MOA 2019-BLG-304

Event Parameters

Internal ID:gb10-R-4-44718
Discovery date:2019-07-05T11:31:05
RA:17:59:53.71
Dec:-27:46:42.90
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
182586 17:59:53.61 -27:46:43.71 16.45 ± 0.07 2.43
182655 17:59:53.69 -27:46:46.67 19.47 ± 0.14 4.58
182677 17:59:53.73 -27:46:39.55 18.80 ± 0.12 2.87
182783 17:59:53.93 -27:46:46.22 18.56 ± 0.16 4.70
182784 17:59:53.89 -27:46:42.33 20.33 ± 0.22 1.93
182815 17:59:53.96 -27:46:44.02 20.18 ± 0.29 3.40
182838 17:59:54.01 -27:46:41.21 20.19 ± 0.27 3.76

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 19.84 ± 0.74 3.44
2460246.886 (2023-Oct-29.386) 99.99 ± 99.99 3.54
2460246.897 (2023-Oct-29.397) 19.29 ± 0.39 3.06
2460246.908 (2023-Oct-29.408) 19.93 ± 1.00 3.53
2460246.919 (2023-Oct-29.419) 20.76 ± 2.65 4.09

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458669.44 ± 0.02 UT (2019-Jul-4.94)
tE =32.11 ± 3.11 days
u0 =0.0048 ± 0.0010
Ibase =21.53 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice