MOA 2021-BLG-198

Event Parameters

Internal ID:gb9-R-2-202034
Discovery date:2021-06-21T14:38:44
RA:17:57:09.13
Dec:-28:55:32.02
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
2268 17:57:08.93 -28:55:33.53 15.38 ± 0.03 3.95
2296 17:57:09.02 -28:55:30.50 15.94 ± 0.09 2.29
2301 17:57:09.08 -28:55:28.36 13.97 ± 0.02 3.44
2347 17:57:09.23 -28:55:32.07 16.07 ± 0.04 1.03
2382 17:57:09.36 -28:55:32.13 16.48 ± 0.06 2.66

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 15.49 ± 0.13 5.69
2460611.928 (2024-Oct-28.428) 15.78 ± 0.06 5.11
2460614.863 (2024-Oct-31.363) 15.70 ± 0.07 5.24
2460614.869 (2024-Oct-31.369) 15.66 ± 0.05 5.07
2460614.873 (2024-Oct-31.373) 15.52 ± 0.09 5.44

Calibration: I = 27.40 - 2.5 log10(ΔF + 34040.82)

Single lens fit parameters

tmax =JD 2459387.38 ± 0.04 UT (2021-Jun-21.88)
tE =0.96 ± 1.45 days
u0 =5.8733 ± 3.8369
Ibase =9.04 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice