MOA 2021-BLG-315

Event Parameters

Internal ID:gb9-R-7-81823
Discovery date:2021-08-09T09:56:56
RA:18:02:28.32
Dec:-29:35:13.87
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
16133 18:02:28.49 -29:35:11.81 18.13 ± 0.08 3.92
16134 18:02:28.52 -29:35:16.68 17.91 ± 0.08 4.02
16206 18:02:28.32 -29:35:13.79 15.31 ± 0.09 0.92
16207 18:02:28.36 -29:35:16.85 17.34 ± 0.07 2.70
16228 18:02:28.30 -29:35:10.70 17.82 ± 0.08 3.91
16341 18:02:28.00 -29:35:14.30 15.35 ± 0.07 3.86

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 15.31 ± 0.03 3.59
2460246.896 (2023-Oct-29.396) 15.22 ± 0.03 3.29
2460246.906 (2023-Oct-29.406) 15.22 ± 0.03 3.45
2460246.918 (2023-Oct-29.418) 15.24 ± 0.03 3.59
2460246.927 (2023-Oct-29.427) 15.32 ± 0.04 3.59

Calibration: I = 27.40 - 2.5 log10(ΔF + 68422.67)

Single lens fit parameters

tmax =JD 2459436.58 ± 0.00 UT (2021-Aug-10.08)
tE =59.82 ± 5.69 days
u0 =0.0074 ± 0.0008
Ibase =21.43 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice