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| Query : 1994A&AS..106..413H |
1994A&AS..106..413H - Astron. Astrophys., Suppl. Ser., 106, 413-418 (1994/September-0)
Spectral classification of symbiotic stars in the near infrared.
HUANG C.C., FRIEDJUNG M. and ZHOU Z.X.
Abstract (from CDS):
We present preliminary results of near infrared observations of 6 S type symbiotic binaries, made with the aim of confirming and improving previous spectral classifications of the cool component. Representative CCD spectra of some symbiotic and comparison stars in the region of the CaII infrared triplet are displayed. On our spectrograms at a dispersion of 33A/mm the FeI/TiII blend at 8469A and the FeI line at 8514A are more useful luminosity discriminants for symbiotics than the CaII triplet (8498, 8542 and 8662A) which is disturbed in some symbiotic spectra by emission components of the CaII triplet and of Paschen lines. The temperature classification of late M cool components can be reliably derived from strengths of TiO and VO bands. Preliminary new spectral types and luminosity classes of six observed symbiotic stars are described and discussed.
Abstract Copyright: ∼
Journal keyword(s): (stars:) binaries: symbiotic, stars: fundamental parameters
Simbad objects: 31
| Number of rows : 31 |
| 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 | * tet UMa | PM* | 09 32 51.4309337983 | +51 40 38.333310508 | 3.67 | 3.64 | 3.18 | 2.74 | 2.47 | F7V | 434 | 0 |
| 2 | * alf UMa | ** | 11 03 43.67152 | +61 45 03.7249 | 3.78 | 2.86 | 1.79 | 0.98 | 0.40 | G9III+A7.5 | 448 | 0 |
| 3 | HD 115337 | * | 13 12 25.4326921804 | +80 28 16.708953797 | 7.33 | 6.33 | G8III | 32 | 0 | |||
| 4 | * ups Boo | PM* | 13 49 28.6412870007 | +15 47 52.456719303 | 7.46 | 5.59 | 4.07 | 2.87 | 2.00 | K5.5III | 161 | 0 |
| 5 | * 20 Boo | PM* | 14 19 45.2351074992 | +16 18 25.010494488 | 4.1 | K3III | 163 | 0 | ||||
| 6 | V* EK Boo | LP? | 14 46 05.9426993007 | +15 07 54.411177125 | 8.51 | 7.20 | 5.63 | M5+IIIab | 87 | 0 | ||
| 7 | * 18 Lib | PM* | 14 58 53.5813630608 | -11 08 38.462393832 | 7.146 | 5.857 | K3-IIICN2 | 129 | 0 | |||
| 8 | * iot Dra | V* | 15 24 55.7738042889 | +58 57 57.837111857 | 5.68 | 4.45 | 3.29 | 2.51 | 1.91 | K2III | 428 | 1 |
| 9 | * 2 Her | PM* | 15 54 37.8497228904 | +43 08 18.830085396 | 8.98 | 7.02 | 5.38 | 3.90 | 2.65 | M3-III | 69 | 0 |
| 10 | V* AG Dra | Sy* | 16 01 41.0120557968 | +66 48 10.135056672 | 11.50 | 11.06 | 9.74 | 8.52 | K3IIIep | 520 | 0 | |
| 11 | * g Her | AB* | 16 28 38.5495839988 | +41 52 54.044914927 | 7.70 | 6.53 | 5.01 | 2.49 | 0.26 | M6-III | 390 | 0 |
| 12 | * bet Her | SB* | 16 30 13.2003216885 | +21 29 22.598684027 | 4.39 | 3.70 | 2.77 | 2.13 | 1.65 | G7IIIaFe-0.5 | 331 | 0 |
| 13 | * 32 Oph | PM* | 17 03 07.8711020736 | +14 05 31.013994084 | 8.51 | 6.58 | 4.98 | 3.54 | 2.33 | M3-III | 94 | 0 |
| 14 | * alf Her A | LP* | 17 14 38.852741 | +14 23 25.33577 | 4.67 | 3.33 | M5Ib-II | 448 | 0 | |||
| 15 | * pi. Her | V* | 17 15 02.8342463677 | +36 48 32.981576254 | 6.28 | 4.61 | 3.18 | 2.22 | 1.49 | K3II | 256 | 0 |
| 16 | HD 166208 | SB* | 18 07 28.7442485448 | +43 27 42.802503948 | 5.915 | 4.997 | G8IIICN-1CH-3 | 160 | 0 | |||
| 17 | EM* AS 297 | Sy* | 18 14 34.1920736832 | +20 59 21.189578820 | 11.10 | M4.0III | 153 | 0 | ||||
| 18 | V* XY Lyr | LP* | 18 38 06.4762596528 | +39 40 05.975752044 | 9.09 | 7.67 | 6.05 | 3.84 | 1.88 | M4.5-M5+II | 131 | 0 |
| 19 | * eps Sct | * | 18 43 31.2509020224 | -08 16 30.765630720 | 5.998 | 4.889 | G8IIb | 95 | 0 | |||
| 20 | * del02 Lyr | LP* | 18 54 30.2826884969 | +36 53 55.031674618 | 7.62 | 5.97 | 4.30 | 2.52 | 0.89 | M4II | 251 | 0 |
| 21 | * tet Lyr | * | 19 16 22.0933692526 | +38 08 01.471362063 | 6.87 | 5.64 | 4.38 | 3.51 | 2.93 | K0II | 201 | 0 |
| 22 | V* CH Cyg | Sy* | 19 24 33.0657463320 | +50 14 29.095038672 | 8.14 | 8.77 | 7.08 | 5.345 | M7IIIab+Be | 798 | 0 | |
| 23 | * alf Vul | PM* | 19 28 42.3299213429 | +24 39 53.661067470 | 7.77 | 5.95 | 4.45 | 3.24 | 2.27 | M0.5IIIb | 194 | 0 |
| 24 | HD 183589 | * | 19 30 10.5351087360 | +02 54 14.663673360 | 7.839 | 6.042 | K5III | 33 | 0 | |||
| 25 | V* CI Cyg | Sy* | 19 50 11.8342618008 | +35 41 03.004794996 | 11.97 | 9.90 | M4.9III | 433 | 0 | |||
| 26 | V* T Cyg | AB* | 20 47 10.7523451296 | +34 22 26.841017100 | 6.224 | 4.930 | 5.33 | K3III | 79 | 0 | ||
| 27 | * mu. Cep | s*r | 21 43 30.4595558543 | +58 46 48.165937434 | 8.85 | 6.43 | 4.08 | 1.98 | 0.22 | M2-Ia | 695 | 1 |
| 28 | * 12 Peg | s*r | 21 46 04.3635268800 | +22 56 55.964753592 | 6.622 | 5.266 | K0IbHdel0.5 | 134 | 0 | |||
| 29 | V* AG Peg | Sy* | 21 51 01.9739297352 | +12 37 32.127939336 | 9.85 | 8.69 | M3IIIe | 534 | 0 | |||
| 30 | * 5 Lac | s*r | 22 29 31.8281552924 | +47 42 24.861238614 | 7.15 | 6.05 | 4.37 | 2.98 | 1.91 | K9Ia+B2V | 152 | 0 |
| 31 | V* Z And | Sy* | 23 33 39.9553225728 | +48 49 05.974867308 | 8.86 | 9.35 | 8.00 | M2III+B1eq | 542 | 0 |
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