MOA 2022-BLG-420

Event Parameters

Internal ID:gb14-R-3-77803
Discovery date:2022-07-27T10:14:53
RA:18:05:23.60
Dec:-27:30:12.27
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
84922 18:05:23.38 -27:30:10.14 17.43 ± 0.10 3.92
84950 18:05:23.41 -27:30:14.08 18.73 ± 0.19 3.99
85084 18:05:23.66 -27:30:15.56 17.72 ± 0.20 4.01
85085 18:05:23.65 -27:30:11.00 17.39 ± 0.19 0.72
85109 18:05:23.69 -27:30:07.81 14.83 ± 0.05 4.05
85218 18:05:23.86 -27:30:10.87 18.95 ± 0.34 3.17
85269 18:05:23.94 -27:30:13.81 18.25 ± 0.22 4.63
85270 18:05:23.95 -27:30:11.76 18.81 ± 0.19 4.29

Last 5 photometry measurements

Observation dateI magseeing
2460537.079 (2024-Aug-14.579) 16.49 ± 0.18 5.13
2460537.090 (2024-Aug-14.590) 16.82 ± 0.18 4.62
2460537.105 (2024-Aug-14.605) 17.44 ± 0.50 4.95
2460537.116 (2024-Aug-14.616) 16.94 ± 0.45 5.13
2460537.127 (2024-Aug-14.627) 16.15 ± 0.30 5.72

Calibration: I = 27.40 - 2.5 log10(ΔF + 10064.68)

Single lens fit parameters

tmax =JD 2459787.84 ± 0.01 UT (2022-Jul-27.34)
tE =7790.99 ± 6862.53 days
u0 =0.0001 ± 0.0008
Ibase =27.03 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice