MOA 2021-BLG-071

Event Parameters

Internal ID:gb4-R-9-80512
Discovery date:2021-04-07T18:29:13
RA:17:54:50.81
Dec:-30:46:13.91
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
115896 17:54:50.95 -30:46:12.31 16.34 ± 0.03 3.37
115940 17:54:50.83 -30:46:18.45 16.20 ± 0.03 4.17
115961 17:54:50.78 -30:46:14.09 17.47 ± 0.08 0.47
116011 17:54:50.64 -30:46:16.48 19.60 ± 0.30 2.68
116071 17:54:50.45 -30:46:14.20 17.81 ± 0.07 4.29

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 17.59 ± 0.17 4.57
2460611.911 (2024-Oct-28.411) 17.53 ± 0.26 4.91
2460611.921 (2024-Oct-28.421) 99.99 ± 99.99 5.18
2460611.930 (2024-Oct-28.430) 17.89 ± 0.28 4.56
2460614.875 (2024-Oct-31.375) 17.63 ± 0.28 5.10

Calibration: I = 27.40 - 2.5 log10(ΔF + 9349.75)

Single lens fit parameters

tmax =JD 2459326.03 ± 0.01 UT (2021-Apr-21.53)
tE =13.58 ± 0.21 days
u0 =0.3725 ± 0.0083
Ibase =17.05 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice