MOA 2021-BLG-179

Event Parameters

Internal ID:gb4-R-9-85856
Discovery date:2021-06-10T22:14:18
RA:17:55:20.65
Dec:-30:39:43.49
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
104797 17:55:20.87 -30:39:43.23 18.57 ± 0.17 3.63
104903 17:55:20.68 -30:39:47.71 19.07 ± 0.14 3.87
104921 17:55:20.61 -30:39:44.30 16.00 ± 0.05 0.24
105023 17:55:20.35 -30:39:41.74 18.82 ± 0.15 4.18
105046 17:55:20.34 -30:39:46.50 15.07 ± 0.03 4.35

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 15.95 ± 0.02 3.52
2460246.898 (2023-Oct-29.398) 15.97 ± 0.03 3.25
2460246.909 (2023-Oct-29.409) 15.96 ± 0.03 3.47
2460246.920 (2023-Oct-29.420) 15.91 ± 0.04 3.78
2460246.929 (2023-Oct-29.429) 15.91 ± 0.04 3.72

Calibration: I = 27.40 - 2.5 log10(ΔF + 36374.75)

Single lens fit parameters

tmax =JD 2459415.01 ± 0.01 UT (2021-Jul-19.51)
tE =22.55 ± 0.23 days
u0 =0.5602 ± 0.0091
Ibase =15.51 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice