MOA 2020-BLG-278

Event Parameters

Internal ID:gb8-R-4-21662
Discovery date:2020-09-29T17:19:57
RA:17:59:22.27
Dec:-31:19:15.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
150114 17:59:22.19 -31:19:15.85 18.76 ± 0.17 1.82
150139 17:59:22.23 -31:19:12.68 16.98 ± 0.05 2.66
150182 17:59:22.34 -31:19:14.98 19.05 ± 0.21 0.31
150293 17:59:22.55 -31:19:17.59 14.94 ± 0.05 4.05
150294 17:59:22.56 -31:19:13.16 17.10 ± 0.16 3.81

Last 5 photometry measurements

Observation dateI magseeing
2460610.904 (2024-Oct-27.404) 20.21 ± 2.06 4.86
2460610.934 (2024-Oct-27.434) 99.99 ± 99.99 4.73
2460611.879 (2024-Oct-28.379) 19.72 ± 0.95 4.06
2460611.916 (2024-Oct-28.416) 99.99 ± 99.99 5.66
2460614.880 (2024-Oct-31.380) 99.99 ± 99.99 5.04

Calibration: I = 27.40 - 2.5 log10(ΔF + 2189.78)

Single lens fit parameters

tmax =JD 2459122.11 ± 0.05 UT (2020-Sep-29.61)
tE =25.85 ± 4.53 days
u0 =0.0361 ± 0.0110
Ibase =19.68 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice