MOA 2023-BLG-078

Event Parameters

Internal ID:gb8-R-7-17400
Discovery date:2023-03-23T12:26:46
RA:18:02:51.76
Dec:-31:17:34.61
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
8240 18:02:52.07 -31:17:33.87 19.01 ± 0.13 4.95
8365 18:02:51.79 -31:17:34.25 18.26 ± 0.11 1.40
8428 18:02:51.65 -31:17:39.59 15.48 ± 0.03 4.63
8489 18:02:51.51 -31:17:33.31 18.67 ± 0.13 3.48

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 18.16 ± 0.24 3.51
2460245.921 (2023-Oct-28.421) 19.47 ± 3.85 5.11
2460246.858 (2023-Oct-29.358) 18.19 ± 0.21 3.53
2460246.891 (2023-Oct-29.391) 18.66 ± 0.45 3.71
2460246.925 (2023-Oct-29.425) 18.79 ± 0.55 3.36

Calibration: I = 27.40 - 2.5 log10(ΔF + 4533.15)

Single lens fit parameters

tmax =JD 2460026.25 ± 0.08 UT (2023-Mar-22.75)
tE =15.84 ± 4.55 days
u0 =0.1063 ± 0.0595
Ibase =20.74 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice