MOA 2023-BLG-450

Event Parameters

Internal ID:gb7-R-4-15900
Discovery date:2023-10-03T14:55:31
RA:17:58:16.55
Dec:-33:04:21.27
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
135763 17:58:16.34 -33:04:22.15 18.57 ± 0.18 3.66
135838 17:58:16.46 -33:04:17.74 19.41 ± 0.17 3.56
135904 17:58:16.57 -33:04:21.05 16.20 ± 0.10 0.49
135949 17:58:16.69 -33:04:18.61 17.15 ± 0.08 2.49
135973 17:58:16.75 -33:04:23.89 16.97 ± 0.07 3.86
136046 17:58:16.89 -33:04:19.80 17.78 ± 0.10 3.99

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 15.73 ± 0.02 3.18
2460245.940 (2023-Oct-28.440) 15.71 ± 0.02 3.44
2460246.867 (2023-Oct-29.367) 15.72 ± 0.01 3.38
2460246.915 (2023-Oct-29.415) 15.69 ± 0.02 3.27
2460246.938 (2023-Oct-29.438) 15.77 ± 0.03 3.90

Calibration: I = 27.40 - 2.5 log10(ΔF + 30227.34)

Single lens fit parameters

tmax =JD 2460242.50 ± 0.59 UT (2023-Oct-25.00)
tE =67.32 ± 4.30 days
u0 =0.3998 ± 0.0393
Ibase =17.76 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice