MOA 2021-BLG-403

Event Parameters

Internal ID:gb14-R-4-97592
Discovery date:2021-09-27T12:59:00
RA:18:03:57.51
Dec:-27:48:00.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
139253 18:03:57.24 -27:48:01.03 15.80 ± 0.08 4.51
139363 18:03:57.44 -27:47:57.33 16.40 ± 0.07 3.24
139415 18:03:57.52 -27:47:55.76 17.46 ± 0.19 4.47
139444 18:03:57.56 -27:47:59.82 15.54 ± 0.03 0.24
139575 18:03:57.82 -27:48:01.79 18.16 ± 0.14 4.11

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 15.51 ± 0.02 3.43
2460246.889 (2023-Oct-29.389) 15.52 ± 0.02 3.60
2460246.901 (2023-Oct-29.401) 15.50 ± 0.03 3.27
2460246.911 (2023-Oct-29.411) 15.51 ± 0.03 3.49
2460246.923 (2023-Oct-29.423) 15.53 ± 0.03 3.86

Calibration: I = 27.40 - 2.5 log10(ΔF + 55207.74)

Single lens fit parameters

tmax =JD 2459484.52 ± 0.02 UT (2021-Sep-27.02)
tE =2.18 ± 0.06 days
u0 =0.2478 ± 0.0101
Ibase =15.16 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice