MOA 2017-BLG-488

Event Parameters

Internal ID:gb2-R-3-20719
Discovery date:2017-09-20T14:40:26
RA:17:53:32.84
Dec:-34:29:35.59
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
82136 17:53:32.55 -34:29:32.89 17.31 ± 0.21 4.88
82245 17:53:32.72 -34:29:31.64 18.35 ± 0.18 4.11
82280 17:53:32.79 -34:29:33.83 16.99 ± 0.15 1.81
82326 17:53:32.89 -34:29:36.85 15.16 ± 0.08 1.91
82372 17:53:32.98 -34:29:33.32 18.05 ± 0.15 2.07
82541 17:53:33.24 -34:29:36.82 19.02 ± 0.32 4.76

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 18.74 ± 0.29 3.46
2460246.904 (2023-Oct-29.404) 18.58 ± 0.34 3.09
2460246.932 (2023-Oct-29.432) 18.86 ± 0.64 3.78
2460246.936 (2023-Oct-29.436) 19.90 ± 1.48 3.55
2460246.939 (2023-Oct-29.439) 18.61 ± 0.47 3.65

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458017.66 ± 0.02 UT (2017-Sep-21.16)
tE =20939.11 ± 19280.70 days
u0 =0.0000 ± 0.0003
Ibase =28.14 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice