MOA 2020-BLG-175

Event Parameters

Internal ID:gb2-R-4-19357
Discovery date:2020-07-23T20:50:12
RA:17:52:17.01
Dec:-34:49:05.16
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
138301 17:52:16.75 -34:49:05.51 15.99 ± 0.04 4.02
138400 17:52:16.94 -34:49:03.34 17.82 ± 0.09 1.97
138455 17:52:17.00 -34:49:08.03 16.95 ± 0.11 3.66
138456 17:52:17.01 -34:49:01.08 16.34 ± 0.06 3.67
138527 17:52:17.18 -34:49:03.20 18.94 ± 0.22 2.11
138552 17:52:17.21 -34:49:07.05 17.68 ± 0.17 3.19
138572 17:52:17.26 -34:49:00.97 17.68 ± 0.10 4.54

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 99.99 ± 99.99 3.45
2460246.904 (2023-Oct-29.404) 20.25 ± 0.88 3.10
2460246.932 (2023-Oct-29.432) 99.99 ± 99.99 3.75
2460246.936 (2023-Oct-29.436) 21.28 ± 3.03 3.57
2460246.939 (2023-Oct-29.439) 99.99 ± 99.99 3.62

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

Single lens fit parameters

tmax =JD 2459055.23 ± 0.00 UT (2020-Jul-24.73)
tE =11.59 ± 0.32 days
u0 =0.0489 ± 0.0016
Ibase =19.00 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice