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
2460572.941 (2024-Sep-19.441) 19.76 ± 0.76 3.90
2460572.952 (2024-Sep-19.452) 21.01 ± 2.67 3.90
2460572.964 (2024-Sep-19.464) 19.71 ± 2.42 5.08
2460573.025 (2024-Sep-19.525) 18.19 ± 0.58 4.86
2460575.916 (2024-Sep-22.416) 99.99 ± 99.99 5.56

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