MOA 2017-BLG-146

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb16-R-4-14902
Discovery date:	2017-04-06T17:58:54
RA:	18:09:30.92
Dec:	-29:36:08.12
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
15508	18:09:30.76	-29:36:10.78	18.84 ± 0.16	4.40
15618	18:09:30.97	-29:36:09.83	17.64 ± 0.08	2.39
15619	18:09:30.98	-29:36:07.42	19.15 ± 0.17	0.34
15679	18:09:31.13	-29:36:09.22	17.20 ± 0.05	2.90

Last 5 photometry measurements

Observation date	I mag	seeing
2460517.858 (2024-Jul-26.358)	20.40 ± 11.70	4.33
2460518.061 (2024-Jul-26.561)	18.57 ± 0.64	4.39
2460518.814 (2024-Jul-27.314)	19.23 ± 0.43	2.84
2460518.859 (2024-Jul-27.359)	18.07 ± 1.52	3.38
2460518.894 (2024-Jul-27.394)	20.12 ± 1.28	2.92

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 1989.76)

Single lens fit parameters

t_max	=	JD 2457847.89	±	0.05 UT (2017-Apr-4.39)
t_E	=	27.30	±	1.69 days
u₀	=	0.1791	±	0.0159
I_base	=	18.58	±	0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice