1998A&A...331..737B


Query : 1998A&A...331..737B

1998A&A...331..737B - Astronomy and Astrophysics, volume 331, 737-741 (1998/3-2)

The Puppis OB III association: polarization measurements.

BHATT H.C., JAIN S.K. and SAGAR R.

Abstract (from CDS):

Optical linear polarization measurements of association members and field stars in the region of the Puppis OB III association are presented. The association members are found to have larger values of polarization than the field stars.In the direction of the association there are two regions of polarizing interstellar medium with magnetic fields that are nearly at right angles to each other. The observed ratio of polarization to reddening for stars in this direction is about a factor of 3 smaller than the mean interstellar value indicating either a very poor efficiency of dust grain alignment, or a magnetic field configuration that is predominantly longitudinal.

Abstract Copyright:

Journal keyword(s): stellar associations: Puppis OB III (Ass Pup OB 3) - polarization - dust, extinction

Simbad objects: 36

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Number of rows : 36
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 CD-32 4876 * 08 07 33.4205750568 -33 03 51.745320792 10.01 10.55 10.13 10.06   O9/B0 15 0
2 CD-33 4622 * 08 10 16.1449821336 -33 25 32.605758408 10.67 11.06 10.9     ~ 5 0
3 CD-34 4452 Em* 08 11 16.2135594168 -34 25 21.571174236 10.17 10.68 10.52 10.68   OB 13 0
4 CD-33 4675 Em* 08 12 21.5291114520 -33 49 45.018151752 10.95 11.76 11.1 11.21   OB+e 19 0
5 CD-36 4326 * 08 12 37.6757752512 -36 40 27.891040224 8.95 9.54 9.47 9.75   O9.5/B0 19 0
6 HD 68843 * 08 12 50.7101155032 -36 13 41.342843028 6.87 7.51 7.63     B6Vnn 19 0
7 V* RS Pup cC* 08 13 04.2157111224 -34 34 42.696447852 8.89 8.51 7.04   5.453 F8Iab 336 0
8 HD 68944 Y*O 08 13 18.1937563560 -36 20 30.257045952 6.61 7.15 7.28     B5V 18 0
9 HD 68962 bC* 08 13 22.6543393440 -36 18 37.501527924 6.54 7.19 7.34     B2/3V 22 0
10 * r Pup Be* 08 13 29.5171968 -35 53 58.266226 3.68 4.66 4.77 4.68 4.77 B1V 178 0
11 CD-34 4495 * 08 13 32.0255718216 -34 27 39.992019444 10.73 11.08 11.1     B0/3 11 0
12 CD-34 4496 * 08 13 35.3610351432 -34 28 43.949023428 9 9.79 9.76 9.67   O8 26 0
13 CD-35 4359 * 08 14 02.4735109056 -35 30 16.336051488 9.86 10.49 10.25     B1/2 10 0
14 HD 69106 * 08 14 03.7995306624 -36 57 07.938057852 6.12 7.020 7.128 8.02   O9.7IIn 116 0
15 HD 69105 * 08 14 05.6450891472 -36 25 32.390968044   7.58 7.68     B8V 12 0
16 CD-36 4360 * 08 14 09.5521708512 -36 44 27.614650452   9.81 9.44     F2 4 0
17 HD 69281 * 08 14 55.1879312592 -36 03 12.691019268 9.1 9.63 9.68     B3III/IV 7 0
18 WRAY 15-184 Em* 08 15 03.0945157200 -34 54 03.241486872 11.23 11.78 11.65 11.82   B0/4 11 0
19 CD-33 4740 * 08 15 06.1051599720 -34 02 14.179211808 10.72 11.1 11.0     B0/5 10 0
20 CD-35 4384 ** 08 15 17.156 -35 44 14.72 9.06 10.02 9.63 9.56 8.99 O9.2III 29 0
21 CD-36 4386 * 08 15 29.8330748760 -36 47 07.331448696 10.67 11.14 11.15     ~ 6 0
22 HD 69425 Be* 08 15 30.4104758664 -37 07 03.012334464 8.47 9.18 9.12 9.57   B2n 36 0
23 CD-35 4394 * 08 15 48.1810281720 -35 46 42.139034868 10.5 10.8 10.7     B0/2 10 0
24 HD 69464 Em* 08 15 48.5652200520 -35 37 52.863334428 8.47 9.11 8.80 9.42   O7Ib(f) 99 0
25 CD-33 4756 * 08 16 05.8685001912 -33 43 27.169974300 10.63 11.08 10.9     ~ 14 0
26 GUM 10 HII 08 16 16.8 -35 37 58           ~ 32 0
27 CD-35 4412 * 08 16 24.7508433288 -35 44 21.500624976 9.32 10.19 9.81 9.77   O9/B0 25 0
28 CD-35 4415 * 08 16 32.0971432488 -35 38 52.926823212 10.7 11.07 10.46 10.45   O7IIInn 19 0
29 CD-33 4781 * 08 17 04.5172408608 -34 08 26.666573388 9.48 9.55 9.329 9.74   A2Ib/II 13 0
30 Ass Pup OB 3 As* 08 18.1 -35 46           ~ 25 0
31 BRAN 133 HII 08 18 52.9 -36 12 15           ~ 13 0
32 CD-35 4471 ** 08 19 03.8922054360 -36 08 44.440702044 8.77 9.85 9.55 9.63   O9.5IV 36 0
33 CD-36 4470 * 08 19 23.1197 -37 17 10.518   10.00 9.45     ~ 3 0
34 CD-36 4469 * 08 19 24.1226131032 -36 52 24.111078780   10.48 10.19     ~ 2 0
35 CD-35 4476 * 08 19 29.8535140752 -35 37 05.722853052 11.24 11.20 10.43 10.29   OB 7 0
36 NGC 2579 OpC 08 20 55.3 -36 13 23           ~ 98 4

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2022.05.22-10:39:23

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