MOA 2019-BLG-278

Event Parameters

Internal ID:gb5-R-8-99269
Discovery date:2019-06-23T20:13:28
RA:17:54:55.46
Dec:-29:17:01.05
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
152455 17:54:55.48 -29:17:06.06 17.73 ± 0.08 4.65
152606 17:54:55.25 -29:17:00.70 16.56 ± 0.20 2.54
152622 17:54:55.17 -29:17:04.17 16.44 ± 0.07 4.25
152645 17:54:55.12 -29:16:58.75 16.32 ± 0.06 4.98

Last 5 photometry measurements

Observation dateI magseeing
2460567.999 (2024-Sep-14.499) 99.99 ± 99.99 3.57
2460568.011 (2024-Sep-14.511) 99.99 ± 99.99 3.59
2460568.021 (2024-Sep-14.521) 99.99 ± 99.99 3.76
2460568.033 (2024-Sep-14.533) 17.98 ± 0.42 3.75
2460568.043 (2024-Sep-14.543) 99.99 ± 99.99 3.50

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

Single lens fit parameters

tmax =JD 2458664.64 ± 0.02 UT (2019-Jun-30.14)
tE =33.71 ± 0.86 days
u0 =0.2067 ± 0.0078
Ibase =19.06 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice