MOA 2023-BLG-028

Event Parameters

Internal ID:gb13-R-4-90587
Discovery date:2023-02-26T20:08:26
RA:18:03:23.45
Dec:-29:39:42.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
11638 18:03:23.15 -29:39:41.01 14.57 ± 0.03 4.97
11660 18:03:23.24 -29:39:44.20 18.31 ± 0.11 4.05
11765 18:03:23.45 -29:39:44.55 16.72 ± 0.04 2.35
11784 18:03:23.46 -29:39:42.40 15.80 ± 0.06 0.54
11838 18:03:23.60 -29:39:45.50 15.95 ± 0.08 3.53
11931 18:03:23.80 -29:39:41.60 18.95 ± 0.21 4.22

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 15.72 ± 0.04 3.52
2460245.920 (2023-Oct-28.420) 15.80 ± 0.05 3.93
2460246.857 (2023-Oct-29.357) 15.77 ± 0.03 3.72
2460246.890 (2023-Oct-29.390) 15.73 ± 0.04 3.71
2460246.924 (2023-Oct-29.424) 15.78 ± 0.04 3.85

Calibration: I = 27.40 - 2.5 log10(ΔF + 43491.06)

Single lens fit parameters

tmax =JD 2460001.91 ± 0.05 UT (2023-Feb-26.41)
tE =9214.88 ± 8328.86 days
u0 =0.0003 ± 0.0023
Ibase =26.55 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice