MOA 2020-BLG-251

Event Parameters

Internal ID:gb10-R-8-74265
Discovery date:2020-09-07T11:12:47
RA:18:01:21.94
Dec:-27:26:25.50
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
52861 18:01:22.19 -27:26:24.39 17.85 ± 0.12 4.41
52862 18:01:22.19 -27:26:26.43 18.72 ± 0.14 4.11
52936 18:01:22.06 -27:26:26.56 18.35 ± 0.15 2.27
52955 18:01:22.00 -27:26:29.81 19.77 ± 0.32 4.07
52987 18:01:21.98 -27:26:24.89 16.68 ± 0.16 1.71
53125 18:01:21.66 -27:26:28.28 18.76 ± 0.15 3.93

Last 5 photometry measurements

Observation dateI magseeing
2460611.898 (2024-Oct-28.398) 18.81 ± 0.30 4.39
2460611.910 (2024-Oct-28.410) 18.42 ± 0.28 4.85
2460611.920 (2024-Oct-28.420) 19.03 ± 0.60 4.68
2460614.864 (2024-Oct-31.364) 18.65 ± 0.75 5.24
2460614.874 (2024-Oct-31.374) 18.98 ± 0.53 4.86

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

Single lens fit parameters

tmax =JD 2459103.84 ± 0.00 UT (2020-Sep-11.34)
tE =6422.65 ± 4489.52 days
u0 =0.0000 ± 0.0000
Ibase =28.14 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice