VERA observations of SiO maser emission from R Aquarii

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Table 2:

Summary of all relevant maps of SiO maser emission obtained in R Aqr.
Date	Type of	Axis of symmetry/elongation	Rotation axis	Dominant	Reference
	observation	PA	PA	half?
June 1995	VLBI	-20 $^\circ$	?	west	Boboltz et al. (1997)
Dec. 1995	VLBI	-20 $^\circ$	?		Boboltz et al. (1997)
Feb. 1996	VLBI	-20 $^\circ$	?		Boboltz et al. (1997)
Apr. 1996	VLBI	-20 $^\circ$	?		Boboltz et al. (1997)
Nov. 1996	conn. interf.	$\pm$ 45 $^\circ$ ?	+45 $^\circ$		Hollis et al. (2000)
May 1998	conn. interf.	$\pm$ 45 $^\circ$ ?	+45 $^\circ$		Hollis et al. (2000)
Dec. 1999-Feb. 2000	conn. interf.	$\pm$ 45 $^\circ$ ?	+45 $^\circ$		Hollis et al. (2000)
Dec. 2000	VLBI	-40 $^\circ$	-40 $^\circ$		Hollis et al. (2001)
Jan. 2001	VLBI	-10 $^\circ$	-10 $^\circ$		Cotton et al. (2004)
Apr. 2001	VLBI	-10 $^\circ$ ?	-10 $^\circ$		Cotton et al. (2004)
Sep. 2004	VLBI	0 $^\circ$	no	west	Cotton et al. (2006)
Dec. 2004	VLBI	-10 $^\circ$	no	southwest	this paper
Sep. 2005	VLBI	0 $^\circ$	no	north	this paper
Nov. 2005	VLBI	0 $^\circ$	no	north	this paper
Dec. 2005	VLBI	0 $^\circ$	no	north	this paper
Feb. 2006	VLBI	0 $^\circ$	no	north	this paper
Mar. 2006	VLBI	0 $^\circ$	no	north	this paper
May 2006	VLBI	?	?	north?	this paper (no astrometry)
Jul. 2006	VLBI	?	?	northeast?	this paper (no astrometry)
Jul. 2006	VLBI	?	?	northeast?	this paper (no astrometry)
Aug. 2006	VLBI	-10 $^\circ$	?	northeast	this paper
Sep. 2006	VLBI	-10 $^\circ$	no	northeast	Ragland et al. (2008)
Oct. 2006	VLBI	0 $^\circ$	no	northeast?	this paper

Source LaTeX | All tables | In the text

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