MOA 2023-BLG-273

Event Parameters

Internal ID:gb13-R-1-116898
Discovery date:2023-06-18T01:08:37
RA:18:05:30.80
Dec:-28:24:28.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
83999 18:05:30.67 -28:24:30.61 15.79 ± 0.05 3.67
84052 18:05:30.81 -28:24:27.46 15.66 ± 0.03 0.81
84124 18:05:31.08 -28:24:29.82 14.16 ± 0.03 3.73
84134 18:05:31.12 -28:24:25.75 16.13 ± 0.03 4.41

Last 5 photometry measurements

Observation dateI magseeing
2460610.903 (2024-Oct-27.403) 15.46 ± 0.12 5.48
2460610.933 (2024-Oct-27.433) 15.46 ± 0.10 5.22
2460611.878 (2024-Oct-28.378) 15.55 ± 0.11 5.23
2460611.914 (2024-Oct-28.414) 15.74 ± 0.52 5.87
2460614.879 (2024-Oct-31.379) 15.37 ± 0.13 5.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 49842.52)

Single lens fit parameters

tmax =JD 2460111.95 ± 0.00 UT (2023-Jun-16.45)
tE =9.70 ± 0.01 days
u0 =0.0037 ± 0.0001
Ibase =20.27 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice