標(biāo)題: Titlebook: Close Binaries in the 21st Century: New Opportunities and Challenges; àlvaro Giménez,Edward Guinan,Slavek Rucinski Book 2006 Springer Scie [打印本頁(yè)] 作者: GURU 時(shí)間: 2025-3-21 17:35
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書(shū)目名稱(chēng)Close Binaries in the 21st Century: New Opportunities and Challenges影響因子(影響力)學(xué)科排名
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書(shū)目名稱(chēng)Close Binaries in the 21st Century: New Opportunities and Challenges網(wǎng)絡(luò)公開(kāi)度學(xué)科排名
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書(shū)目名稱(chēng)Close Binaries in the 21st Century: New Opportunities and Challenges被引頻次學(xué)科排名
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書(shū)目名稱(chēng)Close Binaries in the 21st Century: New Opportunities and Challenges讀者反饋
書(shū)目名稱(chēng)Close Binaries in the 21st Century: New Opportunities and Challenges讀者反饋學(xué)科排名
作者: Parabola 時(shí)間: 2025-3-21 23:07 作者: Ganglion-Cyst 時(shí)間: 2025-3-22 03:38 作者: paltry 時(shí)間: 2025-3-22 05:03 作者: infringe 時(shí)間: 2025-3-22 11:10 作者: escalate 時(shí)間: 2025-3-22 14:25
Allgemeine kreisgeometrische Vierpoltheorie, it possible (even easy) to study faint, astrophysically important binaries that in the past could only be done with large 4 + meter class telescopes. Also, the panoramic nature of CCDs (and the use of mosaics), permit large numbers of stars to be imaged and studied. At this conference, most of the 作者: escalate 時(shí)間: 2025-3-22 19:32
https://doi.org/10.1007/978-3-658-18131-4sing the VLA and ATCA. Also, high-dispersion spectropolarimetry using the AAT enabled Zeeman-Doppler imaging to be performed. Our interpretations infer strong localised concentrations of the stellar magnetic field, manifested by surface activity and related large coronal plasma structures. Comprehen作者: canvass 時(shí)間: 2025-3-23 01:05
Funktionsprototyp und Fahrversuch, stellar X-ray population in the solar neighborhood and in Star Forming Regions (SFRs). The sources have been selected from the RasTyc sample, obtained by the cross-correlation between the ROSAT all-sky survey and Tycho catalogues (.). Thanks to the high resolution spectroscopy, we have obtained goo作者: 持續(xù) 時(shí)間: 2025-3-23 01:44
Yoshiyuki Takano,Paul T. P. Wonghe study of well-detached eclipsing binaries and are valid for any degree of limb darkening and type of transit as well as for eccentric orbits. The only assumption is that the projections of the star and the planet on the plane of the sky are well represented by circular discs. The procedure to get作者: 有組織 時(shí)間: 2025-3-23 07:43 作者: crockery 時(shí)間: 2025-3-23 12:01
Sowmya Puttaraju,Tony Brian D’souzaew absolute dimensions of the system were calculated using the results of the light-curve analysis. Period variation of the system was also investigated. Several new times of minima have been secured for this problematic system. An apsidal motion with a period of 80.7 years was confirmed and a third作者: Oratory 時(shí)間: 2025-3-23 16:59
https://doi.org/10.1007/978-3-031-52011-2lected from the literature. The character of the (.) diagram can be approximated with a cyclic variation superimposed on a quadratic variation. The quadratic variation can be explained in terms of mass exchange/loss mechanism in the system, while the cyclic variation could be attributed to the light作者: Legend 時(shí)間: 2025-3-23 19:48 作者: peak-flow 時(shí)間: 2025-3-23 22:10
Scham — ein menschliches Gefühlof 12 years were analyzed with a Wilson-Devinney-based solution code. Setting off from a set of parameters derived from spectroscopic investigations a consistent photometric solution was achieved. In accordance with the spectroscopic findings the eccentricity was determined as . = 0.128 and the apsi作者: 口味 時(shí)間: 2025-3-24 03:58
Hermann Geissbühler,Willi Nafzgeral smaller telescopes located at various places in the CESE region. Preliminary results, based on a pilot study started in 2001, about radial velocity and light curve variations of the active WUMa system LS Del are presented here.作者: 失敗主義者 時(shí)間: 2025-3-24 07:39 作者: laxative 時(shí)間: 2025-3-24 14:44
Rolf Kühn,Michael Raub,Michael Titzee-type stellar components (HD 82159 (BD +11 2052 A); HIP 63322 (BD +39 2587); HD 160934 (RE J1738 +611); HD 89959 (BD +41 2078); HD 143705 (BD +29 2752); HD 138157 (OX Ser)). The orbital solution has been obtained using precise radial velocities determined by cross-correlation with radial velocity s作者: 燈絲 時(shí)間: 2025-3-24 15:28 作者: beta-cells 時(shí)間: 2025-3-24 21:37
https://doi.org/10.1007/978-3-663-02904-5 at the Ankara University Observatory. Among the systems of our observing list are CK Boo, V502 Oph and V836 Cyg that show long-term secular variations in their orbital periods. We use classical O-C diagram analysis technique as a tool to reveal the character of the period variations of these binary作者: humectant 時(shí)間: 2025-3-25 01:14
https://doi.org/10.1007/978-3-662-29772-8are inclined to each other by more than about 39°deg (sin. √2/5). Such an inclination can induce ‘Kozai cycles’ (.), in which the eccentricity of the inner orbit cycles by a large amount while its period and therefore semimajor axis remains roughly constant. During those periastra when the eccentric作者: 瘙癢 時(shí)間: 2025-3-25 04:08
Scharia-konforme Finanzinstrumentesulting in a mass ratio inversion. Their secondaries are oversized due to depletion of hydrogen, and in many cases they possess small helium cores. An alternative evolutionary scenario leading to such a configuration is presented. Differences between the evolution of binaries with the initial mass r作者: 受辱 時(shí)間: 2025-3-25 10:22
Hermann Geissbühler,Willi Nafzgeral smaller telescopes located at various places in the CESE region. Preliminary results, based on a pilot study started in 2001, about radial velocity and light curve variations of the active WUMa system LS Del are presented here.作者: 強(qiáng)制性 時(shí)間: 2025-3-25 14:38
https://doi.org/10.1007/978-3-663-02904-5atory, Greece. Their analysis with the W-D program indicates a semidetached configuration with possible cool spots, although no O’ Connell effect is present and a strong asymmetry after . can be explained assuming either a strong flare or circumstellar matter.作者: aviator 時(shí)間: 2025-3-25 16:07 作者: Gullible 時(shí)間: 2025-3-25 23:41 作者: A精確的 時(shí)間: 2025-3-26 04:10 作者: 記憶法 時(shí)間: 2025-3-26 06:43
https://doi.org/10.1007/978-3-662-29772-8We present the results of a statistical investigation of the period-color and period-bolometric magnitude relations using a carefully selected sample of 120 contact systems with known physical parameters.作者: 含水層 時(shí)間: 2025-3-26 11:40 作者: 干旱 時(shí)間: 2025-3-26 16:39 作者: 單調(diào)女 時(shí)間: 2025-3-26 18:40 作者: 揉雜 時(shí)間: 2025-3-26 22:43
978-90-481-7259-7Springer Science+Business Media B.V. 2006作者: 幾何學(xué)家 時(shí)間: 2025-3-27 04:48
àlvaro Giménez,Edward Guinan,Slavek RucinskiContributions to this conference covered the latest achievements in the field and reflected the state of the art of the dynamically evolving area of binary research作者: Acclaim 時(shí)間: 2025-3-27 08:42
http://image.papertrans.cn/c/image/228348.jpg作者: conflate 時(shí)間: 2025-3-27 12:53
Sowmya Puttaraju,Tony Brian D’souza body in a pretty eccentric orbit (.. = 0.90 ± 0.08) with a period of 85.4 years was found. The corresponding internal structure constants of the binary system, log.., and the mass of the third body were derived.作者: 不持續(xù)就爆 時(shí)間: 2025-3-27 15:34
Hermann Geissbühler,Willi Nafzgerf the measured data for the ellipticity effect does not yield correct result. Instead, ellipticity calculated from exact stellar parameters should be removed from the data to get reliable spotted light curves.作者: Cloudburst 時(shí)間: 2025-3-27 19:09 作者: persistence 時(shí)間: 2025-3-27 23:05
Yoshiyuki Takano,Paul T. P. Wongis given together with some discussion on their practical application. Examples are shown for OGLE-TR-113, representative of a light curve obtained with ground-based telescopes, and HD 209458 with a precise light curve obtained with the ..作者: Accolade 時(shí)間: 2025-3-28 03:36
Multisite, Multiwavelength Studies of the Active Cool Binary CC Eri,wave radio emission is usually low level (‘quiescent’), but occasionally flares of several mJy peak intensity are observed. We associate the emission, generally, with wave-like mechanisms, expanding through the outer atmosphere. Related characteristics of this emission are discussed.作者: Needlework 時(shí)間: 2025-3-28 07:40 作者: 意外 時(shí)間: 2025-3-28 14:10 作者: 神刊 時(shí)間: 2025-3-28 18:20 作者: 乞丐 時(shí)間: 2025-3-28 18:51 作者: arthroplasty 時(shí)間: 2025-3-28 23:39 作者: 初學(xué)者 時(shí)間: 2025-3-29 06:59
Scham — ein menschliches Gefühl consistent photometric solution was achieved. In accordance with the spectroscopic findings the eccentricity was determined as . = 0.128 and the apsidal motion with a spectroscopic period of about 150 days was confirmed.作者: TOXIC 時(shí)間: 2025-3-29 07:53
The Period Variation of V839 Oph,adratic variation can be explained in terms of mass exchange/loss mechanism in the system, while the cyclic variation could be attributed to the light-time effect of a gravitationally bound third body to the system or the magnetic activity cycle of the primary component.作者: 省略 時(shí)間: 2025-3-29 13:57 作者: ingenue 時(shí)間: 2025-3-29 15:34
Photometric Solution of the O-type Eclipsing Binary V1007 Sco, consistent photometric solution was achieved. In accordance with the spectroscopic findings the eccentricity was determined as . = 0.128 and the apsidal motion with a spectroscopic period of about 150 days was confirmed.作者: nonplus 時(shí)間: 2025-3-29 21:37
Rolf Kühn,Michael Raub,Michael Titzemed at different heights in the chromosphere. The chromospheric contribution in these lines has been determined using the spectral subtraction technique. In addition, we have determined rotational velocities (vsin i), lithium (Li I λ 6707.8 ?) abundance, and kinematic properties (membership in representative young disk stellar kinematic groups).作者: 污點(diǎn) 時(shí)間: 2025-3-30 02:17
Chromospheric Activity and Orbital Solution of Six New Late-type Spectroscopic Binary Systems,med at different heights in the chromosphere. The chromospheric contribution in these lines has been determined using the spectral subtraction technique. In addition, we have determined rotational velocities (vsin i), lithium (Li I λ 6707.8 ?) abundance, and kinematic properties (membership in representative young disk stellar kinematic groups).作者: Palter 時(shí)間: 2025-3-30 07:34 作者: 下級(jí) 時(shí)間: 2025-3-30 11:38 作者: Foreknowledge 時(shí)間: 2025-3-30 13:27 作者: 虛度 時(shí)間: 2025-3-30 19:23 作者: 季雨 時(shí)間: 2025-3-30 21:30
Multisite, Multiwavelength Studies of the Active Cool Binary CC Eri,sing the VLA and ATCA. Also, high-dispersion spectropolarimetry using the AAT enabled Zeeman-Doppler imaging to be performed. Our interpretations infer strong localised concentrations of the stellar magnetic field, manifested by surface activity and related large coronal plasma structures. Comprehen作者: enmesh 時(shí)間: 2025-3-31 01:36 作者: 集中營(yíng) 時(shí)間: 2025-3-31 08:45 作者: Optometrist 時(shí)間: 2025-3-31 10:13 作者: Presbyopia 時(shí)間: 2025-3-31 14:56
Updated UBV Light-Curve and Period Analysis of Eclipsing Binary HS Herculis,ew absolute dimensions of the system were calculated using the results of the light-curve analysis. Period variation of the system was also investigated. Several new times of minima have been secured for this problematic system. An apsidal motion with a period of 80.7 years was confirmed and a third作者: 保存 時(shí)間: 2025-3-31 18:25 作者: lethargy 時(shí)間: 2025-3-31 22:40
Photometric Studies of Bright Southern Binary Systems: , Cra and , Ori,condary minimum of . CrA we found that the discrepancy between the photometric and spectroscopic mass ratio, although marginal, is statistically significant. We propose a third light as a possible solution and derive the absolute parameters of components. The physical parameters of components of the作者: 圓柱 時(shí)間: 2025-4-1 05:44 作者: 凝結(jié)劑 時(shí)間: 2025-4-1 06:17
First results of the Central-East-South European Binary Star Study Group (CESEB),al smaller telescopes located at various places in the CESE region. Preliminary results, based on a pilot study started in 2001, about radial velocity and light curve variations of the active WUMa system LS Del are presented here.作者: CHASM 時(shí)間: 2025-4-1 12:49
Spot Modelling of , Andromedae,rs (temperature, size, location) are variable in time. We present spot modelling results for six two-colour light curves which show that spots preferably appear on the stellar surface towards the companion star and opposite to it, where the distortion also causes dimming. Therefore, simple fitting o作者: 藥物 時(shí)間: 2025-4-1 17:46 作者: Abutment 時(shí)間: 2025-4-1 21:51
The Near-Contact System V387 Cygni: BVRI Photometry and Modelling,atory, Greece. Their analysis with the W-D program indicates a semidetached configuration with possible cool spots, although no O’ Connell effect is present and a strong asymmetry after . can be explained assuming either a strong flare or circumstellar matter.作者: 阻礙 時(shí)間: 2025-4-2 00:27
Monitoring Secular Orbital Period Variations of Some Eclipsing Binaries at the Ankara University Ob at the Ankara University Observatory. Among the systems of our observing list are CK Boo, V502 Oph and V836 Cyg that show long-term secular variations in their orbital periods. We use classical O-C diagram analysis technique as a tool to reveal the character of the period variations of these binary
