MOA 2020-BLG-247

Event Parameters

Internal ID:gb4-R-4-36046
Discovery date:2020-09-06T19:50:07
RA:17:51:27.53
Dec:-31:23:59.14
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
8930 17:51:27.50 -31:24:01.97 18.15 ± 0.06 3.74
8967 17:51:27.66 -31:23:58.67 17.00 ± 0.04 1.05
9010 17:51:27.81 -31:23:55.15 17.94 ± 0.04 4.73

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 17.07 ± 0.06 3.53
2460246.898 (2023-Oct-29.398) 16.93 ± 0.06 3.31
2460246.909 (2023-Oct-29.409) 16.95 ± 0.06 3.42
2460246.920 (2023-Oct-29.420) 17.03 ± 0.06 3.77
2460246.929 (2023-Oct-29.429) 17.01 ± 0.09 3.64

Calibration: I = 27.40 - 2.5 log10(ΔF + 14427.80)

Single lens fit parameters

tmax =JD 2459099.47 ± 0.02 UT (2020-Sep-6.97)
tE =53.15 ± 2.64 days
u0 =0.0288 ± 0.0019
Ibase =20.51 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice