MOA 2018-BLG-398

Event Parameters

Internal ID:gb20-R-1-22935
Discovery date:2018-10-07T14:57:24
RA:18:17:39.56
Dec:-22:56:03.19
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
137998 18:17:39.49 -22:56:00.40 18.68 ± 0.07 2.80
138053 18:17:39.58 -22:56:02.86 16.75 ± 0.10 0.39
138071 18:17:39.64 -22:56:05.44 16.77 ± 0.06 3.05
138131 18:17:39.80 -22:55:58.85 18.48 ± 0.08 4.96

Last 5 photometry measurements

Observation dateI magseeing
2460595.866 (2024-Oct-12.366) 16.89 ± 0.17 5.98
2460595.937 (2024-Oct-12.437) 16.73 ± 0.06 4.82
2460598.906 (2024-Oct-15.406) 16.78 ± 0.04 3.85
2460599.874 (2024-Oct-16.374) 16.79 ± 0.03 3.42
2460599.953 (2024-Oct-16.453) 16.77 ± 0.05 3.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 18163.52)

Single lens fit parameters

tmax =JD 2458400.19 ± 0.08 UT (2018-Oct-8.69)
tE =45.49 ± 2.54 days
u0 =0.0987 ± 0.0064
Ibase =19.13 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice