MOA 2019-BLG-444

Event Parameters

Internal ID:gb16-R-8-8924
Discovery date:2019-10-16T21:23:42
RA:18:13:51.88
Dec:-29:05:43.58
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
38953 18:13:52.13 -29:05:46.10 17.66 ± 0.11 4.38
39025 18:13:51.98 -29:05:44.60 17.97 ± 0.13 1.94
39051 18:13:51.93 -29:05:40.02 17.18 ± 0.09 4.45
39124 18:13:51.80 -29:05:44.25 15.16 ± 0.04 0.54
39255 18:13:51.55 -29:05:47.02 17.99 ± 0.10 4.89

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 15.10 ± 0.01 3.15
2460245.939 (2023-Oct-28.439) 15.11 ± 0.02 3.50
2460246.866 (2023-Oct-29.366) 15.12 ± 0.01 3.43
2460246.913 (2023-Oct-29.413) 15.10 ± 0.01 3.22
2460246.937 (2023-Oct-29.437) 15.14 ± 0.02 3.71

Calibration: I = 27.40 - 2.5 log10(ΔF + 78559.73)

Single lens fit parameters

tmax =JD 2458797.21 ± 0.87 UT (2019-Nov-9.71)
tE =77.28 ± 3.75 days
u0 =0.1349 ± 0.0088
Ibase =17.87 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice