MOA 2021-BLG-144

Event Parameters

Internal ID:gb4-R-9-84849
Discovery date:2021-05-23T18:58:56
RA:17:56:23.95
Dec:-30:40:51.04
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
77222 17:56:24.14 -30:40:49.94 15.41 ± 0.06 3.65
77280 17:56:24.02 -30:40:55.42 18.53 ± 0.08 4.20
77336 17:56:23.90 -30:40:47.04 18.91 ± 0.17 4.78
77337 17:56:23.90 -30:40:52.16 16.31 ± 0.08 0.56
77461 17:56:23.63 -30:40:51.38 14.62 ± 0.03 3.76

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 16.36 ± 0.08 4.68
2460611.911 (2024-Oct-28.411) 16.38 ± 0.11 4.91
2460611.921 (2024-Oct-28.421) 16.72 ± 0.13 5.23
2460611.930 (2024-Oct-28.430) 16.46 ± 0.09 4.69
2460614.875 (2024-Oct-31.375) 16.55 ± 0.12 5.04

Calibration: I = 27.40 - 2.5 log10(ΔF + 27340.09)

Single lens fit parameters

tmax =JD 2459332.95 ± 0.34 UT (2021-Apr-28.45)
tE =1.96 ± 0.10 days
u0 =42.9015 ± 0.5877
Ibase =3.09 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice