MOA 2018-BLG-340

Event Parameters

Internal ID:gb3-R-7-30675
Discovery date:2018-08-27T10:54:40
RA:17:56:27.67
Dec:-33:01:33.45
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
20868 17:56:27.92 -33:01:32.74 17.10 ± 0.12 4.14
20973 17:56:27.69 -33:01:37.50 15.77 ± 0.09 3.71
20993 17:56:27.65 -33:01:30.59 18.70 ± 0.12 3.60
20994 17:56:27.65 -33:01:34.05 14.64 ± 0.02 0.38

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 14.60 ± 0.02 3.08
2460246.910 (2023-Oct-29.410) 14.59 ± 0.03 3.42
2460246.922 (2023-Oct-29.422) 14.61 ± 0.03 3.76
2460246.930 (2023-Oct-29.430) 14.58 ± 0.02 3.64
2460246.933 (2023-Oct-29.433) 14.53 ± 0.04 3.38

Calibration: I = 27.40 - 2.5 log10(ΔF + 127174.49)

Single lens fit parameters

tmax =JD 2458401.32 ± 0.00 UT (2018-Oct-9.82)
tE =22.70 ± 0.03 days
u0 =0.2189 ± 0.0005
Ibase =13.90 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice