MOA 2021-BLG-216

Event Parameters

Internal ID:gb1-R-4-37983
Discovery date:2021-06-30T13:29:00
RA:17:47:03.16
Dec:-34:28:55.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
174480 17:47:03.02 -34:28:59.37 18.90 ± 0.08 4.81
174481 17:47:03.03 -34:28:52.73 17.04 ± 0.17 3.61
174533 17:47:03.15 -34:28:57.74 19.20 ± 0.17 2.57
174550 17:47:03.18 -34:28:55.49 18.23 ± 0.12 0.37
174642 17:47:03.38 -34:28:53.28 15.99 ± 0.06 3.06
174670 17:47:03.43 -34:28:58.61 15.46 ± 0.03 4.36

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 17.93 ± 0.15 3.54
2460245.937 (2023-Oct-28.437) 18.28 ± 0.26 3.73
2460246.859 (2023-Oct-29.359) 17.90 ± 0.14 3.75
2460246.892 (2023-Oct-29.392) 18.51 ± 0.28 3.70
2460246.926 (2023-Oct-29.426) 18.03 ± 0.22 3.71

Calibration: I = 27.40 - 2.5 log10(ΔF + 4660.15)

Single lens fit parameters

tmax =JD 2459393.92 ± 0.23 UT (2021-Jun-28.42)
tE =168.22 ± 18.28 days
u0 =0.0776 ± 0.0125
Ibase =20.62 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice