MOA 2017-BLG-498

Event Parameters

Internal ID:gb1-R-3-19304
Discovery date:2017-10-11T12:49:01
RA:17:44:44.81
Dec:-34:14:42.96
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
12540 17:44:44.69 -34:14:39.62 17.22 ± 0.06 3.58
12633 17:44:44.87 -34:14:42.51 18.38 ± 0.09 0.18
12724 17:44:45.07 -34:14:39.94 16.88 ± 0.03 3.74

Last 5 photometry measurements

Observation dateI magseeing
2460518.053 (2024-Jul-26.553) 99.99 ± 99.99 4.99
2460518.807 (2024-Jul-27.307) 19.49 ± 0.91 3.30
2460518.838 (2024-Jul-27.338) 18.64 ± 0.59 3.12
2460518.872 (2024-Jul-27.372) 18.33 ± 0.26 2.93
2460518.915 (2024-Jul-27.415) 18.95 ± 0.41 3.39

Calibration: I = 27.40 - 2.5 log10(ΔF + 4066.31)

Single lens fit parameters

tmax =JD 2458042.97 ± 0.02 UT (2017-Oct-16.47)
tE =22.97 ± 0.86 days
u0 =0.0399 ± 0.0021
Ibase =18.07 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice