MOA 2021-BLG-200

Event Parameters

Internal ID:gb18-R-8-15006
Discovery date:2021-06-21T16:03:20
RA:18:13:29.95
Dec:-25:49:14.87
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
145831 18:13:30.23 -25:49:13.54 17.42 ± 0.05 4.98
145929 18:13:30.07 -25:49:12.13 18.08 ± 0.12 4.14
145955 18:13:30.02 -25:49:16.67 17.68 ± 0.11 2.04
146037 18:13:29.91 -25:49:15.21 16.26 ± 0.03 0.28
146129 18:13:29.75 -25:49:13.16 19.83 ± 0.33 3.22
146130 18:13:29.70 -25:49:18.44 17.20 ± 0.17 4.16

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 16.20 ± 0.02 3.50
2460245.862 (2023-Oct-28.362) 16.27 ± 0.02 3.56
2460245.898 (2023-Oct-28.398) 16.23 ± 0.02 3.18
2460246.861 (2023-Oct-29.361) 16.28 ± 0.02 3.86
2460246.902 (2023-Oct-29.402) 16.18 ± 0.02 3.34

Calibration: I = 27.40 - 2.5 log10(ΔF + 28549.60)

Single lens fit parameters

tmax =JD 2459394.37 ± 0.02 UT (2021-Jun-28.87)
tE =6.99 ± 0.20 days
u0 =1.2399 ± 0.0472
Ibase =15.17 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice