MOA 2022-BLG-470

Event Parameters

Internal ID:gb1-R-3-28954
Discovery date:2022-08-28T14:09:17
RA:17:45:45.67
Dec:-34:13:09.89
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
141393 17:45:45.59 -34:13:08.40 19.49 ± 0.21 1.88
141394 17:45:45.52 -34:13:05.93 18.43 ± 0.12 4.37
141450 17:45:45.52 -34:13:09.24 19.74 ± 0.29 2.58
141496 17:45:45.69 -34:13:08.30 19.48 ± 0.23 1.10
141559 17:45:45.87 -34:13:11.23 17.88 ± 0.15 2.76
141560 17:45:45.88 -34:13:06.17 19.70 ± 0.48 3.82
141636 17:45:46.00 -34:13:11.51 16.47 ± 0.09 4.23
141637 17:45:45.98 -34:13:07.39 17.30 ± 0.07 3.92

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 20.26 ± 2.04 3.50
2460245.937 (2023-Oct-28.437) 99.99 ± 99.99 3.67
2460246.859 (2023-Oct-29.359) 18.57 ± 0.33 3.72
2460246.892 (2023-Oct-29.392) 99.99 ± 99.99 3.73
2460246.926 (2023-Oct-29.426) 99.99 ± 99.99 3.96

Calibration: I = 27.40 - 2.5 log10(ΔF + 1465.55)

Single lens fit parameters

tmax =JD 2459821.72 ± 0.02 UT (2022-Aug-30.22)
tE =31.73 ± 3.18 days
u0 =0.0304 ± 0.0039
Ibase =20.49 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice