MOA 2018-BLG-220

Event Parameters

Internal ID:gb9-R-2-171874
Discovery date:2018-07-03T12:15:50
RA:17:57:08.59
Dec:-28:56:19.65
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
2157 17:57:08.36 -28:56:18.10 17.32 ± 0.10 3.99
2209 17:57:08.64 -28:56:17.41 15.89 ± 0.06 1.72
2238 17:57:08.75 -28:56:20.75 16.64 ± 0.09 2.36
2267 17:57:08.89 -28:56:22.51 14.88 ± 0.03 4.97

Last 5 photometry measurements

Observation dateI magseeing
2460478.090 (2024-Jun-16.590) 19.15 ± 0.22 4.00
2460478.104 (2024-Jun-16.604) 19.04 ± 0.19 4.00
2460478.115 (2024-Jun-16.615) 19.34 ± 0.17 3.12
2460478.126 (2024-Jun-16.626) 19.00 ± 0.15 3.46
2460478.138 (2024-Jun-16.638) 19.82 ± 0.40 3.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458304.91 ± 0.03 UT (2018-Jul-5.41)
tE =13.49 ± 1.16 days
u0 =0.0533 ± 0.0081
Ibase =19.09 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice