MOA 2017-BLG-275

Event Parameters

Internal ID:gb14-R-3-59970
Discovery date:2017-05-21T18:30:25
RA:18:05:51.04
Dec:-27:22:24.22
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
204361 18:05:50.74 -27:22:24.18 19.15 ± 0.41 4.84
204435 18:05:50.86 -27:22:20.33 15.67 ± 0.07 4.59
204490 18:05:50.98 -27:22:24.03 17.00 ± 0.15 1.45
204574 18:05:51.08 -27:22:26.50 18.36 ± 0.17 2.96
204575 18:05:51.07 -27:22:20.45 18.22 ± 0.24 3.27
204656 18:05:51.24 -27:22:25.83 17.95 ± 0.17 3.10
204773 18:05:51.40 -27:22:22.03 16.56 ± 0.22 4.66

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.09 ± 0.06 3.29
2460246.889 (2023-Oct-29.389) 16.96 ± 0.06 3.73
2460246.901 (2023-Oct-29.401) 17.00 ± 0.05 2.98
2460246.911 (2023-Oct-29.411) 16.97 ± 0.07 3.64
2460246.923 (2023-Oct-29.423) 17.10 ± 0.10 3.88

Calibration: I = 27.40 - 2.5 log10(ΔF + 14494.39)

Single lens fit parameters

tmax =JD 2457914.25 ± 0.06 UT (2017-Jun-9.75)
tE =32.00 ± 1.76 days
u0 =0.7299 ± 0.0699
Ibase =17.69 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice