MOA 2023-BLG-427

Event Parameters

Internal ID:gb1-R-4-45156
Discovery date:2023-09-11T14:39:43
RA:17:46:57.05
Dec:-34:28:05.93
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
171292 17:46:56.76 -34:28:03.70 15.74 ± 0.11 4.55
171314 17:46:56.86 -34:28:02.00 15.57 ± 0.20 4.61
171499 17:46:57.15 -34:28:01.60 18.72 ± 0.14 3.95
171535 17:46:57.24 -34:28:04.48 17.17 ± 0.06 2.08
171560 17:46:57.32 -34:28:09.13 16.29 ± 0.10 4.84

Last 5 photometry measurements

Observation dateI magseeing
2460610.905 (2024-Oct-27.405) 18.61 ± 1.14 4.87
2460610.936 (2024-Oct-27.436) 99.99 ± 99.99 4.61
2460611.881 (2024-Oct-28.381) 99.99 ± 99.99 3.92
2460611.917 (2024-Oct-28.417) 99.99 ± 99.99 4.75
2460614.881 (2024-Oct-31.381) 99.99 ± 99.99 4.59

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460198.55 ± 0.22 UT (2023-Sep-11.05)
tE =10.36 ± 3.78 days
u0 =0.0398 ± 0.0213
Ibase =19.81 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice