MOA 2024-BLG-221

Event Parameters

Internal ID:gb17-R-4-43490
Discovery date:2024-08-27T14:00:47
RA:18:10:21.39
Dec:-27:41:20.73
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
146019 18:10:21.13 -27:41:22.31 17.01 ± 0.11 4.76
146108 18:10:21.24 -27:41:17.63 18.89 ± 0.33 3.69
146151 18:10:21.35 -27:41:22.38 16.88 ± 0.13 2.61
146152 18:10:21.36 -27:41:19.81 18.12 ± 0.20 1.00
146218 18:10:21.50 -27:41:15.57 15.91 ± 0.07 4.85
146288 18:10:21.61 -27:41:19.54 18.34 ± 0.15 2.49

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 18.48 ± 1.03 5.27
2460610.916 (2024-Oct-27.416) 18.56 ± 0.85 5.02
2460611.891 (2024-Oct-28.391) 17.92 ± 0.16 4.38
2460611.926 (2024-Oct-28.426) 99.99 ± 99.99 5.63
2460614.884 (2024-Oct-31.384) 18.78 ± 1.26 5.17

Calibration: I = 27.40 - 2.5 log10(ΔF + 5171.30)

Single lens fit parameters

tmax =JD 2460562.32 ± 0.09 UT (2024-Sep-8.82)
tE =42.10 ± 1.43 days
u0 =0.1399 ± 0.0070
Ibase =18.48 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice