MOA 2021-BLG-288

Event Parameters

Internal ID:gb15-R-8-23899
Discovery date:2021-07-27T17:02:16
RA:18:08:38.79
Dec:-25:51:14.44
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
113949 18:08:38.99 -25:51:17.61 17.35 ± 0.09 4.28
113973 18:08:38.94 -25:51:11.99 19.59 ± 0.15 4.11
114025 18:08:38.85 -25:51:14.65 18.65 ± 0.12 1.53
114135 18:08:38.68 -25:51:10.54 16.19 ± 0.11 4.76
114182 18:08:38.59 -25:51:12.42 16.41 ± 0.08 3.57
114183 18:08:38.61 -25:51:16.37 17.86 ± 0.10 2.40
114249 18:08:38.47 -25:51:15.16 18.91 ± 0.12 4.00

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 99.99 ± 99.99 3.65
2460245.866 (2023-Oct-28.366) 99.99 ± 99.99 3.34
2460245.909 (2023-Oct-28.409) 19.72 ± 0.70 3.37
2460246.865 (2023-Oct-29.365) 19.58 ± 0.54 3.45
2460246.912 (2023-Oct-29.412) 21.77 ± 5.12 3.50

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

Single lens fit parameters

tmax =JD 2459424.70 ± 0.02 UT (2021-Jul-29.20)
tE =110.77 ± 21.84 days
u0 =0.0227 ± 0.0059
Ibase =21.34 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice