MOA 2021-BLG-219

Event Parameters

Internal ID:gb14-R-4-91686
Discovery date:2021-06-30T22:37:34
RA:18:05:08.52
Dec:-27:44:06.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
182520 18:05:08.29 -27:44:03.16 15.46 ± 0.06 4.68
182546 18:05:08.32 -27:44:05.86 17.86 ± 0.13 3.33
182632 18:05:08.44 -27:44:08.76 18.26 ± 0.25 3.38
182656 18:05:08.51 -27:44:02.37 15.13 ± 0.05 3.75
182725 18:05:08.63 -27:44:05.09 15.86 ± 0.11 1.24
182774 18:05:08.73 -27:44:07.40 14.80 ± 0.05 2.76

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 15.84 ± 0.02 3.44
2460246.889 (2023-Oct-29.389) 15.80 ± 0.03 3.64
2460246.901 (2023-Oct-29.401) 15.73 ± 0.04 2.91
2460246.911 (2023-Oct-29.411) 15.77 ± 0.03 3.60
2460246.923 (2023-Oct-29.423) 15.69 ± 0.04 3.87

Calibration: I = 27.40 - 2.5 log10(ΔF + 41380.91)

Single lens fit parameters

tmax =JD 2459409.69 ± 0.06 UT (2021-Jul-14.19)
tE =16.46 ± 2.50 days
u0 =1.1212 ± 0.2131
Ibase =16.25 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice