MOA 2019-BLG-442

Event Parameters

Internal ID:gb10-R-8-70091
Discovery date:2019-10-16T21:14:28
RA:18:00:59.29
Dec:-27:37:33.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
168203 18:00:59.59 -27:37:35.39 18.64 ± 0.21 4.91
168254 18:00:59.51 -27:37:37.52 16.01 ± 0.05 4.81
168283 18:00:59.50 -27:37:33.63 17.52 ± 0.13 3.66
168445 18:00:59.20 -27:37:37.95 18.66 ± 0.33 3.53
168516 18:00:59.12 -27:37:35.99 16.00 ± 0.23 2.23
168620 18:00:58.92 -27:37:32.34 16.12 ± 0.13 4.95

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 19.40 ± 0.57 3.56
2460246.886 (2023-Oct-29.386) 18.56 ± 0.25 3.60
2460246.897 (2023-Oct-29.397) 20.17 ± 1.04 3.05
2460246.908 (2023-Oct-29.408) 19.85 ± 0.81 3.50
2460246.919 (2023-Oct-29.419) 19.58 ± 0.76 3.99

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

Single lens fit parameters

tmax =JD 2458773.70 ± 0.02 UT (2019-Oct-17.20)
tE =11276.75 ± 9925.91 days
u0 =0.0001 ± 0.0005
Ibase =26.96 ± 0.35

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice