MOA 2021-BLG-217

Event Parameters

Internal ID:gb1-R-4-39277
Discovery date:2021-06-30T13:29:05
RA:17:45:47.39
Dec:-34:42:00.90
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
41606 17:45:47.13 -34:42:02.04 15.97 ± 0.04 4.35
41705 17:45:47.30 -34:41:56.84 16.81 ± 0.14 3.99
41753 17:45:47.38 -34:41:58.29 17.04 ± 0.05 2.21
41777 17:45:47.45 -34:42:00.35 17.58 ± 0.06 0.15
41804 17:45:47.50 -34:41:57.10 18.57 ± 0.07 3.48
41835 17:45:47.51 -34:42:01.92 19.59 ± 0.38 1.93
41854 17:45:47.60 -34:41:59.64 18.92 ± 0.12 2.32
41925 17:45:47.75 -34:42:00.48 19.45 ± 0.24 4.06

Last 5 photometry measurements

Observation dateI magseeing
2460610.905 (2024-Oct-27.405) 17.70 ± 0.23 4.89
2460610.936 (2024-Oct-27.436) 17.72 ± 0.15 4.55
2460611.881 (2024-Oct-28.381) 17.55 ± 0.08 3.95
2460611.917 (2024-Oct-28.417) 17.33 ± 0.13 4.81
2460614.881 (2024-Oct-31.381) 17.39 ± 0.17 4.46

Calibration: I = 27.40 - 2.5 log10(ΔF + 8441.12)

Single lens fit parameters

tmax =JD 2459403.49 ± 0.00 UT (2021-Jul-7.99)
tE =2.36 ± 0.00 days
u0 =47.5575 ± 0.0000
Ibase =1.21 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice