MOA 2017-BLG-172

Event Parameters

Internal ID:gb5-R-3-100927
Discovery date:2017-04-15T17:10:09
RA:17:53:46.25
Dec:-29:20:33.15
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
75313 17:53:46.22 -29:20:29.09 18.11 ± 0.13 3.73
75358 17:53:46.30 -29:20:32.60 16.06 ± 0.21 0.11
75405 17:53:46.41 -29:20:35.88 16.01 ± 0.09 3.78
75464 17:53:46.61 -29:20:33.74 17.58 ± 0.15 4.44
75493 17:53:46.53 -29:20:35.24 16.76 ± 0.16 4.21

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.93 ± 0.04 3.70
2460246.883 (2023-Oct-29.383) 15.94 ± 0.02 3.46
2460246.895 (2023-Oct-29.395) 15.96 ± 0.03 3.36
2460246.905 (2023-Oct-29.405) 15.97 ± 0.03 3.36
2460246.917 (2023-Oct-29.417) 15.95 ± 0.03 3.44

Calibration: I = 27.40 - 2.5 log10(ΔF + 34419.14)

Single lens fit parameters

tmax =JD 2457867.31 ± 0.00 UT (2017-Apr-23.81)
tE =5.57 ± 0.05 days
u0 =0.2869 ± 0.0036
Ibase =16.23 ± 0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice