Articles citing this article

The Citing articles tool gives a list of articles citing the current article.
The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).

Cited article:

Interstellar dust measured in situ by Ulysses: New aspects of the particle size distribution and its modulation by the heliosheath

L. R. Baalmann, T. Janisch, S. Hunziker, P. Strub, H. Krüger, K. Hofstetter, M. Sieber and V. J. Sterken
Astronomy & Astrophysics 698 A138 (2025)
https://doi.org/10.1051/0004-6361/202453532

The Structure of the Local Interstellar Medium. VII. Additional New Mg ii, Fe ii, and Mn ii Observations toward Stars within 100 pc

Azmain H. Nisak, Seth Redfield, Jeffrey L. Linsky, Brian E. Wood and Allison Youngblood
The Astrophysical Journal 983 (1) 5 (2025)
https://doi.org/10.3847/1538-4357/adb960

Anomalous Neutral Hydrogen Column Densities in Local Interstellar Medium Clouds*

Jeffrey L. Linsky and Seth Redfield
The Astrophysical Journal 980 (2) 202 (2025)
https://doi.org/10.3847/1538-4357/ada89e

Modeling the Time Dependent Interaction between the Solar Wind and the Local Interstellar Medium with Kinetic Neutral Hydrogen and Helium Atoms

Federico Fraternale, Nikolai V. Pogorelov and Ratan K. Bera
Journal of Physics: Conference Series 2742 (1) 012011 (2024)
https://doi.org/10.1088/1742-6596/2742/1/012011

Complementary interstellar detections from the heliotail

Sarah A. Spitzer, Marc Z. Kornbleuth, Merav Opher, Jason A. Gilbert, Jim M. Raines and Susan T. Lepri
Frontiers in Astronomy and Space Sciences 10 (2024)
https://doi.org/10.3389/fspas.2023.1163519

Associating LOFAR Galactic Faraday structures with the warm neutral medium

F. Boulanger, C. Gry, E. B. Jenkins, A. Bracco, A. Erceg, V. Jelić and L. Turić
Astronomy & Astrophysics 687 A102 (2024)
https://doi.org/10.1051/0004-6361/202348953

Constraining the Properties of the Multicomponent Local Interstellar Medium: MHD-kinetic Modeling Validated by Voyager and New Horizons Data

Federico Fraternale, Nikolai V. Pogorelov and Ratan K. Bera
The Astrophysical Journal Letters 974 (1) L15 (2024)
https://doi.org/10.3847/2041-8213/ad7e1c

Are the Heliosphere, Very Local Interstellar Medium, and Local Cavity in Pressure Balance with Galactic Gravity?*

Jeffrey L. Linsky and Eberhard Moebius
The Astrophysical Journal 942 (1) 45 (2023)
https://doi.org/10.3847/1538-4357/aca676

The Role of Electrons and Helium Atoms in Global Modeling of the Heliosphere

F. Fraternale, N. V. Pogorelov and R. K. Bera
The Astrophysical Journal 946 (2) 97 (2023)
https://doi.org/10.3847/1538-4357/acba10

Toward Interpreting the IBEX Ribbon with Mirror Diffusion in Interstellar Turbulent Magnetic Fields

Siyao 思遥 Xu 徐 and Hui 晖 Li 李
The Astrophysical Journal 957 (2) 97 (2023)
https://doi.org/10.3847/1538-4357/acfca5

How catching the interstellar wind in the inner solar system led the way on a road to interdisciplinary research between heliophysics and astrophysics

Eberhard Möbius
Frontiers in Astronomy and Space Sciences 10 (2023)
https://doi.org/10.3389/fspas.2023.1020921

Future Exploration of the Outer Heliosphere and Very Local Interstellar Medium by Interstellar Probe

P. C. Brandt, E. Provornikova, S. D. Bale, et al.
Space Science Reviews 219 (2) (2023)
https://doi.org/10.1007/s11214-022-00943-x

Whence the Interstellar Magnetic Field Shaping the Heliosphere?

