MOA 2022-BLG-172

Event Parameters

Internal ID:gb17-R-5-123981
Discovery date:2022-04-14T17:58:32
RA:18:11:17.04
Dec:-28:06:34.70
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
134772 18:11:16.89 -28:06:32.29 17.68 ± 0.14 3.29
134850 18:11:17.05 -28:06:34.47 17.77 ± 0.13 0.66
134875 18:11:16.97 -28:06:36.56 15.85 ± 0.08 3.00
134938 18:11:17.22 -28:06:30.74 17.89 ± 0.06 4.03
134963 18:11:17.26 -28:06:36.29 18.45 ± 0.11 3.31

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.66 ± 0.09 3.15
2460245.931 (2023-Oct-28.431) 17.74 ± 0.11 3.32
2460246.862 (2023-Oct-29.362) 17.65 ± 0.09 3.56
2460246.903 (2023-Oct-29.403) 17.66 ± 0.10 3.32
2460246.931 (2023-Oct-29.431) 17.76 ± 0.14 3.74

Calibration: I = 27.40 - 2.5 log10(ΔF + 7092.51)

Single lens fit parameters

tmax =JD 2459684.60 ± 0.03 UT (2022-Apr-15.10)
tE =6.62 ± 0.89 days
u0 =0.0175 ± 0.0046
Ibase =19.75 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice