MOA 2022-BLG-281

Event Parameters

Internal ID:gb14-R-4-105600
Discovery date:2022-06-13T10:46:59
RA:18:04:07.71
Dec:-27:42:39.96
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
145445 18:04:07.46 -27:42:41.45 19.28 ± 0.29 4.67
145581 18:04:07.68 -27:42:35.40 16.67 ± 0.10 4.25
145621 18:04:07.77 -27:42:38.74 17.09 ± 0.08 0.70
145644 18:04:07.80 -27:42:37.34 17.18 ± 0.07 2.21
145724 18:04:07.94 -27:42:43.21 18.28 ± 0.16 4.70
145725 18:04:07.97 -27:42:39.83 15.76 ± 0.07 2.96

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.35 ± 0.11 3.45
2460246.889 (2023-Oct-29.389) 17.46 ± 0.11 3.59
2460246.901 (2023-Oct-29.401) 17.39 ± 0.11 3.19
2460246.911 (2023-Oct-29.411) 17.55 ± 0.14 3.48
2460246.923 (2023-Oct-29.423) 17.79 ± 0.22 3.91

Calibration: I = 27.40 - 2.5 log10(ΔF + 13304.54)

Single lens fit parameters

tmax =JD 2459756.25 ± 0.04 UT (2022-Jun-25.75)
tE =41.13 ± 0.64 days
u0 =0.2597 ± 0.0068
Ibase =17.27 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice