MOA 2022-BLG-549

Event Parameters

Internal ID:gb9-R-9-160045
Discovery date:2022-10-07T12:47:22
RA:18:00:23.86
Dec:-28:55:25.15
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
149682 18:00:24.04 -28:55:22.37 15.25 ± 0.10 4.63
149729 18:00:23.96 -28:55:26.22 15.49 ± 0.06 1.98
149768 18:00:23.90 -28:55:30.09 17.67 ± 0.13 4.64
149820 18:00:23.81 -28:55:25.13 15.83 ± 0.06 0.66
149888 18:00:23.65 -28:55:25.75 15.56 ± 0.08 2.23
149905 18:00:23.62 -28:55:23.38 17.82 ± 0.17 3.64
149943 18:00:23.52 -28:55:28.22 15.58 ± 0.07 4.80

Last 5 photometry measurements

Observation dateI magseeing
2460537.085 (2024-Aug-14.585) 15.94 ± 0.06 4.30
2460537.100 (2024-Aug-14.600) 16.21 ± 0.16 5.23
2460537.112 (2024-Aug-14.612) 15.88 ± 0.10 4.70
2460537.122 (2024-Aug-14.622) 15.27 ± 0.11 5.72
2460537.133 (2024-Aug-14.633) 16.40 ± 0.47 5.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 42579.45)

Single lens fit parameters

tmax =JD 2459873.10 ± 0.02 UT (2022-Oct-20.60)
tE =11.07 ± 0.33 days
u0 =0.3380 ± 0.0214
Ibase =15.84 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice