MOA 2017-BLG-506

Event Parameters

Internal ID:gb19-R-4-4628
Discovery date:2017-10-19T11:19:01
RA:18:15:52.48
Dec:-25:46:05.39
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
122251 18:15:52.20 -25:46:05.59 17.66 ± 0.07 4.68
122389 18:15:52.44 -25:46:01.11 18.04 ± 0.13 4.01
122436 18:15:52.56 -25:46:04.82 19.09 ± 0.15 0.53
122485 18:15:52.61 -25:46:07.96 17.71 ± 0.10 3.46
122486 18:15:52.64 -25:46:02.47 19.86 ± 0.21 2.90
122568 18:15:52.81 -25:46:05.67 16.71 ± 0.12 4.08
122618 18:15:52.87 -25:46:03.53 17.75 ± 0.10 4.98

Last 5 photometry measurements

Observation dateI magseeing
2460599.954 (2024-Oct-16.454) 19.36 ± 0.57 3.32
2460602.898 (2024-Oct-19.398) 18.98 ± 0.23 3.37
2460610.889 (2024-Oct-27.389) 19.24 ± 0.79 5.15
2460611.932 (2024-Oct-28.432) 99.99 ± 99.99 4.98
2460614.894 (2024-Oct-31.394) 18.95 ± 0.52 4.88

Calibration: I = 27.40 - 2.5 log10(ΔF + 2098.94)

Single lens fit parameters

tmax =JD 2458052.88 ± 0.03 UT (2017-Oct-26.38)
tE =44.74 ± 2.31 days
u0 =0.0278 ± 0.0021
Ibase =19.10 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice