MOA 2017-BLG-158

Event Parameters

Internal ID:gb6-R-6-21449
Discovery date:2017-04-08T16:15:03
RA:17:55:44.16
Dec:-28:03:34.35
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
41883 17:55:44.41 -28:03:36.80 18.55 ± 0.11 4.52
42032 17:55:44.13 -28:03:32.35 17.72 ± 0.08 2.72
42057 17:55:44.12 -28:03:34.84 18.16 ± 0.06 0.15
42058 17:55:44.11 -28:03:37.18 19.90 ± 0.14 2.36

Last 5 photometry measurements

Observation dateI magseeing
2460235.907 (2023-Oct-18.407) 17.91 ± 0.10 4.02
2460239.931 (2023-Oct-22.431) 17.70 ± 0.16 3.52
2460244.880 (2023-Oct-27.380) 17.61 ± 0.22 4.51
2460245.875 (2023-Oct-28.375) 18.23 ± 0.26 3.28
2460246.874 (2023-Oct-29.374) 17.90 ± 0.19 3.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 4975.08)

Single lens fit parameters

tmax =JD 2457853.74 ± 0.12 UT (2017-Apr-10.24)
tE =28.37 ± 2.84 days
u0 =0.2869 ± 0.0490
Ibase =18.41 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice