MOA 2022-BLG-198

Event Parameters

Internal ID:gb17-R-9-27664
Discovery date:2022-04-27T22:41:32
RA:18:13:45.68
Dec:-27:10:39.39
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
134818 18:13:45.84 -27:10:38.22 17.17 ± 0.17 3.42
134892 18:13:45.72 -27:10:40.25 16.47 ± 0.12 1.29
134893 18:13:45.73 -27:10:44.22 19.62 ± 0.23 4.58
135004 18:13:45.53 -27:10:37.78 16.54 ± 0.10 2.66
135071 18:13:45.40 -27:10:36.29 17.65 ± 0.12 4.99
135102 18:13:45.32 -27:10:39.42 19.65 ± 0.34 4.38

Last 5 photometry measurements

Observation dateI magseeing
2460536.973 (2024-Aug-14.473) 16.47 ± 0.02 2.83
2460537.010 (2024-Aug-14.510) 16.50 ± 0.02 2.95
2460537.047 (2024-Aug-14.547) 16.59 ± 0.07 4.21
2460537.082 (2024-Aug-14.582) 16.59 ± 0.07 4.19
2460537.119 (2024-Aug-14.619) 17.03 ± 0.40 5.35

Calibration: I = 27.40 - 2.5 log10(ΔF + 23463.89)

Single lens fit parameters

tmax =JD 2459697.57 ± 0.00 UT (2022-Apr-28.07)
tE =6347.47 ± 5385.86 days
u0 =0.0001 ± 0.0005
Ibase =27.32 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice