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
2460517.125 (2024-Jul-25.625) 15.02 ± 0.03 4.95
2460517.859 (2024-Jul-26.359) 15.51 ± 0.12 4.00
2460518.063 (2024-Jul-26.563) 15.11 ± 0.02 4.41
2460518.815 (2024-Jul-27.315) 15.14 ± 0.02 2.93
2460518.861 (2024-Jul-27.361) 15.13 ± 0.03 2.90

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