MOA 2023-BLG-023

Event Parameters

Internal ID:gb1-R-2-67173
Discovery date:2023-02-25T14:27:26
RA:17:46:21.78
Dec:-34:00:06.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
36481 17:46:21.63 -34:00:02.27 18.47 ± 0.13 4.97
36499 17:46:21.66 -34:00:10.02 16.39 ± 0.06 4.30
36516 17:46:21.69 -34:00:06.45 16.04 ± 0.04 1.79
36556 17:46:21.85 -34:00:06.00 15.59 ± 0.07 0.55
36606 17:46:21.97 -34:00:10.84 16.79 ± 0.12 4.97
36626 17:46:22.03 -34:00:03.31 16.61 ± 0.04 4.12

Last 5 photometry measurements

Observation dateI magseeing
2460610.905 (2024-Oct-27.405) 15.59 ± 0.01 5.00
2460610.936 (2024-Oct-27.436) 15.62 ± 0.01 4.67
2460611.881 (2024-Oct-28.381) 15.58 ± 0.01 3.97
2460611.917 (2024-Oct-28.417) 15.60 ± 0.01 4.81
2460614.881 (2024-Oct-31.381) 15.60 ± 0.01 4.60

Calibration: I = 27.40 - 2.5 log10(ΔF + 52820.19)

Single lens fit parameters

tmax =JD 2460060.18 ± 0.22 UT (2023-Apr-25.68)
tE =7.63 ± 1.52 days
u0 =12.6500 ± 2.1065
Ibase =6.01 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice