MOA 2022-BLG-022

Event Parameters

Internal ID:gb10-R-5-130820
Discovery date:2022-02-20T20:27:30
RA:17:59:47.79
Dec:-28:13:56.43
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
71009 17:59:47.66 -28:13:54.45 18.22 ± 0.08 2.86
71034 17:59:47.72 -28:13:58.18 17.49 ± 0.06 2.90
71053 17:59:47.76 -28:13:51.90 16.04 ± 0.03 4.32
71096 17:59:47.87 -28:13:54.72 18.75 ± 0.12 1.28

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 18.82 ± 0.36 3.72
2460246.886 (2023-Oct-29.386) 18.88 ± 0.37 3.83
2460246.897 (2023-Oct-29.397) 18.50 ± 0.26 3.38
2460246.908 (2023-Oct-29.408) 18.78 ± 0.33 3.62
2460246.919 (2023-Oct-29.419) 18.66 ± 0.49 4.14

Calibration: I = 27.40 - 2.5 log10(ΔF + 2873.43)

Single lens fit parameters

tmax =JD 2459632.86 ± 0.02 UT (2022-Feb-22.36)
tE =9.17 ± 0.33 days
u0 =0.1160 ± 0.0070
Ibase =18.84 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice