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
2460611.889 (2024-Oct-28.389) 15.67 ± 0.05 4.62
2460611.902 (2024-Oct-28.402) 15.77 ± 0.03 3.84
2460611.913 (2024-Oct-28.413) 15.77 ± 0.07 5.19
2460611.924 (2024-Oct-28.424) 15.62 ± 0.05 4.92
2460614.877 (2024-Oct-31.377) 15.83 ± 0.06 4.94

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