MOA 2022-BLG-422

Event Parameters

Internal ID:gb13-R-9-78274
Discovery date:2022-07-27T16:47:42
RA:18:06:52.82
Dec:-28:49:10.71
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
57888 18:06:52.98 -28:49:13.40 14.07 ± 0.06 3.59
58021 18:06:52.87 -28:49:07.79 16.59 ± 0.12 3.87
58105 18:06:52.69 -28:49:07.54 15.45 ± 0.06 4.05
58132 18:06:52.66 -28:49:12.61 16.71 ± 0.08 2.05
58218 18:06:52.51 -28:49:12.59 18.02 ± 0.10 3.84

Last 5 photometry measurements

Observation dateI magseeing
2460536.994 (2024-Aug-14.494) 99.99 ± 99.99 2.70
2460537.034 (2024-Aug-14.534) 99.99 ± 99.99 3.19
2460537.069 (2024-Aug-14.569) 20.46 ± 3.46 4.53
2460537.106 (2024-Aug-14.606) 17.16 ± 0.30 4.77
2460537.136 (2024-Aug-14.636) 99.99 ± 99.99 5.50

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459790.71 ± 0.01 UT (2022-Jul-30.21)
tE =8.15 ± 0.45 days
u0 =0.0443 ± 0.0074
Ibase =18.00 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice