2005A&A...442..281K


Query : 2005A&A...442..281K

2005A&A...442..281K - Astronomy and Astrophysics, volume 442, 281-308 (2005/10-4)

Broad-band photometric colors and effective temperature calibrations for late-type giants. I. Z=0.02.

KUCINSKAS A., HAUSCHILDT P.H., LUDWIG H.-G., BROTT I., VANSEVICIUS V., LINDEGREN L., TANABE T. and ALLARD F.

Abstract (from CDS):

We present new synthetic broad-band photometric colors for late-type giants based on synthetic spectra calculated with the PHOENIX model atmosphere code. The grid covers effective temperatures Teff=3000...5000K, gravities logg=-0.5...+3.5, and metallicities [M/H]=+0.5...-4.0. We show that individual broad-band photometric colors are strongly affected by model parameters such as molecular opacities, gravity, microturbulent velocity, and stellar mass. Our exploratory 3D modeling of a prototypical late-type giant shows that convection has a noticeable effect on the photometric colors too, as it alters significantly both the vertical and horizontal thermal structures in the outer atmosphere. The differences between colors calculated with full 3D hydrodynamical and 1D model atmospheres are significant (e.g., Δ(V-K)∼0.2mag), translating into offsets in effective temperature of up to ∼70K. For a sample of 74 late-type giants in the Solar neighborhood, with interferometric effective temperatures and broad-band photometry available in the literature, we compare observed colors with a new PHOENIX grid of synthetic photometric colors, as well as with photometric colors calculated with the MARCS and ATLAS model atmosphere codes. We find good agreement of the new synthetic colors with observations and published Teff-color and color-color relations, especially in the Teff-(V-K), Teff-(J-K) and (J-K)-(V-K) planes. Deviations from the observed trends in the Teff-color planes are generally within ±100K for Teff=3500 to 4800K. Synthetic colors calculated with different stellar atmosphere models agree to ±100K, within a large range of effective temperatures and gravities. The comparison of the observed and synthetic spectra of late-type giants shows that discrepancies result from the differences both in the strengths of various spectral lines/bands (especially those of molecular bands, such as TiO, H2O, CO) and the continuum level. Finally, we derive several new Teff-logg-color relations for late-type giants at solar-metallicity (valid for Teff=3500 to 4800K), based both on the observed effective temperatures and colors of the nearby giants, and synthetic colors produced with PHOENIX, MARCS and ATLAS model atmospheres.

Abstract Copyright:

Journal keyword(s): stars: atmospheres - stars: late-type - stars: fundamental parameters - techniques: photometric - hydrodynamics

VizieR on-line data: <Available at CDS (J/A+A/442/281): table2.dat>

CDS comments: In table 3 * rho Aur is a misprint for * rho Boo (HD 127665)

Simbad objects: 80

goto Full paper

goto View the references in ADS

Number of rows : 80
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 HD 1632 * 00 20 45.5169107040 +32 54 40.272404904   7.381 5.794     K5III 37 0
2 HD 5316 V* 00 55 14.6732817072 +24 33 25.430887548   7.770 6.240     M4III 47 0
3 V* WW Psc LP* 00 59 49.6871167920 +06 28 59.614071060 9.800 7.810 6.140     M2.5III 67 0
4 * bet And PM* 01 09 43.92388 +35 37 14.0075 5.58 3.62 2.05 0.81 -0.19 M0+IIIa 543 0
5 * chi Psc * 01 11 27.2187720 +21 02 04.740561   5.679 4.658     G8.5III 119 0
6 * l Psc PM* 01 21 07.3730171112 +28 44 17.545909668   6.630 5.223     K5III 41 0
7 HD 9640 PM* 01 34 49.0652038872 +18 27 37.841815476   7.435 5.903     M2III 36 0
8 HD 11928 PM* 01 57 43.7441690352 +27 48 15.757926948   7.402 5.850     M2III 32 0
9 * alf Ari PM* 02 07 10.40570 +23 27 44.7032 4.29 3.17 2.01 1.15 0.54 K2-IIIbCa-1 616 1
10 * 15 Ari LP* 02 10 37.5968885640 +19 30 01.212127560   7.309 5.688     M3-IIIab 68 0
11 * 14 Tri SB* 02 32 06.1697711376 +36 08 50.181275364   6.627 5.144     K5III 82 0
12 * rho02 Ari LP* 02 55 48.4979998 +18 19 53.902936 8.56 7.44 5.93 3.51 1.34 M6-III: 218 0
13 * 24 Per * 02 59 03.6768425424 +35 10 59.271233124 7.460 6.170 4.930     K2III 119 0
14 * alf Cet LP? 03 02 16.77307 +04 05 23.0596 6.10 4.17 2.53 1.18 0.02 M1.5IIIa 450 0
15 * 54 Per * 04 20 24.6379073928 +34 34 00.213397500   5.867 4.929     G8+IIIb 134 0
16 * eps Tau ** 04 28 37.0002551195 +19 10 49.563140930 5.42 4.54 3.53     G9.5IIICN0.5 570 1
17 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1225 1
18 * 1 Aur PM* 04 49 54.6394565 +37 29 17.793572   6.312 4.867     K3+III 98 0
19 * 2 Aur * 04 52 37.9803457176 +36 42 11.477114460   6.164 4.779     K3-IIIBa0.4 137 0
20 HD 33463 V* 05 11 38.3113157256 +29 54 12.829294548   8.139 6.423     M2III 30 0
21 * n Tau PM* 05 19 16.6061769240 +22 05 47.421418380   5.894 4.948     G8III 107 0
22 * tau Aur * 05 49 10.4382558 +39 10 51.862703 6.160 5.450 4.500 3.80 3.31 G8IIIbFe-1 144 0
23 * nu. Aur * 05 51 29.3694581040 +39 08 54.686085540 6.160 5.090 3.950 3.15 2.59 K0.5IIICN0.5 194 0
24 HD 42471 * 06 12 20.1250774800 +32 41 36.173610600   7.409 5.769     M1III 31 0
25 * kap Aur PM* 06 15 22.6890616 +29 29 53.076043 6.17 5.36 4.35 3.55 3.01 G8.5IIIb 206 0
26 * ome Gem Ce* 07 02 24.7799925192 +24 12 55.606511880   6.136 5.181     G5IIa 115 0
27 * 63 Aur * 07 11 39.3265259952 +39 19 13.981218528   6.353 4.886     K4III 104 0
28 * 66 Aur * 07 24 08.4675588912 +40 40 20.599881492   6.434 5.188     K0.5IIIa 99 0
29 * f Gem ** 07 39 28.5933680280 +17 40 28.278616584 8.53 6.61 5.05     K5.5III 78 0
30 * bet Gem PM* 07 45 18.94987 +28 01 34.3160 3.00 2.14 1.14 0.39 -0.11 K0IIIb 1081 1
31 V* RS Cnc S* 09 10 38.7978379 +30 57 47.295961 8.65 7.62 5.95 3.06 0.73 M6S 306 0
32 * alf Lyn PM* 09 21 03.3002104870 +34 23 33.213441656 6.63 4.69 3.14 1.91 1.01 K6III 203 0
33 * alf Hya * 09 27 35.24270 -08 39 30.9583 5.14 3.42 1.97 0.93 0.16 K3IIIa 420 0
34 * pi. Leo V* 10 00 12.8058902 +08 02 39.203224 8.22 6.30 4.70 3.27 2.19 M2-III 143 0
35 * 31 Leo PM* 10 07 54.2701166766 +09 59 51.024749763 7.57 5.82 4.38 3.26 2.49 K3.5IIIbFe-1: 134 0
36 * e Leo * 11 30 18.8933524920 -03 00 12.598924644 8.14 6.31 4.77     K3+IIIFe-0.5 132 0
37 V* BK Vir AB* 12 30 21.0136448232 +04 24 59.142255840 9.60 8.82 7.28     M7-III: 141 0
38 * del Vir RG* 12 55 36.2086058 +03 23 50.893225 6.76 4.97 3.38 1.86 0.53 M3+III 265 0
39 V* SW Vir AB* 13 14 04.3830437280 -02 48 25.130666916 9.24 8.52 6.85     M7III: 256 0
40 * m Vir PM* 13 41 36.7700844816 -08 42 10.729027692 8.59 6.64 5.01     M1+III 107 0
41 HD 120819 PM* 13 51 09.2157227640 +34 39 51.833773656 9.45 7.49 5.87     M2III 40 0
42 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2248 0
43 V* RX Boo AB* 14 24 11.6253191184 +25 42 13.394221596   9.23 8.60     M7.5-M8 431 0
44 * rho Boo PM* 14 31 49.7893292450 +30 22 17.171652275 6.33 4.89 3.59 2.67 2.02 K3-III 252 0
45 HD 130084 PM* 14 45 13.7117603376 +32 47 18.041993376 9.76 7.86 6.28     M1III 42 0
46 * bet UMi V* 14 50 42.32580 +74 09 19.8142 5.32 3.55 2.08 0.97 0.21 K4-III 316 0
47 * nu. Lib * 15 06 37.5965113128 -16 15 24.546990276 8.70 6.78 5.20     K5-III 93 0
48 * b Boo SB* 15 08 23.7831000288 +26 18 04.154791644   6.921 5.669     K2III 53 0
49 * del Boo PM* 15 15 30.1629518 +33 18 53.392558 5.12 4.44 3.49 2.76 2.25 G8IIIFe-1 368 0
50 * omi CrB PM* 15 20 08.5586504208 +29 36 58.345262280 7.30 6.53 5.51     K0III 139 1
51 HD 137853 SB* 15 27 38.8731247176 +25 06 05.826980268   7.64 6.02     M1III 32 0
52 * tau04 Ser LP* 15 36 28.1826518520 +15 06 05.239977444 8.64 7.64 6.25     M5IIIa 100 0
53 * 42 Lib * 15 40 16.8973226160 -23 49 05.101136148 7.80 6.29 4.96 4.00 3.32 K3-IIICN2 113 0
54 * del Oph PM* 16 14 20.73853 -03 41 39.5612 6.30 4.34 2.75 1.46 0.43 M0.5III 352 0
55 * nu.01 CrB V* 16 22 21.4248332640 +33 47 56.588029872 8.74 6.80 5.20     M2III 51 0
56 HD 150580 * 16 41 00.5816003808 +24 51 31.332323376   7.407 6.070     K2 25 0
57 * 50 Her V* 16 50 38.9584958016 +29 48 23.542880076 9.24 7.32 5.72     M1III 46 0
58 HD 160677 * 17 39 57.5178688728 +31 12 08.890500312 9.59 7.61 6.03     M2III 29 0
59 * gam Dra * 17 56 36.36988 +51 29 20.0242 5.630 3.760 2.230 1.08 0.23 K5III 540 0
60 HD 167193 PM* 18 13 16.5636575376 +21 52 49.295777268   7.609 6.132     K4III 47 0
61 * lam Sgr PM* 18 27 58.2407185 -25 25 18.114589 4.75 3.85 2.81 2.06 1.50 K1IIIb 269 0
62 * 13 Lyr LP* 18 55 20.1022285 +43 56 45.931489 7.00 5.59 4.00 1.95 0.04 M4.5III 308 1
63 * ksi02 Sgr * 18 57 43.7990826 -21 06 23.961268 5.82 4.69 3.51 2.71 2.12 G8/K0II/III 115 0
64 HD 177808 PM* 19 04 57.8747104152 +31 44 38.655167964 9.01 7.10 5.56     M0III 49 0
65 HD 177809 V* 19 04 58.2870210408 +30 44 00.256576848 9.49 7.61 6.06     M2III 26 0
66 * gam Sge PM* 19 58 45.4286265 +19 29 31.728079 6.97 5.04 3.47 2.27 1.35 M0-III 253 0
67 * 39 Cyg SB* 20 23 51.6206989 +32 11 24.619097 7.27 5.77 4.44 3.43 2.76 K2.5IIIFe-0.5 135 0
68 V* EU Del LP* 20 37 54.7276970976 +18 16 06.894742044 8.42 7.38 5.89 3.24 0.97 M6III 172 0
69 * ups Cap V* 20 40 02.9443337424 -18 08 19.166684604 8.75 6.76 5.10     M1III 95 0
70 * 32 Vul V* 20 54 33.6391752552 +28 03 27.445294476 8.28 6.49 5.01     K4III 72 0
71 HD 200044 PM* 21 00 27.6883176528 +19 19 46.492956732   7.265 5.702     M3III 39 0
72 HD 212988 PM* 22 27 46.2548811960 +31 50 24.166275720   7.432 5.986     K2 17 0
73 * lam Aqr LP* 22 52 36.8740445376 -07 34 46.548925356 7.20 5.44 3.79 2.37 1.18 M2.5IIIFe-0.5 172 0
74 * bet Peg LP* 23 03 46.45746 +28 04 58.0336 6.05 4.09 2.42 0.92 -0.40 M2.5II-III 585 0
75 * phi Aqr SB* 23 14 19.3582404192 -06 02 56.423128812 7.64 5.77 4.22 2.94 1.86 M1.5III 127 0
76 * 14 And PM* 23 31 17.4132523248 +39 14 10.314703644   6.24   4.6   G8III 168 1
77 HD 221662 V* 23 33 55.4908710312 +20 50 27.357660600   7.757 6.111     M3III 29 0
78 * 23 Psc PM* 23 52 23.3904155856 +21 40 15.962598300   7.713 6.113     M2III 27 0
79 HD 224303 V* 23 56 41.5013127480 +22 38 53.136250620   7.764 6.166     M2III 35 0
80 * psi Peg ** 23 57 45.5268071 +25 08 29.047968 7.91 6.25 4.66 3.20 1.86 M3III 122 0

To bookmark this query, right click on this link: simbad:objects in 2005A&A...442..281K and select 'bookmark this link' or equivalent in the popup menu


2022.12.09-05:50:29

© Université de Strasbourg/CNRS

    • Contact