MOA 2017-BLG-409

Event Parameters

Internal ID:gb5-R-5-175150
Discovery date:2017-07-29T11:03:51
RA:17:52:36.67
Dec:-29:50:02.81
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
110951 17:52:36.57 -29:50:00.27 15.65 ± 0.13 2.88
111011 17:52:36.70 -29:50:03.59 16.90 ± 0.12 1.46
111080 17:52:36.90 -29:50:04.13 18.39 ± 0.31 3.18
111099 17:52:36.93 -29:49:59.35 16.67 ± 0.10 4.19

Last 5 photometry measurements

Observation dateI magseeing
2460518.906 (2024-Jul-27.406) 17.08 ± 0.10 3.16
2460518.917 (2024-Jul-27.417) 17.00 ± 0.09 3.23
2460518.928 (2024-Jul-27.428) 16.97 ± 0.29 2.73
2460519.044 (2024-Jul-27.544) 16.88 ± 0.05 3.10
2460519.047 (2024-Jul-27.547) 17.01 ± 0.07 3.19

Calibration: I = 27.40 - 2.5 log10(ΔF + 15834.34)

Single lens fit parameters

tmax =JD 2457965.01 ± 0.00 UT (2017-Jul-30.51)
tE =15.58 ± 0.56 days
u0 =0.0212 ± 0.0009
Ibase =19.98 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice