MOA 2017-BLG-477

Event Parameters

Internal ID:gb14-R-2-68610
Discovery date:2017-09-15T14:06:39
RA:18:05:49.98
Dec:-27:04:38.11
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
160909 18:05:49.73 -27:04:38.93 15.04 ± 0.09 4.21
160981 18:05:49.89 -27:04:33.84 17.22 ± 0.13 4.24
161010 18:05:49.93 -27:04:41.43 17.33 ± 0.16 4.23
161059 18:05:50.04 -27:04:37.59 17.89 ± 0.11 0.29
161144 18:05:50.20 -27:04:41.56 17.82 ± 0.05 4.89
161169 18:05:50.21 -27:04:38.59 19.29 ± 0.25 2.89
161190 18:05:50.25 -27:04:35.52 16.26 ± 0.09 3.83

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.76 ± 0.08 3.57
2460246.889 (2023-Oct-29.389) 17.98 ± 0.12 3.80
2460246.901 (2023-Oct-29.401) 17.81 ± 0.08 3.16
2460246.911 (2023-Oct-29.411) 17.74 ± 0.08 3.63
2460246.923 (2023-Oct-29.423) 17.72 ± 0.11 4.00

Calibration: I = 27.40 - 2.5 log10(ΔF + 6385.57)

Single lens fit parameters

tmax =JD 2458012.40 ± 0.00 UT (2017-Sep-15.90)
tE =41.06 ± 2.71 days
u0 =0.0000 ± 0.0009
Ibase =19.53 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice