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astronomy & astrophysics (239) 239
astrophysics (97) 97
stars: individual (87) 87
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sagittarii (79) 79
stars (73) 73
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cosmology and extragalactic astrophysics (33) 33
astronomy (27) 27
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novae (26) 26
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binaries: close (23) 23
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eruption (20) 20
physics (20) 20
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masers (19) 19
v838 monocerotis (19) 19
astrophysics, cosmology and astronomy (18) 18
classical novae (18) 18
spectrum (18) 18
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stars : variables : other (17) 17
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sgr (16) 16
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astrophysics - high energy astrophysical phenomena (13) 13
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2002, AAVSO monograph ; Supplement 2, ISBN 9781878174390, Volume 5., viii, 3 leaves
Book
Astronomy and Astrophysics, ISSN 0004-6361, 2011, Volume 528, p. A114
Context. Stellar mergers are expected to take place in numerous circumstences in the evolution of stellar systems. In particular, they are considered as a... 
stars: individual: V1309 Sco | binaries: general | stars: peculiar | ECLIPSING BINARIES | V4332 SAGITTARII | GRAVITATIONAL LENSING EXPERIMENT | NGC 300 | EVOLUTION | ERUPTION | ASTRONOMY & ASTROPHYSICS | SYSTEMS | VARIABLE-STAR | V838 MONOCEROTIS | STELLAR MERGER | Physics - Solar and Stellar Astrophysics
Journal Article
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 8/2011, Volume 63, Issue 4, pp. 911 - 919
We report on the spectral evolution of the enigmatic, very slow nova V5558 Sgr, based on low-resolution spectra obtained at the Fujii-Bisei Observatory and the... 
Stars: Individual (V5558 Sagittarii) | Cataclysmic variables | Novae | V723 CASSIOPEIAE | stars: individual (V5558 Sagittarii) | CLASSICAL NOVAE | VARIABLE-STARS | LIGHT CURVES | DECLINE STAGE | novae, cataclysmic variables | PHASE | HR-DELPHINI | CATALOG | ASTRONOMY & ASTROPHYSICS | PRE-MAXIMUM | SGR
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 07/2007, Volume 664, Issue 1 I, pp. 467 - 473
Journal Article
Nature, ISSN 0028-0836, 01/2016, Volume 529, Issue 7584, pp. 54 - 58
How black holes accrete surrounding matter is a fundamental yet unsolved question in astrophysics. It is generally believed that matter is absorbed into black... 
PARALLAX DISTANCE | TRANSIENT GS 2023+338 | RELATIVISTIC JETS | V4641 SAGITTARII | GRS 1915+105 | IGR J17091-3624 | MULTIDISCIPLINARY SCIENCES | LIGHT CURVES | COMPACT JET | OUTBURST | X-RAY BINARY | Usage | Spectrometer | Fluctuations (Physics) | Analysis | Telescopes | Astrophysics | Black holes | Accretion disks | Light | Physics - High Energy Astrophysical Phenomena
Journal Article
The Astrophysical journal, ISSN 1538-4357, 2009, Volume 696, Issue 1, pp. 706 - 712
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 03/2015, Volume 449, Issue 4, pp. 3613 - 3619
Journal Article
Journal Article
The Astrophysical Journal Letters, ISSN 1538-4357, 03/2008, Volume 675, Issue 2, pp. L93 - L96
V5116 Sgr (Nova Sgr 2005 No. 2), discovered on 2005 July 4, was observed with XMM-Newton in 2007 March, 20 months after the optical outburst. The X-ray... 
Novae, cataclysmic variables | X-rays: binaries | Stars: individual (V5116 Sagittarii) | Binaries: close | X-rays: individual (V5116 Sagittarii)
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2010, Volume 516, Issue 22, p. A108
Aims. Nova Scorpii 2008 was the target of our Director Discretionary Time proposal at VLT+UVES in order to study the evolution, origin and abundances of the... 
stars: individual: V1309 Sco | binaries: symbiotic | novae, cataclysmic variables | V4332 SAGITTARII | LIGHT-ECHO | LINES | M-GIANTS | EVOLUTION | SPECTROSCOPY | ASTRONOMY & ASTROPHYSICS | SYMBIOTIC STARS | EMISSION | CATACLYSMIC VARIABLES | OUTBURST | Novae, cataclysmic variables | Stars: individual: V1309 Sco | Binaries: symbiotic
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 01/2016, Volume 455, Issue 1, pp. L109 - L113
We present near-infrared (NIR) observations of Nova V5668 Sgr, discovered in outburst on 2015 March 15.634 UT, between 2 and 107 d after outburst. NIR spectral... 
EARLY DECLINE PHASE | SCORPII | techniques: photometric | CLASSICAL NOVAE | MAXIMUM | stars: individual: Nova Sagittarii 2015 No. 2, V5668 Sgr | novae, cataclysmic variables | EVOLUTION | SPECTROSCOPY | techniques: spectroscopic | CO EMISSION | ASTRONOMY & ASTROPHYSICS | line: identification | VULPECULAE | TEMPORAL DEVELOPMENT | OUTBURST
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 11/2006, Volume 459, Issue 2, pp. L29 - L32
We present Chandra HETGS observations of the classical T Tauri star ( CTTS) V4046 Sgr. The He-like triplets of O VII, Ne IX, and Si XIII are clearly detected.... 
Stars: coronae | Stars: pre-main sequence | X-rays: stars | Stars: activity | Stars: individual: V4046 Sagittarii | stars : activity | X-rays : stars | stars : coronae | DENSITY | SHOCK | stars : pre-main sequence | SPECTROSCOPY | DISKS | ASTRONOMY & ASTROPHYSICS | YOUNG STARS | stars : individual : V4046 Sagittarii | EMISSION | AGE
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2017, Volume 469, Issue 4, pp. 4116 - 4132
V1017 Sgr is a classical nova (from 1919) that displayed an earlier dwarf nova eruption (from 1901) and underwent two more dwarf nova events (in 1973 and... 
Cataclysmic variables | Novae | Stars: dwarf novae | Stars: individual: V1017 Sgr | OUTBURSTS | BINARY STARS | CLASSICAL NOVAE | LIGHT CURVES | OLD-NOVA | T-PYXIDIS | novae, cataclysmic variables | stars: dwarf novae | ERUPTION | ASTRONOMY & ASTROPHYSICS | CATACLYSMIC VARIABLES | stars: individual: V1017 Sgr | RECURRENT NOVAE | SAGITTARII
Journal Article
The Astrophysical Journal Letters, ISSN 1538-4357, 01/2003, Volume 582, Issue 2, pp. L105 - L108
We propose that the energy source of the outburst of V838 Mon and similar objects is an accretion event, i.e., gravitational energy rather than thermonuclear... 
Stars: horizontal-branch | Stars: mass loss | Stars: individual (M31 RV, V838 Monocerotis, V4332 Sagittarii) | Binaries: close | EVOLUTION | ASTRONOMY & ASTROPHYSICS | stars : mass loss | binaries : close | STARS | stars : horizontal-branch | stars : individual (M31 RV, V838 Monocerotis, V4332 Sagittarii)
Journal Article
Astrophysical Journal, ISSN 0004-637X, 01/2018, Volume 853, Issue 1, p. 42
We performed Very Long Baseline Array (VLBA) observations of SiO masers (v = 1, v = 2, J = 1 -> 0) toward VX Sgr from 2006 July to 2008 August. With the... 
stars: kinematics and dynamics | masers | stars: individual (VX Sgr) | techniques: interferometric | R-AQUARII | DUST SHELLS | DISTANCES | LATE-TYPE STARS | PROPER MOTIONS | ASTRONOMY & ASTROPHYSICS | MAGNETIC-FIELD | EMISSION | SAGITTARII | CIRCUMSTELLAR ENVELOPE | KINEMATICS | Real gases | Dynamic tests | Parallax | Deceleration | Gas streams | Masers
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 03/2007, Volume 657, Issue 1 I, pp. 453 - 464
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 12/2016, Volume 463, Issue 2, pp. 1162 - 1172
In this paper, we have collected data for almost all Be stars known so far (1991 sources in total) and photometrically study their infrared properties. 2MASS,... 
Stars: Be star | Infrared: Stars | EXCESS | GALACTIC FSCMA STARS | EMISSION-LINE STARS | BE-STARS | CIRCUMSTELLAR ENVIRONMENT | CATALOG | DISKS | ASTRONOMY & ASTROPHYSICS | IRAS OBSERVATIONS | SPECTRA | SAGITTARII
Journal Article
The Astrophysical journal, ISSN 1538-4357, 2017, Volume 834, Issue 2, p. 107
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2015, Volume 448, Issue 1, pp. 188 - 206
Several lines of observational evidence suggest that white dwarfs receive small birth kicks due to anisotropic mass-loss. If other stars possess extrasolar... 
Comets: general | Accretion | Infrared: stars | Accretion discs | White dwarfs | LONG-PERIOD COMETS | PLANETARY-NEBULAE | infrared: stars | DUSTY DISKS | PICTORIS CIRCUMSTELLAR DISK