P. C. Frisch, V. Piirola, A. B. Berdyugin, C. Heiles, A. Cole, K. Hill, A. M. Magalhães, S. J. Wiktorowicz, J. Bailey, D. V. Cotton, L. Kedziora-Chudczer, N. A. Schwadron, M. Bzowski, D. J. McComas, E. J. Zirnstein, H. O. Funsten, C. Harlingten and Seth Redfield
The Astrophysical Journal Supplement Series 259 (2) 48 (2022)
https://doi.org/10.3847/1538-4365/ac5750

Inhomogeneity in the Local ISM and Its Relation to the Heliosphere

Jeffrey Linsky, Seth Redfield, Diana Ryder and Eberhard Moebius
Space Science Reviews 218 (3) (2022)
https://doi.org/10.1007/s11214-022-00884-5

First High-resolution Observations of Interstellar Pickup Ion Mediated Shocks in the Outer Heliosphere

D. J. McComas, B. L. Shrestha, P. Swaczyna, J. S. Rankin, S. E. Weidner, E. J. Zirnstein, H. A. Elliott, K. N. Singer, J. Spencer, S. A. Stern and H. A. Weaver
The Astrophysical Journal 934 (2) 147 (2022)
https://doi.org/10.3847/1538-4357/ac7956

Inhomogeneity within Local Interstellar Clouds*

Jeffrey L. Linsky, Seth Redfield, Diana Ryder and Adina Chasan-Taber
The Astronomical Journal 164 (3) 106 (2022)
https://doi.org/10.3847/1538-3881/ac816b

On the Injection Scale of the Turbulence in the Partially Ionized Very Local Interstellar Medium

Siyao 思遥 Xu 徐 and Hui 晖 Li 李
The Astrophysical Journal Letters 941 (1) L19 (2022)
https://doi.org/10.3847/2041-8213/aca143

Modelling of the interstellar dust distribution under the influence of the interstellar magnetic field

Egor Godenko and Vladislav Izmodenov
Journal of Physics: Conference Series 2028 (1) 012014 (2021)
https://doi.org/10.1088/1742-6596/2028/1/012014

Between Local Interstellar Magnetic and Dynamic Pressure Balance of Heliospheric Boundaries Measured with the IBEX Ribbon—A New Paradigm

N. A. Schwadron and D. J. McComas
The Astrophysical Journal 914 (2) 129 (2021)
https://doi.org/10.3847/1538-4357/abfe6b

Interstellar Pickup Ion Observations Halfway to the Termination Shock

D. J. McComas, P. Swaczyna, J. R. Szalay, E. J. Zirnstein, J. S. Rankin, H. A. Elliott, K. Singer, J. Spencer, S. A. Stern and H. Weaver
The Astrophysical Journal Supplement Series 254 (1) 19 (2021)
https://doi.org/10.3847/1538-4365/abee76

Density of Neutral Hydrogen in the Sun's Interstellar Neighborhood

P. Swaczyna, D. J. McComas, E. J. Zirnstein, J. M. Sokół, H. A. Elliott, M. Bzowski, M. A. Kubiak, J. D. Richardson, I. Kowalska-Leszczynska, S. A. Stern, H. A. Weaver, C. B. Olkin, K. N. Singer and J. R. Spencer
The Astrophysical Journal 903 (1) 48 (2020)
https://doi.org/10.3847/1538-4357/abb80a

Response of Pickup Ions in the Very Local Interstellar Medium to Solar Variations: Implications for the Evolution of the IBEX Ribbon and Interstellar Helium

E. J. Zirnstein, T. K. Kim, P. Mostafavi, J. Heerikhuisen, D. J. McComas and N. V. Pogorelov
The Astrophysical Journal 891 (1) 56 (2020)
https://doi.org/10.3847/1538-4357/ab744b

New results concerning the environment of the heliosphere, nearby interstellar clouds, and physical processes in the inter–cloud medium

Jeffrey L Linsky, Seth Redfield and Brian E. Wood
Journal of Physics: Conference Series 1620 (1) 012010 (2020)
https://doi.org/10.1088/1742-6596/1620/1/012010

Science Opportunities from Observations of the Interstellar Neutral Gas with Adjustable Boresight Direction

Justyna M. Sokół, Marzena A. Kubiak, Maciej Bzowski, Eberhard Möbius and Nathan A. Schwadron
The Astrophysical Journal Supplement Series 245 (2) 28 (2019)
https://doi.org/10.3847/1538-4365/ab50bc

Interstellar Dust in the Solar System

Veerle J. Sterken, Andrew J. Westphal, Nicolas Altobelli, David Malaspina and Frank Postberg
Space Science Reviews 215 (7) (2019)
https://doi.org/10.1007/s11214-019-0607-9

Modelling DESTINY+ interplanetary and interstellar dust measurements en route to the active asteroid (3200) Phaethon

Harald Krüger, Peter Strub, Ralf Srama, et al.
Planetary and Space Science 172 22 (2019)
https://doi.org/10.1016/j.pss.2019.04.005

The Interface between the Outer Heliosphere and the Inner Local ISM: Morphology of the Local Interstellar Cloud, Its Hydrogen Hole, Strömgren Shells, and 60Fe Accretion*

Jeffrey L. Linsky, Seth Redfield and Dennis Tilipman
The Astrophysical Journal 886 (1) 41 (2019)
https://doi.org/10.3847/1538-4357/ab498a

Radiation Pressure from Interstellar Hydrogen Observed by IBEX through Solar Cycle 24

F. Rahmanifard, E. Möbius, N. A. Schwadron, A. Galli, N. Richards, H. Kucharek, J. M. Sokół, D. Heirtzler, M. A. Lee, M. Bzowski, I. Kowalska-Leszczynska, M. A. Kubiak, P. Wurz, S. A. Fuselier and D. J. McComas
The Astrophysical Journal 887 (2) 217 (2019)
https://doi.org/10.3847/1538-4357/ab58ce

Interstellar Neutral Gas Species and Their Pickup Ions inside the Heliospheric Termination Shock: The Large-scale Structures

Justyna M. Sokół, Marzena A. Kubiak and Maciej Bzowski
The Astrophysical Journal 879 (1) 24 (2019)
https://doi.org/10.3847/1538-4357/ab21c4

Interstellar Neutral Helium in the Heliosphere from IBEX Observations. VI. The He+ Density and the Ionization State in the Very Local Interstellar Matter

M. Bzowski, A. Czechowski, P. C. Frisch, S. A. Fuselier, A. Galli, J. Grygorczuk, J. Heerikhuisen, M. A. Kubiak, H. Kucharek, D. J. McComas, E. Möbius, N. A. Schwadron, J. Slavin, J. M. Sokół, P. Swaczyna, P. Wurz and E. J. Zirnstein
The Astrophysical Journal 882 (1) 60 (2019)
https://doi.org/10.3847/1538-4357/ab3462

The HelMod model in the works for inner and outer heliosphere: From AMS to Voyager probes observations

M.J. Boschini, S. Della Torre, M. Gervasi, G. La Vacca and P.G. Rancoita
Advances in Space Research 64 (12) 2459 (2019)
https://doi.org/10.1016/j.asr.2019.04.007

Properties of the Interstellar Medium along Sight Lines to Nearby Planet-hosting Stars*

Eric Edelman, Seth Redfield, Jeffrey L. Linsky, Brian E. Wood and Hans Müller
The Astrophysical Journal 880 (2) 117 (2019)
https://doi.org/10.3847/1538-4357/ab1f6d

The wavelength dependence of interstellar polarization in the Local Hot Bubble

Daniel V Cotton, Jonathan P Marshall, Priscilla C Frisch, et al.
Monthly Notices of the Royal Astronomical Society 483 (3) 3636 (2019)
https://doi.org/10.1093/mnras/sty3318

Determining the Alpha to Proton Density Ratio for the New Horizons Solar Wind Observations

H. A. Elliott, P. Valek, D. J. McComas, P. A. Delamere, F. Bagenal, G. R. Gladstone, C. B. Olkin, J. Spencer, S. A. Stern, L. A. Young, H. A. Weaver and K. Ennico
The Astrophysical Journal 866 (2) 85 (2018)
https://doi.org/10.3847/1538-4357/aadba6

Interstellar Mapping and Acceleration Probe (IMAP): A New NASA Mission

D. J. McComas, E. R. Christian, N. A. Schwadron, et al.
Space Science Reviews 214 (8) (2018)
https://doi.org/10.1007/s11214-018-0550-1

The Local Interstellar Medium: Comparison with IBEX Results, Sightlines to Exoplanet Host Stars, and Trajectories of the Voyager Spacecraft

Jeffrey L Linsky, Seth Redfield, Eric Edelman, Julia Zachary and Brian Wood
Journal of Physics: Conference Series 1100 012016 (2018)
https://doi.org/10.1088/1742-6596/1100/1/012016

Heliosheath Processes and the Structure of the Heliopause: Modeling Energetic Particles, Cosmic Rays, and Magnetic Fields

N. V. Pogorelov, H. Fichtner, A. Czechowski, et al.
Space Science Reviews 212 (1-2) 193 (2017)
https://doi.org/10.1007/s11214-017-0354-8

The Helium Warm Breeze in IBEX Observations As a Result of Charge-exchange Collisions in the Outer Heliosheath

Maciej Bzowski, Marzena A. Kubiak, Andrzej Czechowski and Jolanta Grygorczuk
The Astrophysical Journal 845 (1) 15 (2017)
https://doi.org/10.3847/1538-4357/aa7ed5

Flux and composition of interstellar dust at Saturn from Cassini’s Cosmic Dust Analyzer

N. Altobelli, F. Postberg, K. Fiege, M. Trieloff, H. Kimura, V. J. Sterken, H.-W. Hsu, J. Hillier, N. Khawaja, G. Moragas-Klostermeyer, J. Blum, M. Burton, R. Srama, S. Kempf and E. Gruen
Science 352 (6283) 312 (2016)
https://doi.org/10.1126/science.aac6397

Following the interstellar magnetic field from the heliosphere into space with polarized starlight

P C Frisch, A B Berdyugin, V Piirola, et al.
Journal of Physics: Conference Series 767 012010 (2016)
https://doi.org/10.1088/1742-6596/767/1/012010

Scattering of Particles and Radiation in Astrophysical Environments

Nicholas R. Lewkow
Springer Theses, Scattering of Particles and Radiation in Astrophysical Environments 5 (2016)
https://doi.org/10.1007/978-3-319-25079-3_2

Solar cycle variation of interstellar neutral He, Ne, O density and pick-up ions along the Earth's orbit

Justyna M. Sokół, Maciej Bzowski, Marzena A. Kubiak and Eberhard Möbius
Monthly Notices of the Royal Astronomical Society 458 (4) 3691 (2016)
https://doi.org/10.1093/mnras/stw515

Remote diagnostic of the hydrogen wall through measurements of the backscattered solar Lyman alpha radiation by Voyager 1/UVS in 1993–2003

O. A. Katushkina, E. Quémerais, V. V. Izmodenov, D. B. Alexashov and B. R. Sandel
Journal of Geophysical Research: Space Physics 121 (1) 93 (2016)
https://doi.org/10.1002/2015JA022062

IBEX OBSERVATIONS OF SECONDARY INTERSTELLAR HELIUM AND OXYGEN DISTRIBUTIONS

Jeewoo Park, Harald Kucharek, Eberhard Möbius, André Galli, Marzena A. Kubiak, Maciej Bzowski and David J. McComas
The Astrophysical Journal 833 (2) 130 (2016)
https://doi.org/10.3847/1538-4357/833/2/130

DETERMINATION OF INTERSTELLAR O PARAMETERS USING THE FIRST TWO YEARS OF DATA FROM THE INTERSTELLAR BOUNDARY EXPLORER

N. A. Schwadron, E. Möbius, D. J. McComas, P. Bochsler, M. Bzowski, S. A. Fuselier, G. Livadiotis, P. Frisch, H.-R. Müller, D. Heirtzler, H. Kucharek and M. A. Lee
The Astrophysical Journal 828 (2) 81 (2016)
https://doi.org/10.3847/0004-637X/828/2/81

EVALUATING THE MORPHOLOGY OF THE LOCAL INTERSTELLAR MEDIUM: USING NEW DATA TO DISTINGUISH BETWEEN MULTIPLE DISCRETE CLOUDS AND A CONTINUOUS MEDIUM

Seth Redfield and Jeffrey L. Linsky
The Astrophysical Journal 812 (2) 125 (2015)
https://doi.org/10.1088/0004-637X/812/2/125

WARMER LOCAL INTERSTELLAR MEDIUM: A POSSIBLE RESOLUTION OF THEULYSSES-IBEXENIGMA

D. J. McComas, M. Bzowski, P. Frisch, et al.
The Astrophysical Journal 801 (1) 28 (2015)
https://doi.org/10.1088/0004-637X/801/1/28

LOCAL INTERSTELLAR MEDIUM: SIX YEARS OF DIRECT SAMPLING BY IBEX

D. J. McComas, M. Bzowski, S. A. Fuselier, et al.
The Astrophysical Journal Supplement Series 220 (2) 22 (2015)
https://doi.org/10.1088/0067-0049/220/2/22

DETERMINATION OF INTERSTELLAR He PARAMETERS USING FIVE YEARS OF DATA FROM THE IBEX : BEYOND CLOSED FORM APPROXIMATIONS

N. A. Schwadron, E. Möbius, T. Leonard, et al.
The Astrophysical Journal Supplement Series 220 (2) 25 (2015)
https://doi.org/10.1088/0067-0049/220/2/25

A Consistent Scenario for the IBEX Ribbon, Anisotropies in TeV Cosmic Rays, and the Local Interstellar Medium

N. A. Schwadron, P. Frisch, F. C. Adams, et al.
ASTRA Proceedings 2 9 (2015)
https://doi.org/10.5194/ap-2-9-2015

EXPLORING THE POSSIBILITY OF O AND Ne CONTAMINATION IN ULYSSES OBSERVATIONS OF INTERSTELLAR HELIUM

Brian E. Wood, Hans-Reinhard Müller, Maciej Bzowski, et al.
The Astrophysical Journal Supplement Series 220 (2) 31 (2015)
https://doi.org/10.1088/0067-0049/220/2/31

Interstellar dust in the Local Cloud surrounding the Sun

Hiroshi Kimura
Monthly Notices of the Royal Astronomical Society 449 (3) 2250 (2015)
https://doi.org/10.1093/mnras/stv427

CORRECTING THE RECORD ON THE ANALYSIS OFIBEXANDSTEREODATA REGARDING VARIATIONS IN THE NEUTRAL INTERSTELLAR WIND

P. C. Frisch, M. Bzowski, C. Drews, et al.
The Astrophysical Journal 801 (1) 61 (2015)
https://doi.org/10.1088/0004-637X/801/1/61

CHARTING THE INTERSTELLAR MAGNETIC FIELD CAUSING THEINTERSTELLAR BOUNDARY EXPLORER(IBEX) RIBBON OF ENERGETIC NEUTRAL ATOMS

P. C. Frisch, A. Berdyugin, V. Piirola, et al.
The Astrophysical Journal 814 (2) 112 (2015)
https://doi.org/10.1088/0004-637X/814/2/112

STATISTICAL ANALYSIS OF THE HEAVY NEUTRAL ATOMS MEASURED BY IBEX

Jeewoo Park, Harald Kucharek, Eberhard Möbius, et al.
The Astrophysical Journal Supplement Series 220 (2) 34 (2015)
https://doi.org/10.1088/0067-0049/220/2/34

SIXTEEN YEARS OFULYSSESINTERSTELLAR DUST MEASUREMENTS IN THE SOLAR SYSTEM. II. FLUCTUATIONS IN THE DUST FLOW FROM THE DATA

Peter Strub, Harald Krüger and Veerle J. Sterken
The Astrophysical Journal 812 (2) 140 (2015)
https://doi.org/10.1088/0004-637X/812/2/140

Connecting the interstellar magnetic field at the heliosphere to the Loop I superbubble

P C Frisch, A Berdyugin, H O Funsten, et al.
Journal of Physics: Conference Series 577 012010 (2015)
https://doi.org/10.1088/1742-6596/577/1/012010

SIXTEEN YEARS OFULYSSESINTERSTELLAR DUST MEASUREMENTS IN THE SOLAR SYSTEM. I. MASS DISTRIBUTION AND GAS-TO-DUST MASS RATIO

Harald Krüger, Peter Strub, Eberhard Grün and Veerle J. Sterken
The Astrophysical Journal 812 (2) 139 (2015)
https://doi.org/10.1088/0004-637X/812/2/139

WARM BREEZE FROM THE STARBOARD BOW: A NEW POPULATION OF NEUTRAL HELIUM IN THE HELIOSPHERE

M. A. Kubiak, M. Bzowski, J. M. Sokół, et al.
The Astrophysical Journal Supplement Series 213 (2) 29 (2014)
https://doi.org/10.1088/0067-0049/213/2/29

Signal Processing for the Measurement of the Deuterium/Hydrogen Ratio in the Local Interstellar Medium

Diego Rodríguez Moreno, Peter Wurz, Lukas Saul, Maciej Bzowski, Marzena Kubiak, Justyna Sokół, Priscilla Frisch, Stephen Fuselier, David McComas, Eberhard Möbius and Nathan Schwadron
Entropy 16 (2) 1134 (2014)
https://doi.org/10.3390/e16021134

THE EFFECT OF NEW INTERSTELLAR MEDIUM PARAMETERS ON THE HELIOSPHERE AND ENERGETIC NEUTRAL ATOMS FROM THE INTERSTELLAR BOUNDARY

J. Heerikhuisen, E. J. Zirnstein, H. O. Funsten, N. V. Pogorelov and G. P. Zank
The Astrophysical Journal 784 (1) 73 (2014)
https://doi.org/10.1088/0004-637X/784/1/73

The local ISM in three dimensions: kinematics, morphology and physical properties

Jeffrey L. Linsky and Seth Redfield
Astrophysics and Space Science 354 (1) 29 (2014)
https://doi.org/10.1007/s10509-014-1943-6

Global Anisotropies in TeV Cosmic Rays Related to the Sun’s Local Galactic Environment from IBEX

N. A. Schwadron, F. C. Adams, E. R. Christian, P. Desiati, P. Frisch, H. O. Funsten, J. R. Jokipii, D. J. McComas, E. Moebius and G. P. Zank
Science 343 (6174) 988 (2014)
https://doi.org/10.1126/science.1245026

IBEX's Enigmatic Ribbon in the sky and its many possible sources

D. J. McComas, W. S. Lewis and N. A. Schwadron
Reviews of Geophysics 52 (1) 118 (2014)
https://doi.org/10.1002/2013RG000438

ASSESSMENT OF ENERGETIC NEUTRAL He ATOM INTENSITIES EXPECTED FROM THE IBEX RIBBON

P. Swaczyna, S. Grzedzielski and M. Bzowski
The Astrophysical Journal 782 (2) 106 (2014)
https://doi.org/10.1088/0004-637X/782/2/106

THE STRUCTURE OF THE LOCAL INTERSTELLAR MEDIUM. VI. NEW Mg II, Fe II, AND Mn II OBSERVATIONS TOWARD STARS WITHIN 100 pc

Craig Malamut, Seth Redfield, Jeffrey L. Linsky, Brian E. Wood and Thomas R. Ayres
The Astrophysical Journal 787 (1) 75 (2014)
https://doi.org/10.1088/0004-637X/787/1/75

Ionization within the Local Cavity by Hot White Dwarfs

Barry Y. Welsh, Jonathan Wheatley, Nathan J. Dickinson and Martin A. Barstow
Publications of the Astronomical Society of the Pacific 125 (928) 644 (2013)
https://doi.org/10.1086/671190

Time-Variability in the Interstellar Boundary Conditions of the Heliosphere: Effect of the Solar Journey on the Galactic Cosmic Ray Flux at Earth

Priscilla C. Frisch and Hans-Reinhard Mueller
Space Science Reviews 176 (1-4) 21 (2013)
https://doi.org/10.1007/s11214-011-9776-x

PROBING OUR HELIOSPHERIC HISTORY. I. HIGH-RESOLUTION OBSERVATIONS OF Na I AND Ca II ALONG THE SOLAR HISTORICAL TRAJECTORY

Katherine Wyman and Seth Redfield
The Astrophysical Journal 773 (2) 96 (2013)
https://doi.org/10.1088/0004-637X/773/2/96

Assessment of detectability of neutral interstellar deuterium by IBEX observations

M. A. Kubiak, M. Bzowski, J. M. Sokół, et al.
Astronomy & Astrophysics 556 A39 (2013)
https://doi.org/10.1051/0004-6361/201321166

Evidence of direct detection of interstellar deuterium in the local interstellar medium by IBEX

D. F. Rodríguez Moreno, P. Wurz, L. Saul, et al.
Astronomy & Astrophysics 557 A125 (2013)
https://doi.org/10.1051/0004-6361/201321420