Display data from paper

Select data type:

VAL98 - The unusual methanol maser 345.01+1.79

Short title: Valtts (1998)
Authors: Valtts, I. E.
Journal: Astronomy Letters, Volume 24, Issue 6, November 1998, pp.788-794; Pisma v Astronomicheskii Zhurnal, Vol. 24, p. 910
Bibcode:

Target type: Other
Transitions: CH3OH_44(I),CH3OH_95(I),CH3OH_6(II),CH3OH_12(II),CH3OH_108(II),CH3OH_157(II)

Abstract
We analyze the spectra of G345.01+1.79 that were obtained during multi-frequency observations in class-I and class-II methanol lines at 44, 95, 107, 108, 133, 157, 165, and 229 GHz. We determine the relative positions of the condensations in which maser and thermal lines are formed. All strong class-II maser lines originate in the southern spot in the velocity interval -24 to -14 km s^-1. The thermal lines in class-II transitions are concentrated in the velocity interval of -14 to -11 km s^-1, which is closer to the velocity of the parent molecular cloud and the northern center of weak class-II maser emission. Although they have no peculiar velocity of the southern spot, the class-I masers spatially gravitate toward it. This is a unique source, the only one in which a maser has been detected at 108 GHz and one of a few in which a maser has been found at 157 GHz.

Abstract

We analyze the spectra of G345.01+1.79 that were obtained during multi-frequency observations in class-I and class-II methanol lines at 44, 95, 107, 108, 133, 157, 165, and 229 GHz. We determine the relative positions of the condensations in which maser and thermal lines are formed. All strong class-II maser lines originate in the southern spot in the velocity interval -24 to -14 km s^-1. The thermal lines in class-II transitions are concentrated in the velocity interval of -14 to -11 km s^-1, which is closer to the velocity of the parent molecular cloud and the northern center of weak class-II maser emission. Although they have no peculiar velocity of the southern spot, the class-I masers spatially gravitate toward it. This is a unique source, the only one in which a maser has been detected at 108 GHz and one of a few in which a maser has been found at 157 GHz.

Download as: Table (CSV)
View as list of objects

Detection table from Valtts (1998)

Export table to csv

Hide / Show individual components

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(h2o_data_all.ra_hms) as ra_hms,MAX(h2o_data_all.dec_dms) as dec_dms,MAX(h2o_data_all.source_name) as source_name,MAX(h2o_data_all.ra) as ra,MAX(h2o_data_all.dec) as dec,MAX(h2o_data_all.l) as l,MAX(h2o_data_all.b) as b,MAX(h2o_data_all.grp) as grp,MAX(h2o_data_all.other_name) as other_name,MAX(h2o_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(h2o_data_all.vrange) as vrange,MAX(h2o_data_all.vpeak) as vpeak,MAX(h2o_data_all.peak) as peak,MAX(h2o_data_all.fwhm) as fwhm,MAX(h2o_data_all.int) as int,MAX(h2o_data_all.rms) as rms,MAX(h2o_data_all.units) as units,MAX(h2o_data_all.units_rms) as units_rms,MAX(h2o_data_all.date_txt) as date_txt,MAX(h2o_data_all.telescope_ref) as telescope_ref,MAX(h2o_data_all.telescope_conf) as telescope_conf,MAX(h2o_data_all.v_step) as v_step,MAX(h2o_data_all.beam) as beam,MAX(h2o_data_all.beam_maj) as beam_maj,MAX(h2o_data_all.beam_min) as beam_min,MAX(h2o_data_all.beam_pa) as beam_pa,MAX(h2o_data_all.ref) as ref,MAX(h2o_data_all.list_ref) as list_ref,MAX(h2o_data_all.ascii) as ascii,MAX(h2o_data_all.url) as url,MAX(h2o_data_all.image) as image,MAX(h2o_data_all.image2) as image2,MAX(h2o_data_all.image3) as image3,MAX(h2o_data_all.descr) as descr,MAX(h2o_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(h2o_data_all.dist) as dist,1 as dist_parallax,MAX(h2o_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 h2o_data_all  LEFT JOIN all_objects_withmet ON h2o_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 'VAL98' AND detected=true AND hide=false GROUP BY ref

select h2o_data_all.ra_hms,h2o_data_all.dec_dms,h2o_data_all.source_name,h2o_data_all.ra,h2o_data_all.dec,h2o_data_all.l,h2o_data_all.b,h2o_data_all.grp,h2o_data_all.other_name,h2o_data_all.other_desc,h2o_data_all.thermal,h2o_data_all.vrange,h2o_data_all.vpeak,h2o_data_all.peak,h2o_data_all.fwhm,h2o_data_all.int,h2o_data_all.rms,h2o_data_all.units,h2o_data_all.units_rms,h2o_data_all.date_txt,h2o_data_all.telescope_ref,h2o_data_all.telescope_conf,h2o_data_all.v_step,h2o_data_all.beam,h2o_data_all.beam_maj,h2o_data_all.beam_min,h2o_data_all.beam_pa,h2o_data_all.ref,h2o_data_all.list_ref,h2o_data_all.ascii,h2o_data_all.url,h2o_data_all.image,h2o_data_all.image2,h2o_data_all.image3,h2o_data_all.descr,h2o_data_all.id,h2o_data_all.mjy_flag,h2o_data_all.rms_mjy_flag,h2o_data_all.dist,h2o_data_all.dist_parallax,h2o_data_all.date_txt,line_det,type,simbad_types_cat FROM h2o_data_all   LEFT JOIN all_objects_withmet ON h2o_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 'VAL98' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

VAL98 - The unusual methanol maser 345.01+1.79

View as list of objects

Detection table from Valtts (1998)