MOA 2023-BLG-222

Event Parameters

Internal ID:gb3-R-5-46831
Discovery date:2023-06-02T19:23:09
RA:17:51:48.43
Dec:-33:33:03.67
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
16854 17:51:48.34 -33:33:03.93 18.32 ± 0.05 2.06
16873 17:51:48.41 -33:32:59.99 17.48 ± 0.10 3.42
16911 17:51:48.50 -33:33:02.63 17.60 ± 0.07 0.59
17005 17:51:48.83 -33:33:01.56 16.89 ± 0.03 4.97

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 17.58 ± 0.08 3.22
2460246.910 (2023-Oct-29.410) 17.60 ± 0.11 3.36
2460246.922 (2023-Oct-29.422) 17.63 ± 0.14 3.75
2460246.930 (2023-Oct-29.430) 17.69 ± 0.14 3.60
2460246.933 (2023-Oct-29.433) 17.70 ± 0.15 3.76

Calibration: I = 27.40 - 2.5 log10(ΔF + 8332.97)

Single lens fit parameters

tmax =JD 2460104.81 ± 0.00 UT (2023-Jun-9.31)
tE =13.44 ± 0.03 days
u0 =0.0418 ± 0.0001
Ibase =16.89 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice