MOA 2017-BLG-494

Event Parameters

Internal ID:gb7-R-9-8572
Discovery date:2017-10-01T13:36:11
RA:18:01:41.23
Dec:-32:15:47.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
39476 18:01:41.28 -32:15:51.50 18.27 ± 0.11 4.09
39511 18:01:41.20 -32:15:43.96 16.06 ± 0.07 3.98
39512 18:01:41.20 -32:15:47.66 15.17 ± 0.03 0.25
39576 18:01:41.07 -32:15:49.23 15.88 ± 0.05 2.08
39620 18:01:40.97 -32:15:51.55 17.92 ± 0.10 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460610.884 (2024-Oct-27.384) 15.06 ± 0.04 5.29
2460610.927 (2024-Oct-27.427) 15.12 ± 0.03 4.64
2460611.905 (2024-Oct-28.405) 15.07 ± 0.02 4.54
2460611.937 (2024-Oct-28.437) 15.03 ± 0.03 4.85
2460614.889 (2024-Oct-31.389) 15.07 ± 0.08 5.92

Calibration: I = 27.40 - 2.5 log10(ΔF + 78054.87)

Single lens fit parameters

tmax =JD 2458058.60 ± 1.48 UT (2017-Nov-1.10)
tE =27.94 ± 5.33 days
u0 =0.9136 ± 0.2602
Ibase =15.60 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice