MOA 2020-BLG-170

Event Parameters

Internal ID:gb5-R-9-149358
Discovery date:2020-07-17T20:20:47
RA:17:55:12.73
Dec:-28:48:31.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
50169 17:55:12.85 -28:48:32.36 16.77 ± 0.07 2.28
50184 17:55:12.81 -28:48:28.53 19.06 ± 0.26 4.11
50248 17:55:12.70 -28:48:34.18 18.42 ± 0.12 2.18
50285 17:55:12.57 -28:48:33.08 17.17 ± 0.07 1.87
50304 17:55:12.56 -28:48:30.45 16.16 ± 0.10 2.39
50328 17:55:12.51 -28:48:28.62 18.48 ± 0.16 4.32

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 20.48 ± 2.93 3.74
2460246.883 (2023-Oct-29.383) 19.11 ± 0.73 3.60
2460246.895 (2023-Oct-29.395) 19.13 ± 0.70 3.39
2460246.905 (2023-Oct-29.405) 99.99 ± 99.99 3.48
2460246.917 (2023-Oct-29.417) 18.85 ± 0.51 3.48

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

Single lens fit parameters

tmax =JD 2459051.06 ± 0.04 UT (2020-Jul-20.56)
tE =25.17 ± 1.45 days
u0 =0.2299 ± 0.0173
Ibase =19.07 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice