2015A&A...574A..16M

Query : 2015A&A...574A..16M

2015A&A...574A..16M - Astronomy and Astrophysics, volume 574A16-16 (2015/2-1)

Constraining the shaping mechanism of the Red Rectangle through the spectro-polarimetry of its central star.

MARTINEZ GONZALEZ M.J., ASENSIO RAMOS A., MANSO SAINZ R., CORRADI R.L.M. and LEONE F.

Abstract (from CDS):

We carried out high-sensitivity spectro-polarimetric observations of the central star of the Red Rectangle protoplanetary nebula with the aim of constraining the mechanism that gives its biconical shape. The stellar light of the central binary system is linearly polarised since it is scattered on the dust particles of the nebula. Surprisingly, the linear polarisation in the continuum is aligned with one of the spikes of the biconical outflow. Also, the observed Balmer lines, as well as the CaII K lines, are polarised. These observational constraints are used to confirm or reject current theoretical models for the shaping mechanism of the Red Rectangle. We propose that the observed polarisation is not very likely to be generated by a uniform biconical stellar wind. Also, the hypothesis of a precessing jet does not completely match observations since it requires a larger aperture jet than for the nebula.

Abstract Copyright: ∼

Journal keyword(s): polarization - stars: AGB and post-AGB - planetary nebulae: individual: Red Rectangle

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	HD 44179	pA*	06 19 58.2185496	-10 38 14.706068	9.51	9.33	9.02			B9Ib/II	800	0

Query : 2015A&A...574A..16M

Basic data :

HD 44179 -- Post-AGB Star

* (HD,ALS,...), ** (**,ADS,...), V* (NSV,V*), smm (JCMTSE,JCMTSF), NIR (DENIS,2MASS), IR (IRAS,RAFGL), PN (PN), pA* (1988A&A)

06 19 58.2185496 -10 38 14.706068 (Optical) [ 1.77 1.46 90 ] A 2007A&A...474..653V

06 17 36.9978389 -10 36 51.528801 [ 1.77 1.46 90 ]

218.9680653005 -11.7646963446 [ 1.77 1.46 90 ]

-6.46 -22.74 [2.21 2.03 0] A 2007A&A...474..653V

V(km/s) 21.50 [~] / z(~) 0.000072 [~] / cz 21.50 [~] D 1995A&A...293L..25V

2.27 [2.28] A 2007A&A...474..653V

B9Ib/II C 1999MSS...C05....0H

U 9.51 [~] D 2003AJ....125.2531R

B 9.33 [~] E ~

V 9.02 [~] E ~

G 9.407743 [0.006797] C 2022yCat.1355....0G

J 6.577 [0.027] C 2003yCat.2246....0C

H 5.145 [0.015] C 2003yCat.2246....0C

K 3.655 [0.252] D 2003yCat.2246....0C

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`HD 44179`	`GSC2 S1003213403`	`NAME Red Rectangle`	*`V V777 Mon`**
` A 2925AB`**	`GSC 05367-01134`	`NSV 2919`	`WDS J06200-1038AB`
`ADS 4954 AB`	`HIC 30089`	`PN G218.9-11.7`	`YZC 11 1886`
`AKARI-FIS-V1 J0619582-103822`	`HIP 30089`	`PPM 217028`	`[LFO93] 0617-10`
`ALS 19755`	`IDS 06153-1036 AB`	`RAFGL 915`	`Gaia DR2 3001477146793228288`
`BD-10 1476`	`IRAS 06176-1036`	`SAO 151362`	`Gaia DR3 3001477146793228288`
`CCDM J06200-1038AB`	`JCMTSE J061958.3-103814`	`TIC 443055285`
`DENIS J061958.2-103814`	`JCMTSF J061958.3-103814`	`TYC 5367-1134-1`
`GEN# +1.00044179`	`2MASS J06195821-1038146`	`uvby98 100044179`

References (800 between 1850 and 2026) (Total 800)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : HD 44179

Link by name to the catalogue in VizieR :

`HD 44179`	`AKARI-FIS-V1 J0619582-103822`	`ALS 19755`	`BD-10 1476`	`CCDM J06200-1038AB`
`DENIS J061958.2-103814`	`GSC 05367-01134`	`HIC 30089`	`HIP 30089`	`IRAS 06176-1036`
`2MASS J06195821-1038146`	`NSV 2919`	`PN G218.9-11.7`	`PPM 217028`	`RAFGL 915`
`SAO 151362`	`TYC 5367-1134-1`	`uvby98 100044179`	*`V V777 Mon`**	`WDS J06200-1038AB`
`YZC 11 1886`	`Gaia DR2 3001477146793228288`	`Gaia DR3 3001477146793228288`

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