MOA 2021-BLG-090

Event Parameters

Internal ID:gb1-R-6-33597
Discovery date:2021-04-19T20:31:37
RA:17:49:29.60
Dec:-34:55:59.02
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
34342 17:49:29.90 -34:55:57.79 18.39 ± 0.10 4.83
34490 17:49:29.60 -34:55:55.88 18.88 ± 0.13 3.96
34491 17:49:29.58 -34:55:59.27 15.69 ± 0.13 0.44
34575 17:49:29.40 -34:56:03.74 17.59 ± 0.04 4.75
34677 17:49:29.21 -34:56:00.54 17.95 ± 0.04 4.57

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 15.51 ± 0.03 3.44
2460245.937 (2023-Oct-28.437) 15.65 ± 0.05 4.01
2460246.859 (2023-Oct-29.359) 15.61 ± 0.03 3.79
2460246.892 (2023-Oct-29.392) 15.65 ± 0.03 3.72
2460246.926 (2023-Oct-29.426) 15.64 ± 0.04 3.71

Calibration: I = 27.40 - 2.5 log10(ΔF + 48528.85)

Single lens fit parameters

tmax =JD 2459328.86 ± 0.15 UT (2021-Apr-24.36)
tE =64.90 ± 5.64 days
u0 =0.6012 ± 0.0717
Ibase =17.41 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice