2005AJ....129.2451P

Query : 2005AJ....129.2451P

2005AJ....129.2451P - Astron. J., 129, 2451-2460 (2005/May-0)

Polarization measurements of post-asymptotic giant branch candidates and related stars.

PARTHASARATHY M., JAIN S.K. and SARKAR G.

Abstract (from CDS):

We have obtained UBVRI polarization measurements of 26 post-asymptotic giant branch (post-AGB) candidates and related stars. The extremely metal-poor post-AGB star HR 4049 has been observed several times. In most cases we find the objects to be intrinsically polarized. The polarization measurements presented in this paper indicate asymmetric circumstellar dust shells and disks around these stars. For some objects the steep percent polarization λ-dependence and large degree of polarization suggest that scattering by circumstellar dust grains may be responsible for the observed polarizations in the blue.

Abstract Copyright: ∼

Journal keyword(s): Stars: Circumstellar Matter - Infrared: Stars - Polarization - Stars: AGB and Post-AGB - Stars: Evolution

Simbad objects: 27

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Number of rows : 27
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 231 Pu* 00 07 04.1413006272 +06 52 32.020561884   7.64 7.43     A5 17 0
2 IRAS 00047+0637 LP* 00 07 16.4658150840 +06 54 33.330075372   12.32 10.85     M2 8 0
3 BD+48 1220 pA* 05 07 50.2990039704 +48 24 09.438598872   10.15 9.74     A4Ia 36 0
4 V* V382 Aur pA* 06 37 52.4269199856 +53 31 01.958446992   9.585 9.295 9.078   F7IV: 138 0
5 V* PS Gem pA* 07 03 39.6305052432 +10 46 13.068774048   7.76 7.37     A0 130 0
6 HD 56126 pA* 07 16 10.2590823192 +09 59 47.954735376   9.20 8.32     F0/5Ia 330 0
7 V* AI CMi pA* 07 35 41.1506935176 +00 14 57.993628992   9.83 8.31     G5Iab 64 0
8 V* V341 Car LP* 07 56 50.9467537248 -59 07 32.758871196 10.62 8.33 6.25     M1II 88 0
9 HD 89353 pA* 10 18 07.5899342712 -28 59 31.195183524   5.76 5.53     B9.5Ib/II 315 0
10 HD 302821 sg* 10 23 19.4847405144 -59 32 04.566918624   10.59 9.17     A7Ie 86 1
11 V* V802 Car pA* 11 02 04.3154924592 -62 09 42.834006396   9.57 8.90 9.38   F2III 60 0
12 HD 100764 Pe* 11 35 42.7476078432 -14 35 36.666013272   9.83 8.70 8.08 7.65 C-H2.5 113 0
13 HD 101584 pA* 11 40 58.8051522552 -55 34 25.814696232 7.80 7.40 7.01     B8/9I/IIe 156 0
14 CD-53 4543 pA* 12 20 15.0622728552 -53 55 31.444773420 10.29 9.74 9.36 9.69   A7I 49 0
15 HD 108015 pA* 12 24 53.5035641784 -47 09 07.499485656   8.379 7.96     F3/5Ib/II 67 0
16 V* LN Hya pA* 12 56 30.1302499344 -26 27 37.047715704   9.104 8.697   9.291 F3Ia 126 0
17 HD 133656 pA* 15 07 27.4396006536 -48 17 53.894056668 8.09 7.88 7.58 8.45   A5Iab 58 0
18 CD-59 6142 pA* 16 25 02.6099313408 -60 03 32.317608456 9.85 10.31 9.97 10.00   A0Iae 44 0
19 HD 161796 pA* 17 44 55.4694563472 +50 02 39.482823336 8.00 7.68 7.21 6.77 6.51 F3Ib 335 0
20 * 89 Her pA* 17 55 25.1883476136 +26 02 59.968457664 5.36 5.70 5.36 5.06 4.94 F2Ibp 421 0
21 HD 335675 pA* 18 11 30.6621530616 +27 05 15.637762608   11.52 10.55     F3Ib 119 0
22 HD 168625 s*b 18 21 19.5484021368 -16 22 26.075142156 10.15 9.78 8.37 8.76   B8Ia+ 293 2
23 HD 179821 pA* 19 13 58.6082398776 +00 07 31.935181836 10.81 9.694 8.19     G4_0-Ia 247 0
24 V* TW Aql pA* 19 51 00.9360550848 +13 58 15.571791588   11.26 10.24     K7 24 0
25 HD 187885 pA* 19 52 52.7033593752 -17 01 50.289441096   9.25 8.68 8.32   F2/6Ia 185 0
26 V* V1027 Cyg pA* 20 02 27.3758569872 +30 04 25.489040916   10.85 8.65     G7Ia 69 0
27 HD 235858 pA* 22 29 10.3748806056 +54 51 06.344572284   11.40 9.52 8.47 7.34 G5Ia 264 0

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