MOA 2017-BLG-309

Event Parameters

Internal ID:gb17-R-8-46422
Discovery date:2017-06-14T14:39:24
RA:18:14:42.14
Dec:-27:21:46.02
Current assessment:cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
12509 18:14:42.05 -27:21:45.21 17.93 ± 0.12 1.62
12539 18:14:42.06 -27:21:50.76 18.06 ± 0.17 4.34
12564 18:14:41.98 -27:21:47.67 19.23 ± 0.24 1.92
12642 18:14:41.83 -27:21:44.71 18.23 ± 0.11 4.26
12643 18:14:41.83 -27:21:49.52 17.43 ± 0.08 4.79

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 99.99 ± 99.99 3.12
2460245.931 (2023-Oct-28.431) 99.99 ± 99.99 3.28
2460246.862 (2023-Oct-29.362) 99.99 ± 99.99 3.53
2460246.903 (2023-Oct-29.403) 99.99 ± 99.99 3.29
2460246.931 (2023-Oct-29.431) 99.99 ± 99.99 3.75

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

Single lens fit parameters

tmax =JD 2457920.23 ± 0.02 UT (2017-Jun-15.73)
tE =0.81 ± 1.81 days
u0 =8.4377 ± 6.1385
Ibase =9.06 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice