MOA 2021-BLG-255

Event Parameters

Internal ID:gb17-R-4-26934
Discovery date:2021-07-12T00:53:12
RA:18:09:10.14
Dec:-27:52:18.85
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
4834 18:09:09.93 -27:52:20.54 18.20 ± 0.10 4.22
4835 18:09:09.92 -27:52:16.44 19.24 ± 0.24 4.09
4955 18:09:10.19 -27:52:17.96 15.99 ± 0.03 0.34
4991 18:09:10.23 -27:52:14.72 19.41 ± 0.26 3.80
5054 18:09:10.38 -27:52:20.32 18.22 ± 0.11 3.51
5102 18:09:10.45 -27:52:17.79 19.96 ± 0.37 3.78

Last 5 photometry measurements

Observation dateI magseeing
2460570.962 (2024-Sep-17.462) 15.98 ± 0.03 3.50
2460571.002 (2024-Sep-17.502) 15.98 ± 0.04 4.38
2460571.035 (2024-Sep-17.535) 15.93 ± 0.05 4.47
2460572.901 (2024-Sep-19.401) 15.90 ± 0.02 3.99
2460572.948 (2024-Sep-19.448) 15.88 ± 0.02 3.95

Calibration: I = 27.40 - 2.5 log10(ΔF + 36610.02)

Single lens fit parameters

tmax =JD 2459380.97 ± 0.00 UT (2021-Jun-15.47)
tE =3.57 ± 0.00 days
u0 =43.5325 ± 0.0059
Ibase =2.91 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice