Search - INSU - Institut national des sciences de l'Univers Access content directly

Filter your results

41 Results
authFullName_s : Khyati Malhan

STREAMFINDER – I. A new algorithm for detecting stellar streams

Khyati Malhan , Rodrigo A Ibata
Monthly Notices of the Royal Astronomical Society, 2018, 477 (3), pp.4063-4076. ⟨10.1093/mnras/sty912⟩
Journal articles hal-03150071v1
Image document

The Canada–France Imaging Survey: First Results from the u-Band Component

Rodrigo Ibata , Alan Mcconnachie , Jean-Charles Cuillandre , Nicholas Fantin , Misha Haywood , et al.
The Astrophysical journal letters, 2017, 848 (2), pp.128. ⟨10.3847/1538-4357/aa855c⟩
Journal articles hal-01714623v1

Phase-space Correlation in Stellar Streams of the Milky Way Halo: The Clash of Kshir and GD-1

Khyati Malhan , Rodrigo Ibata , Raymond Carlberg , Michele Bellazzini , Benoit Famaey , et al.
The Astrophysical journal letters, 2019, 886 (1), pp.L7. ⟨10.3847/2041-8213/ab530e⟩
Journal articles hal-03095267v1
Image document

Young stars raining through the galactic halo: the nature and orbit of price-whelan 1

Michele Bellazzini , Rodrigo Ibata , Nicolas F. Martin , Khyati Malhan , Antonino Marasco , et al.
Monthly Notices of the Royal Astronomical Society, 2019, 490 (2), pp.2588-2598. ⟨10.1093/mnras/stz2788⟩
Journal articles hal-03095291v1
Image document

A panoramic landscape of the Sagittarius stream in Gaia DR2 revealed with the STREAMFINDER spyglass

Rodrigo Ibata , Michele Bellazzini , -Guillaume Thomas , Khyati Malhan , Nicolas Martin , et al.
The Astrophysical journal letters, 2020, 891 (1), pp.L19. ⟨10.3847/2041-8213/ab77c7⟩
Journal articles hal-02984977v1
Image document

Stellar streams as probes of dark matter : search and dynamical analysis

Khyati Malhan
Astrophysics [astro-ph]. Université de Strasbourg, 2018. English. ⟨NNT : 2018STRAE027⟩
Theses tel-02275204v1

Ghostly tributaries to the Milky Way: charting the halo’s stellar streams with the Gaia DR2 catalogue

Khyati Malhan , Rodrigo Ibata , Nicolas Martin
Monthly Notices of the Royal Astronomical Society, 2018, 481 (3), pp.3442-3455. ⟨10.1093/mnras/sty2474⟩
Journal articles hal-02393363v1

The Streams of the Gaping Abyss: A Population of Entangled Stellar Streams Surrounding the Inner Galaxy

Rodrigo Ibata , Khyati Malhan , Nicolas Martin
The Astrophysical Journal, 2019, 872 (2), pp.152. ⟨10.3847/1538-4357/ab0080⟩
Journal articles hal-02393372v1
Image document

Detection of Strong Epicyclic Density Spikes in the GD-1 Stellar Stream: An Absence of Evidence for the Influence of Dark Matter Subhalos?

Rodrigo Ibata , Guillaume Thomas , Benoit Famaey , Khyati Malhan , Nicolas Martin , et al.
The Astrophysical Journal, 2020, 891 (2), pp.161. ⟨10.3847/1538-4357/ab7303⟩
Journal articles hal-02984975v1
Image document

The Global Dynamical Atlas of the Milky Way Mergers: Constraints from Gaia EDR3–based Orbits of Globular Clusters, Stellar Streams, and Satellite Galaxies

Khyati Malhan , Rodrigo A Ibata , Sanjib Sharma , Benoit Famaey , Michele Bellazzini , et al.
The Astrophysical Journal, 2022, 926 (2), pp.107. ⟨10.3847/1538-4357/ac4d2a⟩
Journal articles hal-03585659v1
Image document

The pristine dwarf-galaxy survey – III. Revealing the nature of the Milky Way globular cluster Sagittarius II

Nicolas Longeard , Nicolas Martin , Rodrigo A Ibata , Else Starkenburg , Pascale Jablonka , et al.
Monthly Notices of the Royal Astronomical Society, 2021, 503 (2), pp.2754-2762. ⟨10.1093/mnras/stab604⟩
Journal articles hal-03176198v1
Image document

Uncovering fossils of the distant Milky Way with UNIONS: NGC 5466 and its stellar stream

Jaclyn Jensen , Guillaume Thomas , Alan Mcconnachie , Else Starkenburg , Khyati Malhan , et al.
Monthly Notices of the Royal Astronomical Society, 2021, 507 (2), pp.1923-1936. ⟨10.1093/mnras/stab2325⟩
Journal articles hal-03337676v1

Detection of Strong Epicyclic Density Spikes in the GD-1 Stellar Stream: An Absence of Evidence for the Influence of Dark Matter Subhalos?

Rodrigo Ibata , Guillaume Thomas , Benoit Famaey , Khyati Malhan , Nicolas F. Martin , et al.
The Astrophysical Journal, 2020, 891 (2), pp.161. ⟨10.3847/1538-4357/ab7303⟩
Journal articles hal-03095331v1
Image document

The Pristine survey XIII: uncovering the very metal-poor tail of the thin disc

Emma Fernández-Alvar , Georges Kordopatis , Vanessa Hill , Else Starkenburg , Akshara Viswanathan , et al.
Monthly Notices of the Royal Astronomical Society, 2021, 508 (1), pp.1509-1525. ⟨10.1093/mnras/stab2617⟩
Journal articles hal-03374625v1

A Panoramic Landscape of the Sagittarius Stream in Gaia DR2 Revealed with the STREAMFINDER Spyglass

Rodrigo Ibata , Michele Bellazzini , Guillaume Thomas , Khyati Malhan , Nicolas F. Martin , et al.
The Astrophysical journal letters, 2020, 891 (1), pp.L19. ⟨10.3847/2041-8213/ab77c7⟩
Journal articles hal-03095335v1
Image document

New Constraints on the Dark Matter Density Profiles of Dwarf Galaxies from Proper Motions of Globular Cluster Streams

Khyati Malhan , Monica Valluri , Katherine Freese , Rodrigo A. Ibata
The Astrophysical journal letters, 2022, 941, ⟨10.3847/2041-8213/aca6e5⟩
Journal articles insu-03924515v1
Image document

Charting the Galactic Acceleration Field. I. A Search for Stellar Streams with Gaia DR2 and EDR3 with Follow-up from ESPaDOnS and UVES

Rodrigo A Ibata , Khyati Malhan , Nicolas Martin , Laurence Voutquenne-Nazabadioko , Benoit Famaey , et al.
The Astrophysical Journal, 2021, 914 (2), pp.123. ⟨10.3847/1538-4357/abfcc2⟩
Journal articles hal-03381650v1
Image document

The Pristine Inner Galaxy Survey (PIGS) IV: A photometric metallicity analysis of the Sagittarius dwarf spheroidal galaxy

Sara Vitali , Anke Arentsen , Else Starkenburg , Paula Jofré , Nicolas F. Martin , et al.
Monthly Notices of the Royal Astronomical Society, 2022, ⟨10.1093/mnras/stac2869⟩
Journal articles insu-03820720v1
Image document

A-type stars in the Canada–France Imaging Survey I. The stellar halo of the Milky Way traced to large radius by blue horizontal branch stars

Guillaume F. Thomas , Alan Mcconnachie , Rodrigo Ibata , Patrick Côté , Nicolas Martin , et al.
Monthly Notices of the Royal Astronomical Society, 2018, 481 (4), pp.5223-5235. ⟨10.1093/mnras/sty2604⟩
Journal articles hal-02306458v1
Image document

The Pristine survey - XVIII. C-19: tidal debris of a dark matter-dominated globular cluster?

Raphaël Errani , Julio F. Navarro , Rodrigo Ibata , Nicolas Martin , Zhen Yuan , et al.
Monthly Notices of the Royal Astronomical Society, 2022, 514, pp.3532-3540. ⟨10.1093/mnras/stac1516⟩
Journal articles insu-03707832v1
Image document

Constraining the Milky Way halo potential with the GD-1 stellar stream

Khyati Malhan , Rodrigo Ibata
Monthly Notices of the Royal Astronomical Society, 2019, 486 (3), pp.2995-3005. ⟨10.1093/mnras/stz1035⟩
Journal articles hal-02400842v1
Image document

The pristine dwarf-galaxy survey - IV. probing the outskirts of the dwarf galaxy Boötes I

Nicolas Longeard , Pascale Jablonka , Anke Arentsen , Guillaume F. Thomas , David S. Aguado , et al.
Monthly Notices of the Royal Astronomical Society, 2022, ⟨10.1093/mnras/stac1827⟩
Journal articles insu-03764446v1

A stellar stream remnant of a globular cluster below the metallicity floor

Nicolas Martin , Kim Venn , David Aguado , Else Starkenburg , Jonay González Hernández , et al.
Nature, 2022, 601 (7891), pp.45-48. ⟨10.1038/s41586-021-04162-2⟩
Journal articles hal-03524785v1

The Pristine survey – IX. CFHT ESPaDOnS spectroscopic analysis of 115 bright metal-poor candidate stars

Kim Venn , Collin Kielty , Federico Sestito , Else Starkenburg , Nicolas F. Martin , et al.
Monthly Notices of the Royal Astronomical Society, 2020, 492 (3), pp.3241-3262. ⟨10.1093/mnras/stz3546⟩
Journal articles obspm-02568921v1
Image document

Measuring the Sun's motion with stellar streams

Khyati Malhan , Rodrigo A Ibata
Monthly Notices of the Royal Astronomical Society, 2017, 471 (1), pp.1005-1011. ⟨10.1093/mnras/stx1618⟩
Journal articles hal-03153292v1
Image document

Chemical Mapping of the Milky Way with The Canada–France Imaging Survey: A Non-parametric Metallicity–Distance Decomposition of the Galaxy

Rodrigo Ibata , Alan Mcconnachie , Jean-Charles Cuillandre , Nicholas Fantin , Misha Haywood , et al.
The Astrophysical Journal, 2017, 848 (2), pp.129. ⟨10.3847/1538-4357/aa8562⟩
Journal articles hal-01714625v1

Identification of the long stellar stream of the prototypical massive globular cluster ω Centauri

Rodrigo Ibata , Michele Bellazzini , Khyati Malhan , Nicolas Martin , Paolo Bianchini
Nature Astronomy, 2019, 3 (7), pp.667-672. ⟨10.1038/s41550-019-0751-x⟩
Journal articles hal-02393399v1
Image document

Butterfly in a Cocoon, Understanding the Origin and Morphology of Globular Cluster Streams: The Case of GD-1

Khyati Malhan , Rodrigo Ibata , Raymond G Carlberg , Monica Valluri , Katherine Freese
The Astrophysical Journal, 2019, 881 (2), pp.106. ⟨10.3847/1538-4357/ab2e07⟩
Journal articles hal-02400831v1

The Canada–France Imaging Survey: Reconstructing the Milky Way Star Formation History from Its White Dwarf Population

Nicholas Fantin , Patrick Côté , Alan Mcconnachie , Pierre Bergeron , Jean-Charles Cuillandre , et al.
The Astrophysical Journal, 2019, 887 (2), pp.148. ⟨10.3847/1538-4357/ab5521⟩
Journal articles hal-03013810v1
Image document

The hidden past of M92: Detection and characterization of a newly formed 17 • long stellar stream using the Canada-France Imaging Survey

Guillaume F Thomas , Jaclyn Jensen , Alan Mcconnachie , Patrick Côté , Kim Venn , et al.
The Astrophysical Journal, 2020, 902 (2), pp.89. ⟨10.3847/1538-4357/abb6f7⟩
Journal articles hal-02985015v1