MOA 2022-BLG-311

Event Parameters

Internal ID:gb7-R-10-16012
Discovery date:2022-06-18T15:53:07
RA:18:00:11.88
Dec:-32:03:34.46
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
139174 18:00:12.15 -32:03:35.26 19.02 ± 0.14 4.17
139230 18:00:12.02 -32:03:37.44 16.23 ± 0.08 3.54
139291 18:00:11.88 -32:03:33.39 15.13 ± 0.14 1.85
139384 18:00:11.62 -32:03:38.10 17.84 ± 0.06 4.24
139401 18:00:11.60 -32:03:35.70 16.87 ± 0.07 3.15

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 19.09 ± 0.72 3.50
2460245.940 (2023-Oct-28.440) 17.68 ± 0.28 3.64
2460246.867 (2023-Oct-29.367) 18.72 ± 0.46 3.62
2460246.915 (2023-Oct-29.415) 18.59 ± 0.47 3.42
2460246.938 (2023-Oct-29.438) 18.08 ± 0.38 4.03

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

Single lens fit parameters

tmax =JD 2459748.53 ± 0.04 UT (2022-Jun-18.03)
tE =4219.11 ± 3999.85 days
u0 =0.0001 ± 0.0025
Ibase =27.11 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice