MOA 2021-BLG-239

Event Parameters

Internal ID:gb8-R-5-26421
Discovery date:2021-07-10T12:14:06
RA:17:59:18.00
Dec:-31:37:01.93
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
101526 17:59:17.95 -31:37:00.29 17.12 ± 0.06 1.64
101549 17:59:18.08 -31:37:05.32 17.90 ± 0.09 4.18
101594 17:59:18.20 -31:36:57.38 18.03 ± 0.10 4.65
101620 17:59:18.25 -31:37:05.04 18.36 ± 0.10 4.74
101621 17:59:18.27 -31:36:59.76 18.21 ± 0.07 3.39

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 99.99 ± 99.99 3.41
2460245.921 (2023-Oct-28.421) 99.99 ± 99.99 3.53
2460246.858 (2023-Oct-29.358) 99.99 ± 99.99 3.60
2460246.891 (2023-Oct-29.391) 25.73 ± 136.69 3.63
2460246.925 (2023-Oct-29.425) 99.99 ± 99.99 3.45

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

Single lens fit parameters

tmax =JD 2459407.45 ± 0.01 UT (2021-Jul-11.95)
tE =83.58 ± 11.68 days
u0 =0.0155 ± 0.0025
Ibase =21.90 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice