MOA 2019-BLG-171

Event Parameters

Internal ID:gb17-R-2-18426
Discovery date:2019-04-22T13:01:01
RA:18:11:14.81
Dec:-27:12:18.36
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
41898 18:11:14.57 -27:12:16.57 16.51 ± 0.05 4.12
41980 18:11:14.78 -27:12:19.49 18.43 ± 0.08 2.05
42000 18:11:14.85 -27:12:17.84 17.85 ± 0.06 0.08
42001 18:11:14.84 -27:12:14.58 17.93 ± 0.13 3.31
42076 18:11:15.02 -27:12:18.63 18.30 ± 0.11 2.56
42077 18:11:15.04 -27:12:16.75 18.11 ± 0.15 2.86

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.61 ± 0.06 3.06
2460245.931 (2023-Oct-28.431) 17.59 ± 0.09 3.24
2460246.862 (2023-Oct-29.362) 17.64 ± 0.06 3.61
2460246.903 (2023-Oct-29.403) 17.67 ± 0.07 3.41
2460246.931 (2023-Oct-29.431) 17.63 ± 0.11 3.75

Calibration: I = 27.40 - 2.5 log10(ΔF + 6631.32)

Single lens fit parameters

tmax =JD 2458592.13 ± 0.00 UT (2019-Apr-18.63)
tE =0.03 ± 0.21 days
u0 =6.6398 ± 6.1506
Ibase =9.46 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice