MOA 2023-BLG-004

Event Parameters

Internal ID:gb12-R-9-26012
Discovery date:2023-02-22T19:49:14
RA:18:08:53.31
Dec:-30:35:43.58
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
7283 18:08:53.40 -30:35:41.66 17.41 ± 0.09 3.18
7284 18:08:53.41 -30:35:44.86 19.32 ± 0.14 2.13
7395 18:08:53.15 -30:35:42.43 16.47 ± 0.14 2.38
7416 18:08:53.16 -30:35:46.29 18.83 ± 0.07 2.64
7417 18:08:53.17 -30:35:48.13 17.81 ± 0.07 4.37

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 99.99 ± 99.99 4.33
2460245.869 (2023-Oct-28.369) 99.99 ± 99.99 3.25
2460245.912 (2023-Oct-28.412) 20.61 ± 1.71 3.38
2460246.868 (2023-Oct-29.368) 99.99 ± 99.99 3.67
2460246.916 (2023-Oct-29.416) 21.04 ± 2.02 3.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460007.49 ± 0.01 UT (2023-Mar-3.99)
tE =53.88 ± 2.52 days
u0 =0.0339 ± 0.0018
Ibase =19.33 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice