MOA 2018-BLG-250

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb1-R-8-12610
Discovery date:	2018-07-14T14:16:52
RA:	17:50:43.58
Dec:	-34:11:05.40
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
2076	17:50:43.61	-34:11:02.06	18.01 ± 0.15	4.23
2077	17:50:43.60	-34:11:07.44	14.56 ± 0.04	1.72
2146	17:50:43.46	-34:11:04.98	15.44 ± 0.04	1.43
2175	17:50:43.40	-34:11:08.46	15.59 ± 0.10	3.07

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	15.52 ± 0.03	3.53
2460245.937 (2023-Oct-28.437)	15.54 ± 0.03	3.70
2460246.859 (2023-Oct-29.359)	15.61 ± 0.06	3.65
2460246.892 (2023-Oct-29.392)	15.61 ± 0.03	3.45
2460246.926 (2023-Oct-29.426)	15.47 ± 0.03	3.47

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 60925.63)

Single lens fit parameters

t_max	=	JD 2458314.33	±	0.00 UT (2018-Jul-14.83)
t_E	=	86.89	±	10.16 days
u₀	=	0.0033	±	0.0005
I_base	=	20.64	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice