MOA 2017-BLG-438

Event Parameters

Internal ID:gb1-R-6-16590
Discovery date:2017-08-24T12:47:07
RA:17:48:19.65
Dec:-34:57:21.08
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
153817 17:48:19.77 -34:57:24.23 15.91 ± 0.04 3.46
153899 17:48:19.59 -34:57:20.50 14.76 ± 0.03 1.25

Last 5 photometry measurements

Observation dateI magseeing
2460518.053 (2024-Jul-26.553) 14.77 ± 0.02 4.77
2460518.807 (2024-Jul-27.307) 14.77 ± 0.01 3.25
2460518.838 (2024-Jul-27.338) 14.79 ± 0.01 3.06
2460518.872 (2024-Jul-27.372) 14.78 ± 0.01 2.81
2460518.915 (2024-Jul-27.415) 14.78 ± 0.01 3.28

Calibration: I = 27.40 - 2.5 log10(ΔF + 113658.00)

Single lens fit parameters

tmax =JD 2457996.22 ± 0.09 UT (2017-Aug-30.72)
tE =27.51 ± 1.68 days
u0 =0.3014 ± 0.0282
Ibase =18.14 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice