MOA 2017-BLG-340

Event Parameters

Internal ID:gb13-R-9-50922
Discovery date:2017-06-28T15:22:01
RA:18:06:36.44
Dec:-28:47:33.42
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
65605 18:06:36.61 -28:47:37.43 17.68 ± 0.15 4.57
65695 18:06:36.43 -28:47:31.97 17.99 ± 0.13 2.17
65781 18:06:36.25 -28:47:36.90 16.60 ± 0.09 3.58
65877 18:06:36.11 -28:47:35.73 18.64 ± 0.33 4.26

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 19.14 ± 0.43 3.54
2460245.920 (2023-Oct-28.420) 18.48 ± 0.36 3.74
2460246.857 (2023-Oct-29.357) 18.91 ± 0.32 3.72
2460246.890 (2023-Oct-29.390) 20.57 ± 1.93 3.68
2460246.924 (2023-Oct-29.424) 19.24 ± 0.68 3.91

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

Single lens fit parameters

tmax =JD 2457932.53 ± 0.02 UT (2017-Jun-28.03)
tE =307.69 ± 117.24 days
u0 =0.0015 ± 0.0009
Ibase =24.18 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice