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Variable star

Exploring the crowded central region of ten Galactic globular clusters using EMCCDs : variable star searches and new discoveries

Exploring the crowded central region of ten Galactic globular clusters using EMCCDs : variable star searches and new discoveries

... known variable star content of each cluster and the numbering systems within each one while we were working on these ...for Star and Planet Formation is funded by the Danish National Research ...

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Synergies between exoplanet surveys and variable star research

Synergies between exoplanet surveys and variable star research

... of variable star astronomy this is the biggest undertaking so far, resulting in photometric time series inventories immensely valuable for the whole ...interesting variable star results that ...

13

An Analysis of the Variable Star, W Virginis

An Analysis of the Variable Star, W Virginis

... At about minimum light phase 0.65, when the absorption lines are strong, there appear hydrogen emission lines of the Balmer series with an outward surface velocity of 20 km./ sec... 'l'h[r] ...

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FIRST SOLUTION OF THE LIGHT CURVE OF THE NEW VARIABLE STAR 3UC 281-203711

FIRST SOLUTION OF THE LIGHT CURVE OF THE NEW VARIABLE STAR 3UC 281-203711

... physical parameters of the primary component. Estimates of the spectral class vary in the range A0 − F0, depending on the physical parameter (mass or temperature) used for the estimate. The values of the radius for the ...

5

LONG PERIOD VARIABLES IN STELLAR CLUSTERS: IC4651

LONG PERIOD VARIABLES IN STELLAR CLUSTERS: IC4651

... 150 variable star candidates detected in the observed field, the long period variables were selected based on the brightness (on the upper giant branch), timescale of the variation (more than 30 days), and ...

5

Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations

Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations

... known variable star content in NGC 6715 and the numbering systems of the variable stars while we were working on these ...for Star and Planet Formation is funded by the Danish National ...

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COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS

COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS

... many variable star searches for more than a hundred ...of variable stars in globular clusters (CVSGC; Clement et ...Virginis star (CW), one RV Tau, one (possibly two) eclipsing binaries, and ...

10

Laboratory analogue of a supersonic accretion column in a binary star system

Laboratory analogue of a supersonic accretion column in a binary star system

... in variable star systems, as the position of the shock above the white dwarf photosphere determines the ratio of hard and soft X-ray emission 22 , which itself is dependent on the accretion model 21 ...

8

The first post Kepler brightness dips of KIC 8462852

The first post Kepler brightness dips of KIC 8462852

... We present a photometric detection of the first brightness dips of the unique variable star KIC 8462852 since the end of the Kepler space mission in 2013 May. Our regular photometric surveillance started in ...

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THE VARIABLE CARBON STAR CGCS 6107

THE VARIABLE CARBON STAR CGCS 6107

... our star is quite red (R − I ∼ 2), therefore a systematic color term is expected: however there were no stars of comparable colors in the field of view so that we could not compute reliable ...the star, and ...

11

CCD TIMES OF MINIMA OF AINT ECLIPSING BINARIES IN

CCD TIMES OF MINIMA OF AINT ECLIPSING BINARIES IN

... = times of minima were obtained by superposition of two or more parts of light urve from di erent nights.; type err = the type of variable star given in GCVS is wrong, new details will b[r] ...

8

V2027 Cyg means the amplitude measured

V2027 Cyg means the amplitude measured

... Thanks are due to S.V. Antipin for his assistance in GSC identications and positional determinations, to E.N. Pastukhova for help during the preparation of the computer version of the present Name-List, and to members of ...

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Polarimetric evidence of a white dwarf pulsar in the binary system AR Scorpii

Polarimetric evidence of a white dwarf pulsar in the binary system AR Scorpii

... The variable star AR Sco was recently discovered to pulse in brightness every ...low-mass star in a tight, ...neutron star pulsars, the pulsed luminosity of AR Sco is powered by the spin-down ...

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IBVS Volume 4801

IBVS Volume 4801

... their variable star names within ...a variable, its ordinal number from Table 1 is given, as well as identifications with several major catalogues and identifications nec- essary to find this ...

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DISCOVERY OF IRREGULAR VARIABILITY OF FIVE STARS IN THE VICINITY OF THE YOUNG STELLAR OBJECT V645 CYGNI

DISCOVERY OF IRREGULAR VARIABILITY OF FIVE STARS IN THE VICINITY OF THE YOUNG STELLAR OBJECT V645 CYGNI

... massive variable star V645 Cyg and confirmed variability of one suspected ...of Variable Stars (GCVS) the amplitudes of the IN type variables have values in the range from ...

6

GSC, or determined by the authors. Sometimes the ac-

GSC, or determined by the authors. Sometimes the ac-

... Thanks are due to S.V. Antipin, O.V. Durlevich, M.S. Frolov, N.N. Kireeva, and E.N. Pastukhova for their help during the preparation of the present Name-List and to all members of the GCVS team who prepared information ...

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The Galah survey: classification and diagnostics with t-SNE reduction of spectral information

The Galah survey: classification and diagnostics with t-SNE reduction of spectral information

... Galah is an ongoing high-resolution spectroscopic survey with the goal of disentangling the formation history of the Milky Way using the fossil remnants of disrupted star formation sites that are now dispersed ...

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The Star Scene Modeling and Generation for Hardware in the loop Simulation

The Star Scene Modeling and Generation for Hardware in the loop Simulation

... The star sensor simulation system is used to test the star sensor performance on the ground, which is designed for star identification and spacecraft attitude determination of the ...computer ...

5

KIC 2856960 : the impossible triple star

KIC 2856960 : the impossible triple star

... During our attempts to fit KIC 2856960 two other peculiar prob- lems surfaced that we never resolved. The elusive second compo- nent of the binary is one of these. In all the models that provide a reasonable fit to the ...

12

Racial Disparity in Social Spatiality: Usage of National Parks and Opera Attendance

Racial Disparity in Social Spatiality: Usage of National Parks and Opera Attendance

... 1.2.2 Unification Despite the seemingly diverse nature of active galaxies, each class draws from a list of similar characteristics: • Bright, star-like nucleus • Variable flux at all wav[r] ...

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