MOA 2021-BLG-454

Event Parameters

Internal ID:gb9-R-3-148452
Discovery date:2021-10-22T14:21:45
RA:17:57:03.19
Dec:-29:07:53.23
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
95294 17:57:03.08 -29:07:55.14 16.30 ± 0.03 3.34
95381 17:57:03.27 -29:07:55.39 18.78 ± 0.22 2.89
95413 17:57:03.37 -29:07:50.68 15.93 ± 0.04 2.72
95489 17:57:03.57 -29:07:54.63 18.80 ± 0.14 4.99
95490 17:57:03.56 -29:07:50.97 16.61 ± 0.04 4.79

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 22.07 ± 6.48 3.53
2460246.896 (2023-Oct-29.396) 21.20 ± 3.25 3.26
2460246.906 (2023-Oct-29.406) 20.08 ± 0.98 3.27
2460246.918 (2023-Oct-29.418) 22.68 ± 12.94 3.54
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.45

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

Single lens fit parameters

tmax =JD 2459508.76 ± 0.00 UT (2021-Oct-21.26)
tE =45717.85 ± 45157.79 days
u0 =0.0000 ± 0.0000
Ibase =30.61 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice