MOA 2017-BLG-508

Event Parameters

Internal ID:gb1-R-6-16598
Discovery date:2017-10-28T22:16:08
RA:17:48:40.25
Dec:-34:51:14.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
58449 17:48:40.32 -34:51:11.72 20.09 ± 0.34 3.84
58472 17:48:40.28 -34:51:19.41 18.40 ± 0.07 4.66
58525 17:48:40.19 -34:51:14.97 15.90 ± 0.03 0.17
58547 17:48:40.14 -34:51:11.62 17.71 ± 0.06 3.72
58624 17:48:39.97 -34:51:13.82 18.14 ± 0.11 3.26
58625 17:48:40.00 -34:51:17.02 17.92 ± 0.12 3.21

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 15.87 ± 0.04 3.47
2460245.937 (2023-Oct-28.437) 16.02 ± 0.07 4.08
2460246.859 (2023-Oct-29.359) 15.78 ± 0.03 3.73
2460246.892 (2023-Oct-29.392) 15.85 ± 0.04 3.52
2460246.926 (2023-Oct-29.426) 15.90 ± 0.05 3.56

Calibration: I = 27.40 - 2.5 log10(ΔF + 39957.66)

Single lens fit parameters

tmax =JD 2458064.07 ± 0.22 UT (2017-Nov-6.57)
tE =113.75 ± 2.56 days
u0 =0.0001 ± 0.0103
Ibase =18.73 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice