1996A&A...309..544R

Query : 1996A&A...309..544R

1996A&A...309..544R - Astronomy and Astrophysics, volume 309544-557 (1996/5-2)

The infrared and radio continuum of early-type stars.

RUNACRES M.C. and BLOMME R.

Abstract (from CDS):

The infrared and radio continuum fluxes of 18 well-observed early-type stars are studied by comparing observations with theoretical models. The observations are taken from the literature. All available observations are included. The theoretical NLTE models for photosphere and stellar wind include free-free and free-bound emission as well as electron scattering. The good quality of the model is shown by the agreement of the theoretical and observed fluxes for most stars. For four stars (α Cam, δ Ori A, κ Ori and ζ Pup) the observations suggest the presence of an additional emission mechanism (inhomogeneous and/or anisotropic outflow).

Abstract Copyright: ∼

Journal keyword(s): stars: atmospheres - stars: early-type - stars: mass loss - infrared: stars - radio continuum: stars

Simbad objects: 24

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Number of rows : 24
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 15558 Y*O 02 32 42.5366901168 +61 27 21.572901360 7.82 8.37 7.87 7.34 6.94 O4.5III(f) 324 0
2 HD 15570 Y*O 02 32 49.4207394600 +61 22 42.089384892 8.40 8.80 8.11 7.41 6.86 O4If 316 0
3 * ksi Per ** 03 58 57.9024302099 +35 47 27.709515737 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 850 0
4 * alf Cam s*b 04 54 03.0113886719 +66 20 33.633625509 3.47 4.34 4.29 4.18 4.18 O9Ia 675 1
5 * lam Lep ** 05 19 34.5223081894 -13 10 36.369844928 3.03 4.04 4.29 4.41 4.69 B0.5V 322 0
6 * del Ori ** 05 32 00.40009 -00 17 56.7424 0.96 2.02 2.41 2.32 2.54 O9.5IINwk 796 0
7 * eps Ori s*b 05 36 12.81335 -01 12 06.9089 0.48 1.51 1.69 1.76 1.93 B0Ia 921 0
8 * zet Ori A SB* 05 40 45.527143 -01 56 33.26036   1.79 1.90     O9.2IbvarNwk 680 0
9 NAME Flame Nebula HII 05 41 42.7 -01 54 44           ~ 715 1
10 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1498 0
11 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1198 1
12 * kap Ori s*b 05 47 45.3888404 -09 40 10.577707 0.87 1.88 2.06 2.09 2.27 B0.5Ia 588 0
13 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 823 0
14 * zet Pup BY* 08 03 35.04754 -40 00 11.3321 0.89 1.98 2.25 2.36 2.58 O4I(n)fp 1190 1
15 HD 93222 Y*O 10 44 36.2481200208 -60 05 28.890759120 7.26 8.18 8.10 8.91   O7V((f))z 212 0
16 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1071 2
17 * tau Sco * 16 35 52.9528530 -28 12 57.661515 1.55 2.56 2.81 2.93 3.18 B0V 959 0
18 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
19 NGC 6523 Cl* 18 03.2 -24 23           ~ 187 1
20 * 9 Sgr Y*O 18 03 52.4450051016 -24 21 38.632254012 5.08 5.97 5.97 5.72 5.70 O4V((f))z 563 0
21 NGC 6530 OpC 18 04 31 -24 21.5           ~ 443 0
22 HD 207198 Y*? 21 44 53.2791389640 +62 27 38.048647248 5.61 6.25 5.94 5.66 5.49 O8.5II 365 0
23 * 19 Cep * 22 05 08.7897533088 +62 16 47.332569936 4.36 5.19 5.11 4.95 4.92 O9Ib 397 0
24 * lam Cep s*b 22 11 30.5765111040 +59 24 52.154264880 4.55 5.29 5.05 4.77 4.62 O6.5I(n)fp 705 1

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