MOA 2017-BLG-200

Event Parameters

Internal ID:gb18-R-4-23035
Discovery date:2017-04-23T15:40:57
RA:18:09:37.88
Dec:-26:07:38.66
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
17435 18:09:37.70 -26:07:41.74 18.54 ± 0.13 4.98
17497 18:09:37.84 -26:07:39.82 18.75 ± 0.09 2.15
17498 18:09:37.82 -26:07:35.98 16.78 ± 0.09 2.58
17499 18:09:37.83 -26:07:33.48 16.48 ± 0.06 4.96
17601 18:09:38.00 -26:07:35.34 16.88 ± 0.09 3.13
17628 18:09:38.04 -26:07:41.86 15.98 ± 0.02 4.25

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 99.99 ± 99.99 3.50
2460245.862 (2023-Oct-28.362) 99.99 ± 99.99 3.73
2460245.898 (2023-Oct-28.398) 99.99 ± 99.99 3.52
2460246.861 (2023-Oct-29.361) 99.99 ± 99.99 3.78
2460246.902 (2023-Oct-29.402) 99.99 ± 99.99 3.43

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

Single lens fit parameters

tmax =JD 2457867.27 ± 0.03 UT (2017-Apr-23.77)
tE =13.45 ± 1.14 days
u0 =0.1394 ± 0.0186
Ibase =19.61 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice