MOA 2017-BLG-398

Event Parameters

Internal ID:gb2-R-7-9180
Discovery date:2017-07-22T20:06:12
RA:17:56:56.45
Dec:-34:58:45.61
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
95512 17:56:56.70 -34:58:44.99 17.34 ± 0.12 4.02
95513 17:56:56.73 -34:58:48.70 18.78 ± 0.23 4.98
95626 17:56:56.47 -34:58:41.76 18.44 ± 0.17 4.71
95646 17:56:56.39 -34:58:46.63 15.22 ± 0.04 0.48
95707 17:56:56.23 -34:58:44.21 15.12 ± 0.02 3.07
95763 17:56:56.08 -34:58:48.54 17.75 ± 0.14 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460610.938 (2024-Oct-27.438) 15.18 ± 0.02 4.71
2460611.892 (2024-Oct-28.392) 15.16 ± 0.02 4.38
2460611.927 (2024-Oct-28.427) 15.33 ± 0.07 5.61
2460611.935 (2024-Oct-28.435) 15.28 ± 0.04 5.12
2460614.886 (2024-Oct-31.386) 15.18 ± 0.03 5.39

Calibration: I = 27.40 - 2.5 log10(ΔF + 74541.82)

Single lens fit parameters

tmax =JD 2458173.55 ± 23.75 UT (2018-Feb-24.05)
tE =10757.80 ± 1176.37 days
u0 =0.0000 ± 0.0060
Ibase =22.90 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice