MOA 2020-BLG-157

Event Parameters

Internal ID:gb10-R-7-122389
Discovery date:2020-07-17T12:46:52
RA:18:00:26.71
Dec:-27:59:12.48
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
191134 18:00:27.00 -27:59:14.17 19.27 ± 0.33 4.74
191207 18:00:26.84 -27:59:14.14 19.15 ± 0.26 2.65
191242 18:00:26.79 -27:59:11.65 18.59 ± 0.21 2.26
191397 18:00:26.50 -27:59:08.89 19.48 ± 0.27 4.89
191455 18:00:26.46 -27:59:14.98 16.15 ± 0.07 3.39
191492 18:00:26.39 -27:59:11.96 15.98 ± 0.16 3.88

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 99.99 ± 99.99 3.41
2460246.886 (2023-Oct-29.386) 99.99 ± 99.99 3.55
2460246.897 (2023-Oct-29.397) 99.99 ± 99.99 2.99
2460246.908 (2023-Oct-29.408) 99.99 ± 99.99 3.41
2460246.919 (2023-Oct-29.419) 99.99 ± 99.99 4.06

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

Single lens fit parameters

tmax =JD 2459046.19 ± 0.10 UT (2020-Jul-15.69)
tE =37.06 ± 3.61 days
u0 =0.5300 ± 0.0669
Ibase =18.26 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice