MOA 2017-BLG-454

Event Parameters

Internal ID:gb16-R-10-10252
Discovery date:2017-09-04T01:02:34
RA:18:13:46.81
Dec:-28:41:52.60
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
97160 18:13:47.04 -28:41:55.62 14.75 ± 0.02 4.52
97256 18:13:46.82 -28:41:56.24 16.05 ± 0.03 3.32
97274 18:13:46.74 -28:41:53.06 17.06 ± 0.08 0.33
97311 18:13:46.68 -28:41:50.89 17.18 ± 0.07 2.65
97379 18:13:46.55 -28:41:54.22 17.98 ± 0.07 3.20
97416 18:13:46.46 -28:41:51.83 16.99 ± 0.06 4.41

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 99.99 ± 99.99 3.15
2460245.939 (2023-Oct-28.439) 16.89 ± 0.10 3.70
2460246.866 (2023-Oct-29.366) 17.06 ± 0.10 3.67
2460246.913 (2023-Oct-29.413) 17.08 ± 0.09 3.31
2460246.937 (2023-Oct-29.437) 17.03 ± 0.13 3.89

Calibration: I = 27.40 - 2.5 log10(ΔF + 13727.77)

Single lens fit parameters

tmax =JD 2458002.29 ± 0.20 UT (2017-Sep-5.79)
tE =15.66 ± 3.90 days
u0 =0.9047 ± 0.2728
Ibase =16.30 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice