MOA 2017-BLG-240

Event Parameters

Internal ID:gb14-R-5-67813
Discovery date:2017-05-07T19:07:01
RA:18:05:01.69
Dec:-28:03:57.88
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
146842 18:05:01.59 -28:04:00.21 18.47 ± 0.27 3.71
146920 18:05:01.70 -28:03:57.19 16.18 ± 0.05 0.55
146968 18:05:01.79 -28:03:53.09 16.79 ± 0.07 4.49
147067 18:05:02.01 -28:03:56.70 17.57 ± 0.21 3.87

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 16.05 ± 0.03 3.55
2460246.889 (2023-Oct-29.389) 16.10 ± 0.03 3.75
2460246.901 (2023-Oct-29.401) 16.06 ± 0.03 3.14
2460246.911 (2023-Oct-29.411) 16.10 ± 0.03 3.63
2460246.923 (2023-Oct-29.423) 16.12 ± 0.04 3.90

Calibration: I = 27.40 - 2.5 log10(ΔF + 30789.31)

Single lens fit parameters

tmax =JD 2457962.25 ± 0.09 UT (2017-Jul-27.75)
tE =15.14 ± 0.03 days
u0 =4.7652 ± 0.0016
Ibase =11.00 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice