MOA 2017-BLG-202

Event Parameters

Internal ID:gb5-R-9-120302
Discovery date:2017-04-23T15:42:25
RA:17:54:09.15
Dec:-28:59:12.47
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
165682 17:54:09.29 -28:59:16.62 17.56 ± 0.09 4.42
165704 17:54:09.23 -28:59:13.70 18.08 ± 0.28 1.81
165804 17:54:09.06 -28:59:08.39 16.39 ± 0.12 4.88
165805 17:54:09.09 -28:59:12.39 16.65 ± 0.19 0.73

Last 5 photometry measurements

Observation dateI magseeing
2460518.906 (2024-Jul-27.406) 16.60 ± 0.07 2.88
2460518.917 (2024-Jul-27.417) 16.61 ± 0.06 3.37
2460518.928 (2024-Jul-27.428) 16.67 ± 0.34 2.42
2460519.044 (2024-Jul-27.544) 16.64 ± 0.04 2.89
2460519.047 (2024-Jul-27.547) 16.69 ± 0.06 2.95

Calibration: I = 27.40 - 2.5 log10(ΔF + 20007.83)

Single lens fit parameters

tmax =JD 2457867.21 ± 0.02 UT (2017-Apr-23.71)
tE =7.65 ± 0.74 days
u0 =0.1777 ± 0.0188
Ibase =19.30 ± 0.33

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice