MOA 2023-BLG-389

Event Parameters

Internal ID:gb10-R-7-159937
Discovery date:2023-08-21T18:50:06
RA:18:01:06.70
Dec:-27:47:45.93
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
65580 18:01:06.85 -27:47:45.00 17.79 ± 0.13 3.11
65581 18:01:06.86 -27:47:49.23 18.82 ± 0.23 3.99
65696 18:01:06.67 -27:47:46.38 17.04 ± 0.13 0.27
65747 18:01:06.59 -27:47:43.20 19.32 ± 0.23 3.55
65825 18:01:06.43 -27:47:45.27 18.17 ± 0.18 3.35

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 17.02 ± 0.11 3.50
2460246.886 (2023-Oct-29.386) 16.81 ± 0.08 3.58
2460246.897 (2023-Oct-29.397) 16.97 ± 0.07 2.98
2460246.908 (2023-Oct-29.408) 17.49 ± 0.17 3.47
2460246.919 (2023-Oct-29.419) 18.42 ± 0.54 3.91

Calibration: I = 27.40 - 2.5 log10(ΔF + 13918.74)

Single lens fit parameters

tmax =JD 2460192.81 ± 0.05 UT (2023-Sep-5.31)
tE =15.78 ± 0.90 days
u0 =1.0311 ± 0.0878
Ibase =16.05 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice