MOA 2021-BLG-371

Event Parameters

Internal ID:gb7-R-10-14827
Discovery date:2021-09-02T17:34:38
RA:18:02:19.69
Dec:-31:58:52.34
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
17618 18:02:19.78 -31:58:54.79 18.61 ± 0.09 2.63
17634 18:02:19.73 -31:58:52.86 18.13 ± 0.07 1.18
17713 18:02:19.52 -31:58:48.98 16.31 ± 0.02 4.47
17714 18:02:19.51 -31:58:54.45 17.22 ± 0.04 2.51
17725 18:02:19.49 -31:58:56.28 19.16 ± 0.26 4.19

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 18.89 ± 0.66 3.58
2460245.940 (2023-Oct-28.440) 17.93 ± 0.36 3.71
2460246.867 (2023-Oct-29.367) 18.58 ± 0.30 3.76
2460246.915 (2023-Oct-29.415) 19.08 ± 0.71 3.44
2460246.938 (2023-Oct-29.438) 20.20 ± 3.39 4.19

Calibration: I = 27.40 - 2.5 log10(ΔF + 5100.35)

Single lens fit parameters

tmax =JD 2459464.08 ± 0.15 UT (2021-Sep-6.58)
tE =72.36 ± 7.26 days
u0 =0.1003 ± 0.0159
Ibase =20.25 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice