MOA 2017-BLG-197

Event Parameters

Internal ID:gb14-R-3-58084
Discovery date:2017-04-22T19:14:42
RA:18:05:43.51
Dec:-27:26:46.32
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
200019 18:05:43.39 -27:26:45.96 18.03 ± 0.09 2.21
200046 18:05:43.40 -27:26:47.86 17.79 ± 0.16 3.00
200165 18:05:43.62 -27:26:49.55 16.62 ± 0.20 4.05
200166 18:05:43.60 -27:26:43.89 17.60 ± 0.19 2.03
200248 18:05:43.79 -27:26:42.90 17.53 ± 0.20 4.43
200289 18:05:43.86 -27:26:47.20 17.65 ± 0.16 4.50

Last 5 photometry measurements

Observation dateI magseeing
2460611.889 (2024-Oct-28.389) 18.39 ± 0.36 4.62
2460611.902 (2024-Oct-28.402) 99.99 ± 99.99 3.85
2460611.913 (2024-Oct-28.413) 16.89 ± 0.17 5.22
2460611.924 (2024-Oct-28.424) 17.52 ± 0.25 4.98
2460614.877 (2024-Oct-31.377) 17.65 ± 0.23 5.13

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

Single lens fit parameters

tmax =JD 2457870.46 ± 0.02 UT (2017-Apr-26.96)
tE =1.03 ± 1.66 days
u0 =11.2945 ± 7.1478
Ibase =8.60 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice