MOA 2023-BLG-209

Event Parameters

Internal ID:gb13-R-4-98349
Discovery date:2023-05-22T17:43:57
RA:18:04:27.65
Dec:-29:37:39.68
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
43467 18:04:27.40 -29:37:36.99 18.39 ± 0.15 4.54
43512 18:04:27.50 -29:37:40.94 15.97 ± 0.04 3.33
43579 18:04:27.60 -29:37:42.72 18.13 ± 0.10 3.99
43580 18:04:27.66 -29:37:36.90 18.78 ± 0.24 2.33
43604 18:04:27.68 -29:37:39.76 16.04 ± 0.07 0.72
43690 18:04:27.99 -29:37:39.90 17.49 ± 0.14 3.88

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 15.97 ± 0.02 3.34
2460245.920 (2023-Oct-28.420) 15.96 ± 0.03 3.90
2460246.857 (2023-Oct-29.357) 16.00 ± 0.03 3.68
2460246.890 (2023-Oct-29.390) 15.98 ± 0.03 3.65
2460246.924 (2023-Oct-29.424) 16.10 ± 0.04 3.67

Calibration: I = 27.40 - 2.5 log10(ΔF + 35026.76)

Single lens fit parameters

tmax =JD 2460091.33 ± 0.08 UT (2023-May-26.83)
tE =7.76 ± 3.82 days
u0 =1.8922 ± 0.8366
Ibase =15.11 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice