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MIY01 - SiO Maser Survey in the Galactic Center Region with a Multi-Beam Receiver

Short title: Miyazaki et al. (2001)
Authors: Miyazaki, Atsushi Deguchi, Shuji Tsuboi, Masato Kasuga, Takashi Takano, Shuro
Journal: Publications of the Astronomical Society of Japan, vol.53, no. 3, p. 501-507
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Abstract
We have made a wide-field survey of SiO masers in the 7' � 13' area around the Galactic center with the Nobeyama 45-m radio telescope using a 2 � 3 multi-beam SIS mixer receiver at 43 GHz. We detected 9 SiO maser sources (6 of them are new) newly detected 6 sources have been identified with Miras or OH 1612 MHz maser sources. The source surface number density, ~360 per square degree, found in this survey is slightly smaller than the number density of OH 1612 MHz sources in the same area. A least-squares analysis of the radial velocities of the detected sources has revealed a rapid rotation of the stars around the Galactic center. This implies that most of the objects detected in this survey belong to the nuclear disk near the Galactic center.

Abstract

We have made a wide-field survey of SiO masers in the 7' � 13' area around the Galactic center with the Nobeyama 45-m radio telescope using a 2 � 3 multi-beam SIS mixer receiver at 43 GHz. We detected 9 SiO maser sources (6 of them are new) newly detected 6 sources have been identified with Miras or OH 1612 MHz maser sources. The source surface number density, ~360 per square degree, found in this survey is slightly smaller than the number density of OH 1612 MHz sources in the same area. A least-squares analysis of the radial velocities of the detected sources has revealed a rapid rotation of the stars around the Galactic center. This implies that most of the objects detected in this survey belong to the nuclear disk near the Galactic center.

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Detection table from Miyazaki et al. (2001)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	V_range	V_peak	T_a	∫T_a dv	Telescope	RMS	List	Detection	Class	Dist. (parallax)	Ref.
	(J2000)	(J2000)	(deg.)	(deg.)			SiO	(km/s)	(km/s)	(K)	(K*km/s)		(Jy)		Yes/No		(kpc)
1	17 45 30.8	-28 59 37.2	359.9388	-0.0101	G359.9380-0.0097	*IRAS 359.939-00.010		0.00	-73.7	1.56	47.899		0.252	ENG_SIO	+OH +SiO	SFR_MIXED		MIY01
2	17 45 31.9	-28 57 50.1	359.9662	0.0022	G359.9670+0.0022	*IRAS 359.966+00.002		0.00	-7.4	3.09	101.407		0.162	ENG_SIO	+SiO	SFR_MIXED		MIY01
3	17 45 38.5	-28 56 12.7	0.0019	-0.0044	G0.0030-0.0040	*IRAS 000.002-00.005		0.00	-6.6	0.93	48.762		0.171	ENG_SIO	+SiO	GALAXY		MIY01
4	17 45 40.1	-29 00 28.6	359.9443	-0.0465	G359.9444-0.0465	IRAS 359.944-00.047		0.00	-27.3	1.5	52.645		0.165	ENG_SIO	+H₂O +CH₃OH I -CH₃OH II +OH	SFR_MIXED		MIY01
5	17 45 39.7	-28 59 51.6	359.9523	-0.0398	G359.9540-0.0406	*IRAS 359.953-00.040		0.00	71.5	1.74	54.803		0.153	ENG_SIO	+OH	SFR_MIXED		MIY01
6	17 45 47.5	-28 53 10	0.0624	-0.0061	G0.0640-0.0061	*IRAS 000.062-00.006		0.00	21.8	1.17	46.604		0.147	ENG_SIO	+SiO	SFR_MIXED		MIY01
7	17 45 38.6	-28 56 12.7	0.0021	-0.0048	G0.0030-0.0040	SiO000.002-00.005	43.1 GHz;		-6.6	0.31	1.13	NRO	0.057	NRO	+SiO	GALAXY		MIY01
8	17 45 38.6	-28 56 12.7	0.0021	-0.0048	G0.0030-0.0040	SiO000.002-00.005	42.8 GHz;		-4.8	0.32	1.32	NRO	0.060	NRO	+SiO	GALAXY		MIY01
9	17 45 47.6	-28 53 10	0.0626	-0.0065	G0.0640-0.0061	SiO000.062-00.006	43.1 GHz;		21.8	0.39	1.08	NRO	0.049	NRO	+SiO	SFR_MIXED		MIY01
10	17 45 47.6	-28 53 10	0.0626	-0.0065	G0.0640-0.0061	SiO000.062-00.006	42.8 GHz;		21.8	0.3	0.79	NRO	0.052	NRO	+SiO	SFR_MIXED		MIY01
11	17 45 38.8	-29 02 27.7	359.9135	-0.0595	G359.9161-0.0667	SiO359.914-00.060	43.1 GHz;		-309.1	0.51	1.33	NRO	0.062	NRO	+CH₃OH I +OH +SiO	SFR_MIXED		MIY01
12	17 45 38.8	-29 02 27.7	359.9135	-0.0595	G359.9161-0.0667	SiO359.914-00.060	42.8 GHz;		-308.6	~ 0.35	0.77	NRO	0.073	NRO	+CH₃OH I +OH +SiO	SFR_MIXED		MIY01
13	17 45 41.6	-29 01 50.5	359.9276	-0.0628	G359.9276-0.0628	SiO359.928-00.063	43.1 GHz;		-92.3	< 0.18	< 0.48	NRO	0.068	NRO	+SiO	SFR_MIXED		MIY01
14	17 45 41.6	-29 01 50.5	359.9276	-0.0628	G359.9276-0.0628	SiO359.928-00.063	42.8 GHz;		-92.9	0.46	1.34	NRO	0.070	NRO	+SiO	SFR_MIXED		MIY01
15	17 45 30.9	-28 59 37.3	359.9390	-0.0104	G359.9380-0.0097	SiO359.939-00.010	43.1 GHz;		-73.7	0.52	1.11	NRO	0.084	NRO	+OH +SiO	SFR_MIXED		MIY01
16	17 45 30.9	-28 59 37.3	359.9390	-0.0104	G359.9380-0.0097	SiO359.939-00.010	42.8 GHz;		-73.5	0.52	1.11	NRO	0.082	NRO	+OH +SiO	SFR_MIXED		MIY01
17	17 45 40.2	-29 00 28.6	359.9445	-0.0468	G359.9444-0.0465	SiO359.944-00.047	43.1 GHz;		-27.3	0.5	1.22	NRO	0.055	NRO	+H₂O +CH₃OH I -CH₃OH II +OH	SFR_MIXED		MIY01
18	17 45 40.2	-29 00 28.6	359.9445	-0.0468	G359.9444-0.0465	SiO359.944-00.047	42.8 GHz;		-27.3	0.77	1.72	NRO	0.059	NRO	+H₂O +CH₃OH I -CH₃OH II +OH	SFR_MIXED		MIY01
19	17 45 39.8	-28 59 51.6	359.9525	-0.0402	G359.9540-0.0406	SiO359.953-00.040	43.1 GHz;		71.5	0.58	1.27	NRO	0.051	NRO	+OH	SFR_MIXED		MIY01
20	17 45 39.8	-28 59 51.6	359.9525	-0.0402	G359.9540-0.0406	SiO359.953-00.040	42.8 GHz;		71.6	0.53	1.68	NRO	0.056	NRO	+OH	SFR_MIXED		MIY01
21	17 45 41.7	-29 00 1.5	359.9538	-0.0475	G359.9550-0.0459	SiO359.954-00.048	43.1 GHz;		52.1	~ 0.26	0.67	NRO	0.069	NRO				MIY01
22	17 45 41.7	-29 00 1.5	359.9538	-0.0475	G359.9550-0.0459	SiO359.954-00.048	42.8 GHz;		52.7	~ 0.29	1.67	NRO	0.069	NRO				MIY01
23	17 45 32	-28 57 50.2	359.9664	0.0018	G359.9670+0.0022	SiO359.966+00.002	43.1 GHz;		-7.4	1.03	2.35	NRO	0.054	NRO	+SiO	SFR_MIXED		MIY01
24	17 45 32	-28 57 50.2	359.9664	0.0018	G359.9670+0.0022	SiO359.966+00.002	42.8 GHz;		-8.1	0.65	2.23	NRO	0.053	NRO	+SiO	SFR_MIXED		MIY01

DSS colored	2MASS colored	WISE colored
PACS color (70-160 um)	SPIRE color (250-500 um)	GLIMPSE 360
SDSS color	IRAC color I1,I2,I4	NVSS (1.4GHz)
ATLASGAL 870 um	ATLASGAL 870 um + Planck	Bolocam 1.1 mm
UKIDSS K Download UKIDSS K FITS	2MASS K Download 2MASS K FITS

select MAX(sio_data_all.ra_hms) as ra_hms,MAX(sio_data_all.dec_dms) as dec_dms,MAX(sio_data_all.source_name) as source_name,MAX(sio_data_all.ra) as ra,MAX(sio_data_all.dec) as dec,MAX(sio_data_all.l) as l,MAX(sio_data_all.b) as b,MAX(sio_data_all.grp) as grp,MAX(sio_data_all.other_name) as other_name,MAX(sio_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(sio_data_all.line) as line,MAX(sio_data_all.vrange) as vrange,MAX(sio_data_all.vpeak) as vpeak,MAX(sio_data_all.peak) as peak,MAX(sio_data_all.fwhm) as fwhm,MAX(sio_data_all.int) as int,MAX(sio_data_all.rms) as rms,MAX(sio_data_all.units) as units,MAX(sio_data_all.units_rms) as units_rms,MAX(sio_data_all.date_txt) as date_txt,MAX(sio_data_all.telescope_ref) as telescope_ref,MAX(sio_data_all.telescope_conf) as telescope_conf,MAX(sio_data_all.v_step) as v_step,MAX(sio_data_all.beam) as beam,MAX(sio_data_all.beam_maj) as beam_maj,MAX(sio_data_all.beam_min) as beam_min,MAX(sio_data_all.beam_pa) as beam_pa,MAX(sio_data_all.ref) as ref,MAX(sio_data_all.list_ref) as list_ref,MAX(sio_data_all.ascii) as ascii,MAX(sio_data_all.url) as url,MAX(sio_data_all.image) as image,MAX(sio_data_all.image2) as image2,MAX(sio_data_all.image3) as image3,MAX(sio_data_all.descr) as descr,MAX(sio_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(sio_data_all.dist) as dist,1 as dist_parallax,MAX(sio_data_all.date_txt) as date_txt,MAX(line_det) as line_det,MAX(type) as type,MAX(simbad_types_cat) as simbad_types_cat FROM sio_data_all  LEFT JOIN all_objects_withmet ON sio_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' WHERE ref ilike 'MIY01' AND detected=true AND hide=false GROUP BY ref

select sio_data_all.ra_hms,sio_data_all.dec_dms,sio_data_all.source_name,sio_data_all.ra,sio_data_all.dec,sio_data_all.l,sio_data_all.b,sio_data_all.grp,sio_data_all.other_name,sio_data_all.other_desc,sio_data_all.thermal,sio_data_all.line,sio_data_all.vrange,sio_data_all.vpeak,sio_data_all.peak,sio_data_all.fwhm,sio_data_all.int,sio_data_all.rms,sio_data_all.units,sio_data_all.units_rms,sio_data_all.date_txt,sio_data_all.telescope_ref,sio_data_all.telescope_conf,sio_data_all.v_step,sio_data_all.beam,sio_data_all.beam_maj,sio_data_all.beam_min,sio_data_all.beam_pa,sio_data_all.ref,sio_data_all.list_ref,sio_data_all.ascii,sio_data_all.url,sio_data_all.image,sio_data_all.image2,sio_data_all.image3,sio_data_all.descr,sio_data_all.id,sio_data_all.mjy_flag,sio_data_all.rms_mjy_flag,sio_data_all.dist,sio_data_all.dist_parallax,sio_data_all.date_txt,line_det,type,simbad_types_cat FROM sio_data_all   LEFT JOIN all_objects_withmet ON sio_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' WHERE ref ilike 'MIY01' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

MIY01 - SiO Maser Survey in the Galactic Center Region with a Multi-Beam Receiver

View as list of objects

Detection table from Miyazaki et al. (2001)