MOA 2021-BLG-104

Event Parameters

Internal ID:gb14-R-4-90838
Discovery date:2021-05-02T12:37:26
RA:18:04:52.53
Dec:-27:49:34.62
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
172698 18:04:52.23 -27:49:33.06 17.38 ± 0.14 4.80
172720 18:04:52.30 -27:49:35.99 18.60 ± 0.15 4.26
172803 18:04:52.43 -27:49:35.49 18.86 ± 0.24 2.43
172831 18:04:52.49 -27:49:29.64 17.89 ± 0.19 4.69
172891 18:04:52.58 -27:49:33.85 16.74 ± 0.10 0.21
172944 18:04:52.66 -27:49:31.82 17.66 ± 0.09 2.59
172945 18:04:52.65 -27:49:29.74 19.27 ± 0.30 4.58
172997 18:04:52.78 -27:49:36.10 18.11 ± 0.20 3.54

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 16.69 ± 0.04 3.50
2460246.889 (2023-Oct-29.389) 16.75 ± 0.05 3.61
2460246.901 (2023-Oct-29.401) 16.65 ± 0.04 2.98
2460246.911 (2023-Oct-29.411) 16.84 ± 0.05 3.55
2460246.923 (2023-Oct-29.423) 16.77 ± 0.06 3.87

Calibration: I = 27.40 - 2.5 log10(ΔF + 18297.85)

Single lens fit parameters

tmax =JD 2459411.57 ± 0.03 UT (2021-Jul-16.07)
tE =3204.39 ± 1.49 days
u0 =0.0103 ± 0.0000
Ibase =21.64 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice