MOA 2022-BLG-488

Event Parameters

Internal ID:gb5-R-6-192667
Discovery date:2022-09-09T19:22:11
RA:17:54:56.87
Dec:-30:05:31.43
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
130508 17:54:57.06 -30:05:29.53 18.35 ± 0.10 4.08
130526 17:54:57.00 -30:05:34.62 18.46 ± 0.26 3.72
130608 17:54:56.80 -30:05:32.26 15.94 ± 0.07 0.39
130609 17:54:56.80 -30:05:35.99 19.02 ± 0.42 4.23
130630 17:54:56.76 -30:05:29.13 17.19 ± 0.10 3.20
130712 17:54:56.58 -30:05:32.15 16.41 ± 0.05 3.23

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.88 ± 0.07 3.95
2460246.883 (2023-Oct-29.383) 15.90 ± 0.04 3.69
2460246.895 (2023-Oct-29.395) 16.00 ± 0.04 3.60
2460246.905 (2023-Oct-29.405) 15.98 ± 0.04 3.37
2460246.917 (2023-Oct-29.417) 16.06 ± 0.05 3.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 38441.47)

Single lens fit parameters

tmax =JD 2459874.20 ± 0.23 UT (2022-Oct-21.70)
tE =2739.46 ± 14.61 days
u0 =0.0048 ± 0.0000
Ibase =21.92 ± 0.35

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice