MOA 2017-BLG-291

Event Parameters

Internal ID:gb11-R-3-4829
Discovery date:2017-05-31T14:54:30
RA:18:04:46.02
Dec:-32:52:06.17
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
54988 18:04:45.72 -32:52:06.88 18.71 ± 0.12 4.67
55109 18:04:45.99 -32:52:09.97 17.42 ± 0.05 4.64
55157 18:04:46.08 -32:52:05.72 16.55 ± 0.12 0.23
55183 18:04:46.13 -32:52:01.46 19.07 ± 0.17 4.34
55256 18:04:46.28 -32:52:06.46 16.58 ± 0.17 2.96

Last 5 photometry measurements

Observation dateI magseeing
2460246.873 (2023-Oct-29.373) 16.65 ± 0.05 3.66
2460246.934 (2023-Oct-29.434) 16.45 ± 0.06 3.58
2460246.940 (2023-Oct-29.440) 16.54 ± 0.08 3.58
2460246.941 (2023-Oct-29.441) 16.49 ± 0.08 3.85
2460246.943 (2023-Oct-29.443) 16.57 ± 0.10 3.96

Calibration: I = 27.40 - 2.5 log10(ΔF + 21877.62)

Single lens fit parameters

tmax =JD 2457904.32 ± 0.01 UT (2017-May-30.82)
tE =13.83 ± 0.84 days
u0 =0.0092 ± 0.0047
Ibase =21.01 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice