MOA 2019-BLG-256

Event Parameters

Internal ID:gb10-R-8-67987
Discovery date:2019-06-13T15:53:38
RA:18:02:11.30
Dec:-27:29:51.59
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
126431 18:02:11.58 -27:29:53.12 19.69 ± 0.41 4.65
126477 18:02:11.49 -27:29:49.20 19.56 ± 0.18 4.50
126601 18:02:11.30 -27:29:48.63 18.05 ± 0.12 3.73
126631 18:02:11.25 -27:29:51.71 15.08 ± 0.04 0.49
126731 18:02:11.04 -27:29:49.57 16.97 ± 0.12 4.03
126774 18:02:10.97 -27:29:54.02 16.43 ± 0.06 4.38

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 15.08 ± 0.01 3.52
2460246.886 (2023-Oct-29.386) 15.07 ± 0.01 3.65
2460246.897 (2023-Oct-29.397) 15.07 ± 0.01 3.11
2460246.908 (2023-Oct-29.408) 15.08 ± 0.01 3.48
2460246.919 (2023-Oct-29.419) 15.07 ± 0.01 3.99

Calibration: I = 27.40 - 2.5 log10(ΔF + 84488.97)

Single lens fit parameters

tmax =JD 2458661.95 ± 0.00 UT (2019-Jun-27.45)
tE =0.46 ± 0.04 days
u0 =6.3148 ± 0.5376
Ibase =5.38 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice