MOA 2017-BLG-452

Event Parameters

Internal ID:gb14-R-7-102521
Discovery date:2017-09-04T01:01:08
RA:18:06:45.08
Dec:-27:50:55.66
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
187955 18:06:45.33 -27:50:54.11 16.83 ± 0.13 4.65
187980 18:06:45.31 -27:50:56.31 18.34 ± 0.19 3.75
188046 18:06:45.20 -27:50:58.98 17.26 ± 0.15 3.66
188102 18:06:45.09 -27:50:51.89 16.97 ± 0.15 4.59
188136 18:06:45.05 -27:51:00.97 18.26 ± 0.11 4.91
188163 18:06:44.99 -27:50:54.83 17.17 ± 0.10 1.57
188220 18:06:44.96 -27:50:52.75 18.47 ± 0.14 3.79
188394 18:06:44.71 -27:50:56.20 13.36 ± 0.17 4.43

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 99.99 ± 99.99 3.48
2460246.889 (2023-Oct-29.389) 99.99 ± 99.99 3.57
2460246.901 (2023-Oct-29.401) 99.99 ± 99.99 3.04
2460246.911 (2023-Oct-29.411) 21.29 ± 7.79 3.52
2460246.923 (2023-Oct-29.423) 99.99 ± 99.99 3.76

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

Single lens fit parameters

tmax =JD 2458001.24 ± 0.02 UT (2017-Sep-4.74)
tE =9.95 ± 0.02 days
u0 =0.0110 ± 0.0031
Ibase =20.03 ± 0.38

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice