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ZHA95 - Ammonia Maser in a Molecular Outflow toward W51

Short title: Zhang & Ho (1995)
Authors: Zhang, Q.Ho, Paul T. P.
Journal: Astrophysical Journal Letters v.450, p.L63
Bibcode:

Target type: High_mass_SFR
Transitions: NH3_(3,3)

Abstract
We report the discovery of a 14NH3 maser in the (J, K) = (3, 3) transition toward the W51-North H II complex. The maser line has a FWHM of 1.7 km s-1 and an asymmetric profile, which suggests multiple features in the velocity range. Measured with the VLA, the maser emission has a peak flux of 230 mJy and a maximum deconvolved size of 0.

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Detection table from Zhang & Ho (1995)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Image	Descr.	Line	FWHM	F_peak	Telescope	Configuration	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)					NH₃	(km/s)	(Jy)			(arcsec)	Yes/No		(kpc)
1	19 23 39.2	+14 31 4.7	49.4883	-0.3670	G49.489-0.387	W51 VLA-B			(3,3);	1.6	0.23	NRAOVLA	B	0.33 x 0.31	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		1993 Mar 27-28
2	19 23 39.2	+14 31 4.7	49.4883	-0.3670	G49.489-0.387	W51 VLA-C	Image	Descr	(3,3);	1.7	0.4	NRAOVLA	C	1.17 x 1.16	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		1990 Nov 9-10

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(nh3_data_all.ra_hms) as ra_hms,MAX(nh3_data_all.dec_dms) as dec_dms,MAX(nh3_data_all.source_name) as source_name,MAX(nh3_data_all.ra) as ra,MAX(nh3_data_all.dec) as dec,MAX(nh3_data_all.l) as l,MAX(nh3_data_all.b) as b,MAX(nh3_data_all.grp) as grp,MAX(nh3_data_all.other_name) as other_name,MAX(nh3_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(nh3_data_all.line) as line,MAX(nh3_data_all.vrange) as vrange,MAX(nh3_data_all.vpeak) as vpeak,MAX(nh3_data_all.peak) as peak,MAX(nh3_data_all.fwhm) as fwhm,MAX(nh3_data_all.int) as int,MAX(nh3_data_all.rms) as rms,MAX(nh3_data_all.units) as units,MAX(nh3_data_all.units_rms) as units_rms,MAX(nh3_data_all.date_txt) as date_txt,MAX(nh3_data_all.telescope_ref) as telescope_ref,MAX(nh3_data_all.telescope_conf) as telescope_conf,MAX(nh3_data_all.v_step) as v_step,MAX(nh3_data_all.beam) as beam,MAX(nh3_data_all.beam_maj) as beam_maj,MAX(nh3_data_all.beam_min) as beam_min,MAX(nh3_data_all.beam_pa) as beam_pa,MAX(nh3_data_all.ref) as ref,MAX(nh3_data_all.list_ref) as list_ref,MAX(nh3_data_all.ascii) as ascii,MAX(nh3_data_all.url) as url,MAX(nh3_data_all.image) as image,MAX(nh3_data_all.image2) as image2,MAX(nh3_data_all.image3) as image3,MAX(nh3_data_all.descr) as descr,MAX(nh3_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(nh3_data_all.dist) as dist,1 as dist_parallax,MAX(nh3_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 nh3_data_all  LEFT JOIN all_objects_withmet ON nh3_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 nh3_data_all.line=transitions."Line"  WHERE ref ilike 'ZHA95' AND detected=true AND hide=false GROUP BY ref

select nh3_data_all.ra_hms,nh3_data_all.dec_dms,nh3_data_all.source_name,nh3_data_all.ra,nh3_data_all.dec,nh3_data_all.l,nh3_data_all.b,nh3_data_all.grp,nh3_data_all.other_name,nh3_data_all.other_desc,nh3_data_all.thermal,nh3_data_all.line,nh3_data_all.vrange,nh3_data_all.vpeak,nh3_data_all.peak,nh3_data_all.fwhm,nh3_data_all.int,nh3_data_all.rms,nh3_data_all.units,nh3_data_all.units_rms,nh3_data_all.date_txt,nh3_data_all.telescope_ref,nh3_data_all.telescope_conf,nh3_data_all.v_step,nh3_data_all.beam,nh3_data_all.beam_maj,nh3_data_all.beam_min,nh3_data_all.beam_pa,nh3_data_all.ref,nh3_data_all.list_ref,nh3_data_all.ascii,nh3_data_all.url,nh3_data_all.image,nh3_data_all.image2,nh3_data_all.image3,nh3_data_all.descr,nh3_data_all.id,nh3_data_all.mjy_flag,nh3_data_all.rms_mjy_flag,nh3_data_all.dist,nh3_data_all.dist_parallax,nh3_data_all.date_txt,line_det,type,simbad_types_cat FROM nh3_data_all   LEFT JOIN all_objects_withmet ON nh3_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 nh3_data_all.line=transitions."Line"  WHERE ref ilike 'ZHA95' AND detected=true AND hide=false ORDER BY detected DESC,id

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ZHA95 - Ammonia Maser in a Molecular Outflow toward W51

View as list of objects

Detection table from Zhang & Ho (1995)