MOA 2022-BLG-485

Event Parameters

Internal ID:gb4-R-6-74605
Discovery date:2022-09-09T11:50:21
RA:17:55:44.60
Dec:-31:45:41.84
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
112376 17:55:44.81 -31:45:45.59 15.38 ± 0.08 4.86
112471 17:55:44.56 -31:45:41.97 16.07 ± 0.03 0.49
112552 17:55:44.37 -31:45:45.72 17.81 ± 0.08 4.20
112576 17:55:44.33 -31:45:43.08 18.63 ± 0.15 3.08

Last 5 photometry measurements

Observation dateI magseeing
2460537.087 (2024-Aug-14.587) 16.19 ± 0.09 4.70
2460537.102 (2024-Aug-14.602) 16.17 ± 0.14 4.64
2460537.114 (2024-Aug-14.614) 15.92 ± 0.11 4.87
2460537.124 (2024-Aug-14.624) 15.67 ± 0.21 5.81
2460537.134 (2024-Aug-14.634) 18.38 ± 2.17 5.50

Calibration: I = 27.40 - 2.5 log10(ΔF + 33915.64)

Single lens fit parameters

tmax =JD 2459831.29 ± 0.02 UT (2022-Sep-8.79)
tE =5841.49 ± 196.29 days
u0 =0.0000 ± 0.0000
Ibase =28.20 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice