MOA 2019-BLG-004

Event Parameters

Internal ID:gb2-R-2-21954
Discovery date:2019-02-04T21:20:02
RA:17:51:31.44
Dec:-34:01:16.86
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
62783 17:51:31.22 -34:01:19.57 15.67 ± 0.09 4.82
62848 17:51:31.50 -34:01:15.95 17.05 ± 0.06 0.40

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 17.13 ± 0.04 3.68
2460246.904 (2023-Oct-29.404) 17.10 ± 0.04 3.42
2460246.932 (2023-Oct-29.432) 17.03 ± 0.06 3.97
2460246.936 (2023-Oct-29.436) 17.03 ± 0.06 3.73
2460246.939 (2023-Oct-29.439) 17.00 ± 0.06 3.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 13791.13)

Single lens fit parameters

tmax =JD 2458514.18 ± 0.22 UT (2019-Jan-30.68)
tE =47.17 ± 1.52 days
u0 =0.2553 ± 0.0158
Ibase =16.27 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice