MOA 2023-BLG-448

Event Parameters

Internal ID:gb16-R-4-25976
Discovery date:2023-10-03T14:55:25
RA:18:11:46.05
Dec:-29:37:45.96
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
84598 18:11:45.94 -29:37:45.27 18.50 ± 0.12 2.21
84620 18:11:45.98 -29:37:49.02 14.89 ± 0.03 4.12
84726 18:11:46.18 -29:37:49.64 18.05 ± 0.08 4.54
84727 18:11:46.16 -29:37:45.15 16.75 ± 0.08 0.85
84728 18:11:46.20 -29:37:42.64 15.94 ± 0.12 3.13
84832 18:11:46.35 -29:37:48.33 18.34 ± 0.13 4.58

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 16.80 ± 0.08 3.05
2460245.939 (2023-Oct-28.439) 16.89 ± 0.09 3.41
2460246.866 (2023-Oct-29.366) 16.79 ± 0.07 3.39
2460246.913 (2023-Oct-29.413) 16.78 ± 0.07 3.22
2460246.937 (2023-Oct-29.437) 16.73 ± 0.08 3.83

Calibration: I = 27.40 - 2.5 log10(ΔF + 18113.40)

Single lens fit parameters

tmax =JD 2460222.22 ± 0.16 UT (2023-Oct-4.72)
tE =4.74 ± 1.02 days
u0 =1.0009 ± 0.3824
Ibase =16.22 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice