MOA 2023-BLG-057

Event Parameters

Internal ID:gb5-R-4-139488
Discovery date:2023-03-14T18:53:39
RA:17:51:23.33
Dec:-29:34:08.60
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
99754 17:51:23.08 -29:34:05.70 17.71 ± 0.07 4.57
99768 17:51:23.19 -29:34:08.37 19.29 ± 0.27 2.56
99828 17:51:23.27 -29:34:04.83 17.26 ± 0.06 3.56
99847 17:51:23.32 -29:34:11.14 17.25 ± 0.08 3.32
99863 17:51:23.39 -29:34:07.54 17.80 ± 0.18 0.59
99909 17:51:23.46 -29:34:03.53 17.46 ± 0.11 4.84
99973 17:51:23.64 -29:34:05.47 17.43 ± 0.06 4.57

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 17.49 ± 0.15 5.01
2460611.918 (2024-Oct-28.418) 18.81 ± 0.82 5.64
2460614.862 (2024-Oct-31.362) 17.98 ± 0.51 5.65
2460614.868 (2024-Oct-31.368) 99.99 ± 99.99 5.74
2460614.872 (2024-Oct-31.372) 17.82 ± 0.17 4.64

Calibration: I = 27.40 - 2.5 log10(ΔF + 6905.58)

Single lens fit parameters

tmax =JD 2460033.97 ± 0.02 UT (2023-Mar-30.47)
tE =30.61 ± 0.33 days
u0 =0.2194 ± 0.0035
Ibase =17.98 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice