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UKI84 - Stellar OH masers with polarized features at intermediate velocities

Interferometry data

Short title: Ukita & Le Squeren (1984)
Authors: Ukita, N. Le Squeren, A. M.
Journal: Astronomy and Astrophysics (ISSN 0004-6361), vol. 138, no. 2, Sept. 1984, p. 343-352.
Bibcode:

Abstract

Peculiar profiles were discovered in EY And, one of five new sources found in an OH maser search. The 1612-MHz emission has a typical, double-peak structure, but the main-line masers show polarized features at the central velocity of the 1612-MHz emission. The line shape of the SiO maser resembles that of the 1665-MHz emission. Maser sources with polarized OH emission at intermediate velocities are discussed in the context of two kinematic models. Expanding envelopes with a smooth velocity field would require some of the polarized OH features to arise in the innermost part of the envelopes. Distortion of a smooth outflow by interaction with the ambient gas cannot explain the peculiar OH emission. It is interpreted as a fluctuation of the velocity field of the expanding envelope. The polarized features in both main-line spectra have the same sense of circular polarization when they appear at nearly the same velocity. This evidence is consistent with the mechanism proposed by Cook and Shklovskii.

Comments:
Velocity resolution: 0.90 km/s
Upper limit for non-detections: 0.1-0.3 Jy (3σ)

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Detection table from Ukita & Le Squeren (1984)

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Non-detection table from Ukita & Le Squeren (1984)

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Group name
Different Line detections
IRAS source	IRAS coordinates (RA, Dec)	IRAS source distance (arcsec)	IRAS flux density (F12,F25,F60,F100)
2MASS source	2MASS coordinates (RA, Dec)	2MASS source distance (arcsec)	2MASS magnituted (J,H,K)
GCVS source	GCVS coordinates (RA, Dec)	GCVS source distance (arcsec)	GCVS parameters
WISE source	WISE coordinates (RA, Dec)	WISE source distance (arcsec)	WISE magnitudes (w1, w2, w3, w4)
Akari IRC source	Akari IRC coordinates (RA, Dec)	Akari IRC source distance (arcsec)	Akari IRC fluxes (S09, S18)
Akari FIS source	Akari FIS coordinates (RA, Dec)	Akari FIS source distance (arcsec)	Akari FIS fluxes (S65, S90, S140, S160)
Continuum source	Continuum coordinates (RA, Dec)	Continuum source distance (arcsec)	Continuum parameters
Bolocam GPS	BGPS coordinates (RA, Dec)	BGPS source distance (arcsec)	BGPS parameters
EGO source	EGO coordinates (RA, Dec)	EGO source distance (arcsec)	EGO parameters
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DSS (optical)	SDSS (optical+NIR)	2MASS (JHK)	WISE (4-22 um)	IRAC (3-8 um)	GLIMPSE 360 (3.6-4.5 um)
AKARI color (60-160 um)	PACS color (70-160 um)	SPIRE color (250-500 um)	ATLASGAL (870 um)	ATLASGAL+Planck (870 um)	Bolocam (1.1 mm)
NVSS (1.4 GHz)	Image size: arcsec (default is 120 arcsec)
	Image size: arcsec (default is 120 arcsec)

X

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	2MASS K

select MAX(oh_data.ra_hms) as ra_hms,MAX(oh_data.dec_dms) as dec_dms,MAX(oh_data.source_name) as source_name,MAX(oh_data.ra) as ra,MAX(oh_data.dec) as dec,MAX(oh_data.l) as l,MAX(oh_data.b) as b,MAX(oh_data.grp) as grp,MAX(oh_data.vlow) as vlow,MAX(oh_data.vup) as vup,MAX(oh_data.vpeak) as vpeak,MAX(oh_data.vpeak_e) as vpeak_e,MAX(oh_data.vpeak2) as vpeak2,MAX(oh_data.vpeak2_e) as vpeak2_e,MAX(oh_data.dv) as dv,MAX(oh_data.other_name) as other_name,MAX(oh_data.peak) as peak,MAX(oh_data.peak_e) as peak_e,MAX(oh_data.peak2) as peak2,MAX(oh_data.peak2_e) as peak2_e,MAX(oh_data.int) as int,MAX(oh_data.int_e) as int_e,MAX(oh_data.rms) as rms,MAX(oh_data.date) as date,MAX(oh_data.date2) as date2,MAX(oh_data.telescope_ref) as telescope_ref,MAX(oh_data.units) as units,MAX(oh_data.beam) as beam,MAX(oh_data.ref) as ref,MAX(oh_data.list_ref) as list_ref,MAX(oh_data.ascii) as ascii,MAX(oh_data.image) as image,MAX(oh_data.id) as id,MAX(oh_data.date_txt) as date_txt,MAX(oh_data.other_name) as other_name,MAX(oh_data.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(oh_data.line) as line,MAX(oh_data.vrange) as vrange,MAX(oh_data.vpeak) as vpeak,MAX(oh_data.peak) as peak,MAX(oh_data.fwhm) as fwhm,MAX(oh_data.int) as int,MAX(oh_data.rms) as rms,MAX(oh_data.units) as units,MAX(oh_data.units_rms) as units_rms,MAX(oh_data.date_txt) as date_txt,MAX(oh_data.telescope_ref) as telescope_ref,MAX(oh_data.beam) as beam,MAX(oh_data.beam_maj) as beam_maj,MAX(oh_data.beam_min) as beam_min,MAX(oh_data.beam_pa) as beam_pa,MAX(oh_data.ref) as ref,MAX(oh_data.list_ref) as list_ref,MAX(oh_data.ascii) as ascii,MAX(oh_data.image) as image,MAX(oh_data.descr) as descr,MAX(oh_data.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(oh_data.dist) as dist,MAX(oh_data.date_txt) as date_txt,MAX(oh_data.freq) as freq,MAX(line_det) as line_det FROM oh_data  LEFT JOIN all_objects_withmet ON oh_data.grp=all_objects_withmet.group_name  WHERE ref ilike 'UKI84' AND detected=true AND hide=false GROUP BY ref

select oh_data.ra_hms,oh_data.dec_dms,oh_data.source_name,oh_data.ra,oh_data.dec,oh_data.l,oh_data.b,oh_data.grp,oh_data.vlow,oh_data.vup,oh_data.vpeak,oh_data.vpeak_e,oh_data.vpeak2,oh_data.vpeak2_e,oh_data.dv,oh_data.other_name,oh_data.peak,oh_data.peak_e,oh_data.peak2,oh_data.peak2_e,oh_data.int,oh_data.int_e,oh_data.rms,oh_data.date,oh_data.date2,oh_data.telescope_ref,oh_data.units,oh_data.beam,oh_data.ref,oh_data.list_ref,oh_data.ascii,oh_data.image,oh_data.id,oh_data.date_txt,oh_data.other_name,oh_data.other_desc,oh_data.thermal,oh_data.line,oh_data.vrange,oh_data.vpeak,oh_data.peak,oh_data.fwhm,oh_data.int,oh_data.rms,oh_data.units,oh_data.units_rms,oh_data.date_txt,oh_data.telescope_ref,oh_data.beam,oh_data.beam_maj,oh_data.beam_min,oh_data.beam_pa,oh_data.ref,oh_data.list_ref,oh_data.ascii,oh_data.image,oh_data.descr,oh_data.id,oh_data.mjy_flag,oh_data.rms_mjy_flag,oh_data.dist,oh_data.date_txt,oh_data.freq,line_det FROM oh_data   LEFT JOIN all_objects_withmet ON oh_data.grp=all_objects_withmet.group_name  WHERE ref ilike 'UKI84' AND detected=true AND hide=false ORDER BY detected DESC,id