MOA 2019-BLG-250

Event Parameters

Internal ID:gb13-R-5-78292
Discovery date:2019-06-05T19:08:14
RA:18:03:56.92
Dec:-30:02:56.35
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
23178 18:03:56.75 -30:02:58.97 18.73 ± 0.20 4.47
23230 18:03:56.88 -30:02:53.89 16.58 ± 0.04 2.31
23247 18:03:56.94 -30:02:55.74 17.23 ± 0.03 0.31
23281 18:03:57.02 -30:02:57.01 18.10 ± 0.08 1.48
23304 18:03:57.06 -30:02:51.83 15.49 ± 0.03 4.45
23357 18:03:57.24 -30:02:55.58 18.11 ± 0.09 3.75

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 17.55 ± 0.14 3.65
2460245.920 (2023-Oct-28.420) 17.54 ± 0.19 3.88
2460246.857 (2023-Oct-29.357) 17.36 ± 0.13 3.92
2460246.890 (2023-Oct-29.390) 17.34 ± 0.12 3.88
2460246.924 (2023-Oct-29.424) 17.65 ± 0.23 3.91

Calibration: I = 27.40 - 2.5 log10(ΔF + 11727.35)

Single lens fit parameters

tmax =JD 2458642.75 ± 0.06 UT (2019-Jun-8.25)
tE =19.10 ± 1.67 days
u0 =0.5988 ± 0.0929
Ibase =17.16 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice