MOA 2021-BLG-027

Event Parameters

Internal ID:gb21-R-5-8404
Discovery date:2021-03-13T20:14:06
RA:18:16:22.93
Dec:-22:35:03.76
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
109062 18:16:22.72 -22:35:03.55 16.75 ± 0.02 3.63
109131 18:16:22.87 -22:35:01.24 18.45 ± 0.10 2.52
109132 18:16:22.84 -22:34:59.39 19.25 ± 0.11 4.38
109188 18:16:22.95 -22:35:03.08 18.43 ± 0.06 0.37
109275 18:16:23.13 -22:35:03.75 17.76 ± 0.04 2.35

Last 5 photometry measurements

Observation dateI magseeing
2460237.941 (2023-Oct-20.441) 18.22 ± 0.30 3.58
2460239.941 (2023-Oct-22.441) 18.61 ± 0.26 3.77
2460244.875 (2023-Oct-27.375) 18.52 ± 0.21 3.95
2460245.870 (2023-Oct-28.370) 18.41 ± 0.17 3.29
2460246.869 (2023-Oct-29.369) 18.59 ± 0.18 3.63

Calibration: I = 27.40 - 2.5 log10(ΔF + 3879.72)

Single lens fit parameters

tmax =JD 2459283.59 ± 0.02 UT (2021-Mar-10.09)
tE =106.44 ± 0.09 days
u0 =0.0055 ± 0.0104
Ibase =20.95 ± 0.10

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice