MOA 2021-BLG-209

Event Parameters

Internal ID:gb18-R-4-26746
Discovery date:2021-06-23T00:23:32
RA:18:11:56.11
Dec:-26:11:58.52
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
96245 18:11:55.98 -26:11:59.85 17.80 ± 0.13 3.11
96279 18:11:56.05 -26:11:55.81 18.23 ± 0.13 2.63
96336 18:11:56.12 -26:12:01.27 19.36 ± 0.16 3.49
96364 18:11:56.16 -26:11:54.02 17.41 ± 0.07 4.08
96415 18:11:56.25 -26:12:00.46 19.98 ± 0.26 2.98
96490 18:11:56.40 -26:11:58.61 18.65 ± 0.11 3.50
96491 18:11:56.39 -26:11:55.36 19.83 ± 0.16 4.32

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 21.92 ± 4.10 3.36
2460245.862 (2023-Oct-28.362) 99.99 ± 99.99 3.54
2460245.898 (2023-Oct-28.398) 99.99 ± 99.99 3.22
2460246.861 (2023-Oct-29.361) 99.99 ± 99.99 3.79
2460246.902 (2023-Oct-29.402) 99.99 ± 99.99 3.28

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459390.50 ± 0.02 UT (2021-Jun-25.00)
tE =34.95 ± 2.00 days
u0 =0.0000 ± 0.0015
Ibase =20.29 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice