MOA 2019-BLG-308

Event Parameters

Internal ID:gb20-R-7-8445
Discovery date:2019-07-06T14:25:44
RA:18:19:06.47
Dec:-24:09:09.90
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
171026 18:19:06.65 -24:09:12.35 16.28 ± 0.09 3.70
171150 18:19:06.44 -24:09:13.70 14.98 ± 0.02 3.36
171181 18:19:06.39 -24:09:10.17 15.74 ± 0.06 0.64
171321 18:19:06.16 -24:09:08.08 18.48 ± 0.21 4.54

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 15.72 ± 0.04 3.43
2460244.877 (2023-Oct-27.377) 15.76 ± 0.04 4.32
2460245.871 (2023-Oct-28.371) 15.60 ± 0.04 3.13
2460246.850 (2023-Oct-29.350) 15.78 ± 0.05 3.31
2460246.871 (2023-Oct-29.371) 15.70 ± 0.03 3.47

Calibration: I = 27.40 - 2.5 log10(ΔF + 46131.76)

Single lens fit parameters

tmax =JD 2458680.88 ± 0.20 UT (2019-Jul-16.38)
tE =5.01 ± 20.12 days
u0 =8.9813 ± 7.5923
Ibase =9.27 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice