MOA 2018-BLG-408

Event Parameters

Internal ID:gb5-R-4-109087
Discovery date:2018-10-22T20:28:40
RA:17:52:01.90
Dec:-29:42:43.83
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
26761 17:52:01.66 -29:42:43.54 15.66 ± 0.03 3.96
26808 17:52:01.74 -29:42:40.51 18.35 ± 0.13 4.01
26850 17:52:01.84 -29:42:44.54 16.73 ± 0.09 2.00
26889 17:52:01.92 -29:42:41.36 17.76 ± 0.12 2.00
26952 17:52:02.07 -29:42:44.14 17.75 ± 0.07 1.97
26995 17:52:02.18 -29:42:40.05 18.24 ± 0.10 4.64

Last 5 photometry measurements

Observation dateI magseeing
2460478.089 (2024-Jun-16.589) 19.58 ± 0.73 4.19
2460478.103 (2024-Jun-16.603) 99.99 ± 99.99 3.90
2460478.113 (2024-Jun-16.613) 20.68 ± 1.49 3.93
2460478.125 (2024-Jun-16.625) 99.99 ± 99.99 3.84
2460478.137 (2024-Jun-16.637) 99.99 ± 99.99 3.31

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

Single lens fit parameters

tmax =JD 2458415.41 ± 0.02 UT (2018-Oct-23.91)
tE =31.53 ± 2.21 days
u0 =0.0263 ± 0.0020
Ibase =20.01 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice