MOA 2021-BLG-231

Event Parameters

Internal ID:gb14-R-5-104086
Discovery date:2021-07-08T17:30:15
RA:18:04:00.03
Dec:-28:08:21.22
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
113880 18:03:59.86 -28:08:23.24 16.41 ± 0.09 4.03
113903 18:03:59.94 -28:08:19.89 13.41 ± 0.07 1.94
114034 18:04:00.19 -28:08:17.26 16.43 ± 0.07 3.93
114083 18:04:00.25 -28:08:21.00 17.73 ± 0.10 2.56
114169 18:04:00.41 -28:08:20.94 17.45 ± 0.09 4.76

Last 5 photometry measurements

Observation dateI magseeing
2460611.889 (2024-Oct-28.389) 17.73 ± 0.57 4.87
2460611.902 (2024-Oct-28.402) 99.99 ± 99.99 4.07
2460611.913 (2024-Oct-28.413) 16.74 ± 0.50 5.41
2460611.924 (2024-Oct-28.424) 99.99 ± 99.99 5.19
2460614.877 (2024-Oct-31.377) 17.01 ± 0.47 5.22

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

Single lens fit parameters

tmax =JD 2459403.47 ± 0.07 UT (2021-Jul-7.97)
tE =2.67 ± 0.75 days
u0 =0.0026 ± 0.0403
Ibase =99.99 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice