MOA 2023-BLG-230

Event Parameters

Internal ID:gb1-R-3-30191
Discovery date:2023-06-06T19:57:33
RA:17:47:23.20
Dec:-34:13:48.13
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
192196 17:47:23.06 -34:13:43.61 18.20 ± 0.20 4.72
192258 17:47:23.17 -34:13:51.60 18.34 ± 0.16 4.32
192329 17:47:23.28 -34:13:47.78 15.46 ± 0.05 0.48
192363 17:47:23.36 -34:13:52.01 18.47 ± 0.19 4.82
192418 17:47:23.46 -34:13:45.22 14.93 ± 0.05 3.62
192487 17:47:23.56 -34:13:46.95 16.36 ± 0.11 4.00

Last 5 photometry measurements

Observation dateI magseeing
2460466.178 (2024-Jun-4.678) 15.44 ± 0.02 2.37
2460466.222 (2024-Jun-4.722) 15.42 ± 0.02 2.43
2460466.270 (2024-Jun-4.770) 15.46 ± 0.02 2.71
2460466.824 (2024-Jun-5.324) 15.44 ± 0.04 4.08
2460466.859 (2024-Jun-5.359) 15.42 ± 0.05 3.83

Calibration: I = 27.40 - 2.5 log10(ΔF + 59648.56)

Single lens fit parameters

tmax =JD 2460126.73 ± 0.14 UT (2023-Jul-1.23)
tE =39.57 ± 7.93 days
u0 =1.2671 ± 0.3005
Ibase =15.75 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice