MOA 2017-BLG-121

Event Parameters

Internal ID:gb18-R-3-13079
Discovery date:2017-03-27T15:56:26
RA:18:11:47.42
Dec:-25:52:47.19
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
89310 18:11:47.38 -25:52:48.59 17.18 ± 0.08 2.35
89336 18:11:47.43 -25:52:46.34 19.08 ± 0.16 0.54
89456 18:11:47.62 -25:52:44.96 17.82 ± 0.07 2.75
89553 18:11:47.80 -25:52:45.75 17.31 ± 0.06 4.80

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 18.64 ± 0.30 3.43
2460245.862 (2023-Oct-28.362) 18.49 ± 0.23 3.53
2460245.898 (2023-Oct-28.398) 19.01 ± 0.43 3.17
2460246.861 (2023-Oct-29.361) 18.62 ± 0.34 3.81
2460246.902 (2023-Oct-29.402) 19.20 ± 0.47 3.34

Calibration: I = 27.40 - 2.5 log10(ΔF + 2134.03)

Single lens fit parameters

tmax =JD 2457841.44 ± 0.00 UT (2017-Mar-28.94)
tE =26.79 ± 0.79 days
u0 =0.0438 ± 0.0017
Ibase =19.57 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice