(ΔF + 7841.52)

Single lens fit parameters

tmax =JD 2459847.14 ± 0.04 UT (2022-Sep-24.64)
tE =13.21 ± 1.22 days
u0 =0.5282 ± 0.0860
Ibase =16.27 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice