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FOR90 - Two wide-velocity H2O masers.

Short title: Forster (1990)
Authors: Forster, J. R.
Journal: Astronomy and Astrophysics, Vol. 227, p. L37-L39 (1990)
Bibcode:

Target type: High_mass_SFR
Transitions: H2O_22

Abstract
VLA observations are presented for two H2O maser sources with wide (greater than 50 km/s) velocity spread. In 351.78-0.54 the H2O masers form a ring, while in 0.54-0.85 they are located on a line. In both sources, maser spots with velocities near that of the ambient gas are spread over 3-4 in., while the red- and blue-shifted masers are more tightly grouped. The distribution and kinematics of the H2O masers in these sources suggest the presence of a disk or ring of material surrounding a massive young star in an early evolutionary phase.

Abstract

VLA observations are presented for two H2O maser sources with wide (greater than 50 km/s) velocity spread. In 351.78-0.54 the H2O masers form a ring, while in 0.54-0.85 they are located on a line. In both sources, maser spots with velocities near that of the ambient gas are spread over 3-4 in., while the red- and blue-shifted masers are more tightly grouped. The distribution and kinematics of the H2O masers in these sources suggest the presence of a disk or ring of material surrounding a massive young star in an early evolutionary phase.

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Detection table from Forster (1990)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Line	V_peak	FWHM	List	Beam	Detection	Class	Dist. (parallax)	Ref.
	(J2000)	(J2000)	(deg.)	(deg.)		CH₃OH (class I)	(km/s)	(km/s)		(arcsec)	Yes/No		(kpc)
1	17 50 14.4	-28 54 29.6	0.5465	-0.8511	G0.546-0.852	44 GHz (I);	17.2	6.1	AVE02	40	+H₂O +CH₃OH I +CH₃OH II	SFR		FOR90
2	18 06 19.1	-21 37 31.9	8.6694	-0.3561	G8.669-0.357	44 GHz (I);	35.2	3.0	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		FOR90
3	18 00 30.3	-24 04 1.5	5.8850	-0.3921	G5.885-0.392	44 GHz (I);	8.3	1.2	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	GALAXY		FOR90
4	17 26 42.3	-36 09 16.4	351.7744	-0.5355	G351.775-0.537	44 GHz (I);	-2.4	1.4	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		FOR90
5	02 27 3.9	+61 52 24.6	133.9475	1.0642	G133.949+1.064	44 GHz (I);	-47.7	4.8	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		FOR90
6	18 53 18.5	+01 14 58.7	34.2573	0.1537	G34.257+0.153	44 GHz (I);	57.1	4.7	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	MIXED		FOR90
7	23 13 45.3	+61 28 10.7	111.5421	0.7770	G111.542+0.769	44 GHz (I);	-57.6	2.1	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		FOR90
8	18 10 28.6	-19 55 50.7	10.6230	-0.3836	G10.623-0.383	44 GHz (I);	-7.3	2.6	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	MIXED		FOR90
9	17 20 53.4	-35 47 1.5	351.4170	0.6450	G351.417+0.645	44 GHz (I);	-7.6	4.6	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	MIXED		FOR90
10	17 25 25.3	-36 12 44	351.5817	-0.3530	G351.581-0.353	44 GHz (I);	-95.6	7.5	AVE02	40	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		FOR90

DSS colored	2MASS colored	WISE colored
SDSS color	IRAC color I1,I2,I4	GLIMPSE 360
PACS color (70-160 um)	SPIRE color (250-500 um)	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(met1_data_all.ra_hms) as ra_hms,MAX(met1_data_all.dec_dms) as dec_dms,MAX(met1_data_all.source_name) as source_name,MAX(met1_data_all.ra) as ra,MAX(met1_data_all.dec) as dec,MAX(met1_data_all.l) as l,MAX(met1_data_all.b) as b,MAX(met1_data_all.grp) as grp,MAX(met1_data_all.other_name) as other_name,MAX(met1_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(met1_data_all.line) as line,MAX(met1_data_all.vrange) as vrange,MAX(met1_data_all.vpeak) as vpeak,MAX(met1_data_all.peak) as peak,MAX(met1_data_all.fwhm) as fwhm,MAX(met1_data_all.int) as int,MAX(met1_data_all.rms) as rms,MAX(met1_data_all.units) as units,MAX(met1_data_all.units_rms) as units_rms,MAX(met1_data_all.date_txt) as date_txt,MAX(met1_data_all.telescope_ref) as telescope_ref,MAX(met1_data_all.telescope_conf) as telescope_conf,MAX(met1_data_all.v_step) as v_step,MAX(met1_data_all.beam) as beam,MAX(met1_data_all.beam_maj) as beam_maj,MAX(met1_data_all.beam_min) as beam_min,MAX(met1_data_all.beam_pa) as beam_pa,MAX(met1_data_all.ref) as ref,MAX(met1_data_all.list_ref) as list_ref,MAX(met1_data_all.ascii) as ascii,MAX(met1_data_all.url) as url,MAX(met1_data_all.image) as image,MAX(met1_data_all.image2) as image2,MAX(met1_data_all.image3) as image3,MAX(met1_data_all.descr) as descr,MAX(met1_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(met1_data_all.dist) as dist,1 as dist_parallax,MAX(met1_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 met1_data_all  LEFT JOIN all_objects_withmet ON met1_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' LEFT JOIN transitions ON met1_data_all.line=transitions."Line"  WHERE ref ilike 'FOR90' AND detected=true AND hide=false GROUP BY ref

select met1_data_all.ra_hms,met1_data_all.dec_dms,met1_data_all.source_name,met1_data_all.ra,met1_data_all.dec,met1_data_all.l,met1_data_all.b,met1_data_all.grp,met1_data_all.other_name,met1_data_all.other_desc,met1_data_all.thermal,met1_data_all.line,met1_data_all.vrange,met1_data_all.vpeak,met1_data_all.peak,met1_data_all.fwhm,met1_data_all.int,met1_data_all.rms,met1_data_all.units,met1_data_all.units_rms,met1_data_all.date_txt,met1_data_all.telescope_ref,met1_data_all.telescope_conf,met1_data_all.v_step,met1_data_all.beam,met1_data_all.beam_maj,met1_data_all.beam_min,met1_data_all.beam_pa,met1_data_all.ref,met1_data_all.list_ref,met1_data_all.ascii,met1_data_all.url,met1_data_all.image,met1_data_all.image2,met1_data_all.image3,met1_data_all.descr,met1_data_all.id,met1_data_all.mjy_flag,met1_data_all.rms_mjy_flag,met1_data_all.dist,met1_data_all.dist_parallax,met1_data_all.date_txt,line_det,type,simbad_types_cat FROM met1_data_all   LEFT JOIN all_objects_withmet ON met1_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' LEFT JOIN transitions ON met1_data_all.line=transitions."Line"  WHERE ref ilike 'FOR90' AND detected=true AND hide=false ORDER BY detected DESC,id

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FOR90 - Two wide-velocity H2O masers.

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Detection table from Forster (1990)