Molecule formation in the interstellar gas

The Formation and Depletion of Molecules in Dense Interstellar Clouds

1973 • 1,009 citations

Cosmic-Ray Heating of the Interstellar Gas

1969 • 762 citations

Surface Recombination of Hydrogen Molecules

1971 • 534 citations

Molecular Clouds

1974 • 514 citations

The Interstellar Abundance of the Hydrogen Molecule. I. Basic Processes.

1963 • 401 citations

The formation of the sun and planets

1962 • 333 citations

Interstellar Dust and Related Topics

1973 • 285 citations

Molecular Hydrogen in H i Regions

1971 • 283 citations

Evidence for the Molecular Origin of Some Hitherto Unidentified Interstellar Lines

1940 • 277 citations

Molecules in the galactic environment

1973 • 266 citations

Interstellar absorption lines in the spectrum of zeta Ophiuchi

1975 • 263 citations

Considerations Regarding Interstellar Molecules

1937 • 262 citations

Ultraviolet Studies of the Interstellar Gas

1975 • 247 citations

Laboratory Microwave Spectrum of HC<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>

1975 • 239 citations

Detection of Interstellar Cyanoacetylene

1971 • 232 citations

Photodestruction of Hydrogen Molecules in H I Regions

1967 • 227 citations

Interstellar H2 - The population of excited rotational states and the infrared response to ultraviolet radiation

1976 • 222 citations

Surface Adsorption of Light Gas Atoms

1970 • 214 citations

Ultraviolet Photometry from the Orbiting Astronomical Observatory. II. Interstellar Extinction

1972 • 210 citations

Radio Radiation from Interstellar Molecules

1974 • 200 citations

Rocket Observation of Interstellar Molecular Hydrogen

1970 • 196 citations

Flash Photolysis of Ketene and Diazomethane: The Production and Reaction Kinetics of Triplet and Singlet Methylene

1970 • 195 citations

Formation and destruction rates of interstellar H2.

1974 • 192 citations

Molecule Formation on Interstellar Grains

1972 • 185 citations

Interstellar Molecules and Dense Clouds

1971 • 181 citations

Detection of the heavy interstellar molecule cyanodiacetylene

1976 • 178 citations

Interstellar clouds containing optically thin H2

1975 • 178 citations

The Formation of Diatomic Molecules in Interstellar Clouds

1972 • 171 citations

Interstellar abundances : gas and dust.

1974 • 168 citations

Infrared observations of Be stars from 2,3 to 19,5 microns.

1974 • 168 citations

Ion-Molecule Reactions, Molecule Formation, and Hydrogen-Isotope Exchange in Dense Interstellar Clouds

1974 • 167 citations

Measurement and significance of the equilibrium reaction C-13/+/ + /C-12/O yields C-12/+/ + /C-13/O for alteration of the C-13/C-12 ratio in interstellar molecules

1976 • 166 citations

The Density of Molecules in Interstellar Space.

1951 • 165 citations

Unidentified Interstellar Lines

1934 • 154 citations

Hydrogen Molecules in Astronomy

1966 • 154 citations

Carrier of the Interstellar 89.190 GHz Line

1970 • 152 citations

The Fractional Ionization in Dense Interstellar Clouds

1974 • 150 citations

Photodissociation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">D</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow…

1968 • 147 citations

Heating of Interstellar H i Clouds by Ultraviolet Photoelectron Emission from Grains

1972 • 145 citations

Charge Transfer and Ionization Equilibrium in the Interstellar Medium

1971 • 139 citations

Molecular Hydrogen in Pre-galactic Gas Clouds

1967 • 137 citations

Measurements of Recombination of Electrons with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow><mml:mrow /><mml:mrow /><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">…

1973 • 135 citations

The Formation of Interstellar Molecules from Negative Ions

1973 • 133 citations

Spectrophotometric Results from the Copernicus Satellite.IV. Molecular Hydrogen in Interstellar Space

1973 • 124 citations

On the opacity of the interstellar medium to ultrasoft X-rays and extreme-ultraviolet radiation.

1974 • 123 citations

The detection of interstellar vinyl cyanide /acrylonitrile/

1975 • 117 citations

Model calculations for diffuse molecular clouds

1974 • 114 citations

Column densities of interstellar molecular hydrogen

1974 • 114 citations

Radio Detection of Interstellar CH

1973 • 108 citations

Interstellar Grains

1973 • 105 citations

ICR studies of some hydrogen atom abstraction reactions: X+ + H2 → XH+ + H

1975 • 103 citations

Interstellar Deuterium Abundance in the Direction of Beta Centauri

1973 • 99 citations

Chlorine-Bearing Molecules in Interstellar Clouds

1974 • 99 citations

Autoionizing states of the hydrogen molecule

1974 • 94 citations

Interstellar clouds containing optically thick H2

1975 • 94 citations

Ultraviolet photometry from the orbiting astronomical observatory. XIV. an extension of the survey of Lyman-alf absorption from interstellar hydrogen.

1974 • 94 citations

The Cosmic Abundance of Deuterium

1973 • 93 citations

Carbon monoxide in collapsing interstellar clouds

1975 • 88 citations

The thermal effects of H2 molecules in rotating and collapsing spheroidal gas clouds

1976 • 88 citations

Spectrophotometric Results from the Copernicus Satellite. V. Abundances of Molecules in Interstellar Clouds

1973 • 88 citations

Aeronomy of the major planets: Photochemistry of ammonia and hydrocarbons

1975 • 83 citations

The abundance of deuterium relative to hydrogen in interstellar space

1976 • 83 citations

Identification of interstellar X-ogen as HCO/+/

1976 • 82 citations

Analysis of the Ion–Molecule Reactions in Gaseous H2, D2, and HD by Ion Cyclotron Resonance Techniques

1969 • 81 citations

The photoionization and dissociative photoionization of H2, HD, and D2

1975 • 80 citations

Addendum: Heating of Interstellar H i Clouds by Ultraviolet Photoelectron Emission from Grains

1972 • 80 citations

Rotational Excitation of Interstellar H_{2}

1973 • 80 citations

Configuration of Amino-acids in Carbonaceous Chondrites and a Pre-Cambrian Chert

1971 • 79 citations

The Photochemistry of Methane in the Jovian Atmosphere

1969 • 79 citations

Laboratory Measurement of the Rate Constant for H^{-}+ H -&gt; H_{2} + E

1967 • 77 citations

The Spectrum of Diffuse Cosmic X-Rays 1-13 keV

1969 • 77 citations

On the Abundances of Interstellar Molecules

1972 • 77 citations

Excitation of Interstellar OH by the Collisional Dissociation of Water

1973 • 73 citations

The Bound-Free Absorption Coefficient of the Negative Hydrogen Ion

1966 • 69 citations

Hydrogen Chloride in Dense Interstellar Clouds

1974 • 66 citations

The IRC +10216 molecular envelope.

1975 • 66 citations

Formation of Protogalaxies and Molecular Processes in Hydrogen Gas

1969 • 66 citations

Ab-initio calculations on small hydrides including electron correlation

1973 • 66 citations

The Chemistry of Sulfur in Interstellar Clouds

1974 • 65 citations

The Interstellar Radiation Density Between 1250 and 4250 A

1973 • 63 citations

The carbon monoxide abundance in interstellar clouds

1976 • 63 citations

Intergalactic Matter

1972 • 62 citations

Electron Microscopic Studies on Substrate Specificity of T4 Excision Repair Endonuclease

1972 • 62 citations

Interstellar H2CO. I - Absorption studies, dark clouds, and the cosmic background radiation

1975 • 59 citations

Photoionisation von Methanol und Formaldehyd / Photoionisation of Methanol and Formaldehyd

1971 • 59 citations

Interstellar Molecules: Origin by Catalytic Reactions on Grain Surfaces?

1974 • 57 citations

Bakerian lecture.— Diffuse matter in interstellar space

1926 • 57 citations

Search for Interstellar Acrylonitrile, Pyrimidine, and Pyridine

1973 • 57 citations

Diffuse X and Gamma Radiation

1973 • 56 citations

Processes in Collapsing Interstellar Clouds

1973 • 55 citations

Heating of Molecular-Hydrogen Clouds by Cosmic Rays and X-Rays

1973 • 55 citations

Photochemistry and Lifetimes of Interstellar Molecules

1972 • 54 citations

Ion-Ion Mutual Neutralization Cross Sections Measured by a Superimposed Beam Technique. II.<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup></mml:mrow></mml:math>+<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">…

1971 • 52 citations

Ion cyclotron resonance studies of some reactions of C+ ions

1976 • 51 citations

A low-energy passage for C++H2→CH2+

1976 • 50 citations

Formation of the HD Molecule in the Interstellar Medium

1973 • 50 citations

Interstellar Organic Chemistry

1972 • 50 citations

Interstellar Molecule Formation

1966 • 49 citations

Measurements of ion-molecule reactions of He+, H+, and HeH+ with H2 and D2

1974 • 49 citations

Interstellar ammonia.

1973 • 48 citations

On the formation of H2 in H I regions

1961 • 48 citations

Gas phase chemistry in comets

1975 • 47 citations

Upper limits to the flux of cosmic rays and X-rays in interstellar clouds.

1974 • 47 citations

An analysis of the interstellar material in the line of sight toward Omicron Persei

1976 • 47 citations

Detachment in collisions of H and H-

1969 • 46 citations

The formation of CH/+/ in interstellar clouds

1975 • 46 citations

On the Possible Occurence of H_{3}^{+} in Interstellar Space.

1961 • 46 citations

Energy dependence of the reaction NH3+ + H2 → NH4+ + H

1975 • 46 citations

The Formation of Population I Stars, Part II. The Formation of Molecular Hydrogen in Interstellar Matter

1960 • 45 citations

Transition Probabilities for the Swan and Mulliken C_{2}; Bands

1969 • 45 citations

Formation of molecules on small interstellar grains

1975 • 44 citations

Interstellar Deuterium: Chemical Fractionation

1973 • 44 citations

Photodissociation of vibrationally excited H2, HD, and D2 by absorption into the continua of the Lyman and Werner systems

1969 • 43 citations

Molecular hydrogen in the Galaxy and galactic gamma rays

1975 • 43 citations

Low-Energy Cosmic Rays and the Abundance of Atomic Hydrogen in Dark Clouds

1971 • 43 citations

Microwave Detection of Interstellar CH

1974 • 43 citations

On the Association of c+ and COH+ with H2

1974 • 42 citations

Interstellar CN at radio wavelengths

1975 • 42 citations

Single-Center Calculations on the Electronically Excited States of Equilateral H3+ Ion

1971 • 40 citations

Photoionization and ion cyclotron resonance studies of the reaction of vibrationally excited C2H2+ ions with H2

1974 • 39 citations

The interpretation of the diffuse galactic radiation

1969 • 39 citations

Microwave detection of interstellar HDO

1975 • 39 citations

Considerations Regarding Cometary and Interstellar Molecules.

1942 • 37 citations

Spectrophotometric Results from the Copernicus Satellite.VI. Extinction by Grains at Wavelengths Between 1200 and 1000 Å

1973 • 37 citations

Physical Conditions in Interstellar Hydroxyl and Formaldehyde Clouds

1972 • 36 citations

Kinetic Energy in the Spontaneous Radiative Dissociation of Molecular Hydrogen

1973 • 35 citations

Hydromagnetic Shock Waves and Their Infrared Emission in H i Regions

1968 • 35 citations

Deuterium in Interstellar Molecules

1973 • 34 citations

Interstellar molecular abundances toward omicron Persei

1975 • 34 citations

Frequency Dependence of Pulsar Polarization

1973 • 34 citations

Photolysis of Formaldehyde at 1470 and 1236 Å

1971 • 33 citations

The photoionization cross section for diatomic CH

1972 • 33 citations

Dissociative Recombination E + CH^{+} (Χ^{1}Σ^{+}).

1973 • 33 citations

Spin-orbit contribution to the zero-field splitting in CH2

1974 • 33 citations

Molecular Organization of Photoreceptor Membranes of Rod Outer Segments

1972 • 32 citations

Formation of OH Through Inverse Predissociation

1971 • 31 citations

The Chemiluminescent Reaction of Oxygen Atoms with Sulfur Monoxide at Low Pressures

1965 • 30 citations

Dissociative Recombination of CH+ Ions

1973 • 30 citations

Excitation in Nebulae: Charge Transfer and the Cassiopeia Radio Source.

1956 • 29 citations

Cometary coma ions

1974 • 29 citations

The effect of vibrational energy on the reaction of molecular hydrogen with atomic oxygen

1975 • 28 citations

CH and CH+ Formation in Ion-Molecule Reactions

1972 • 28 citations

Molecule Formation. II. In Interstellar Shock Waves

1973 • 28 citations

The formation of carbon monoxide and the thermal balance in interstellar clouds

1975 • 28 citations

Kinetics of the reaction OH + D → OD + H

1975 • 27 citations

Predissociation in the C2Z+ State of CH and its Astrophysical Implications

1973 • 27 citations

Detection and significance of the interstellar OH line lambda 3078.

1976 • 27 citations

Observations of interstellar CH and a study of its chemistry and excitation

1975 • 26 citations

Rate constants for the reactions Cl++H2→HCl++H and ClH+ + H2 → ClH2+ + H

1974 • 26 citations

Ion chemistry in the cometary atmosphere

1975 • 25 citations

Energy dependence of the reaction of He+ with NH3

1975 • 24 citations

Models for Neutron-Core Stars Based on Realistic Nuclear-Matter Calculations

1970 • 23 citations

The C/+/-CO transition in interstellar clouds

1975 • 23 citations

Cosmic-Ray Heating and Molecular Cooling of Dense Clouds

1973 • 23 citations

The Meaning of the OH-H_{2};O Maser Maps

1971 • 22 citations

Molecule Formation. I. In Normal HI Clouds

1973 • 19 citations

The Formation of Interstellar Molecular Hydrogen by Physical Adsorption on Grains

1970 • 19 citations

Rate of the reaction N2H/+/ + CO yields HCO/+/ + N2 and its significance for the interstellar chemistry of N2H/+/

1975 • 19 citations

Interstellar molecules - Direct formation on graphite grains

1975 • 18 citations

The Density of H2 Molecules in Dark Interstellar Clouds

1972 • 18 citations

Laboratory Measurements of Some Ion-Molecule Reactions Related to the Formation of HCN in Dense Interstellar Clouds

1974 • 17 citations

Composition of grain mantles in interstellar clouds

1974 • 17 citations

The Analysis of Spectra and its Applications in Astronomy. George Darwin Lecture, delivered by Dr. H. N. Russell, Assoc.R.A.S., on 1935 June 14

1935 • 17 citations

Star Formation in Clouds of Molecular Hydrogen

1975 • 17 citations

On the Abundance of Interstellar OH

1966 • 17 citations

Reactions of C+ with Ethane, Ethylene, and Acetylene

1972 • 17 citations

The Abundance Ratio [(17) O]/[(18) o] in Dense Interstellar Clouds

1976 • 16 citations

Chemical Heating of Interstellar Clouds

1974 • 16 citations

The diffuse interstellar features studied in HD 21389 by polarimetry and spectrophotometry

1975 • 15 citations

Measurement of the photoelectric cross section of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>at 5.4 and 8.4 keV

1974 • 15 citations

Interstellar Molecules

1968 • 15 citations

Galactic-Latitude Dependence of Low-Energy Diffuse X-Rays

1972 • 15 citations

CH and CH+ in interstellar clouds

1974 • 15 citations

Interstellar HDCO - Upper limit and significance as an indicator of interstellar molecule reactions

1975 • 14 citations

Isotopic Abundances and Their Variations within the Galaxy

1974 • 14 citations

Observations of the Neutral Hydrogen Absorption Spectrum of Cygnus X-3

1973 • 13 citations

Molecular ch, CH+, and h, in the Interstellar Gas

1974 • 13 citations

Formation of Formaldehyde in Interstellar Clouds

1973 • 12 citations

Lifetimes for OH and OD electronic states with resonance transitions in the region between 1700 and 1950 Å

1975 • 12 citations

The galactic gas-to-dust ratio from observations of eighty-one globular clusters.

1974 • 12 citations

The interstellar radiation field between 912 Å and 2740 Å.

1975 • 12 citations

The influence of grain mantles on the formation of hydrogen molecules on grain surfaces

1975 • 11 citations

A Spectrographic survey of 21 planetary nebulae.

1976 • 11 citations

Positive Detection of an Excess of Low-Energy Diffuse X-Rays at High Galactic Latitude

1972 • 11 citations

Amino-acid Synthesis from Gases detected in Interstellar Space

1971 • 10 citations

Can the ion H3 + account for missing opacity in the solar ultraviolet?

1970 • 10 citations

Microwave observations of the rho Ophiuchi dark cloud

1975 • 10 citations

12C/13C Abundance Ratios from Observations of Interstellar H,13C'60

1974 • 9 citations

Interstellar Formaldehyde Production

1975 • 9 citations

Observations of the C-12/C-13 ratio in four galactic sources of formaldehyde

1976 • 9 citations

Physical adsorption of hydrogen on interstellar graphite grain surfaces

1975 • 8 citations

Radiation density and lifetimes of molecules in interstellar dust clouds

1975 • 8 citations

Absorption and emission by interstellar CH at 9 cm

1974 • 8 citations

Interstellar CH and CH+ from the Evaporation of Grain Mantles

1974 • 8 citations

A Search for OD in the Galactic Center

1974 • 8 citations

Extended X-Ray and Radio Observations of Scorpius X-1

1973 • 7 citations

High-frequency optival variables. I. G 61-29.

1973 • 7 citations

Molecule Formation in Dense Interstellar Clouds

1973 • 6 citations

Heat and Ionization Sources in the Interstellar Medium

1973 • 6 citations

Hydroxyl and formaldehyde production in the interstellar clouds observed by Davies and Matthews

1974 • 5 citations

Thermal and ionization equilibrium in a dense hydrogen cloud

1973 • 5 citations

On Circumstellar Molecules in the Pleiades

1972 • 4 citations

Radiative attachment of electrons to atomic hydrogen

1962 • 4 citations

PHOTOIONIZATION RATES IN INTERSTELLAR GAS

1973 • 4 citations

Time scales for molecule formation by ion-molecule reactions

1976 • 4 citations

Reaction of C2H+ with H2

1975 • 4 citations

Detection of Methyl Alcohol (CH 3 OH) in Orion at λ ~ 1 cm.

1971 • 3 citations

Rotational Cooling by Carbon Monoxide in Dark Clouds

1973 • 3 citations

Physics of the X-Radiation from Clusters of Galaxies

1973 • 3 citations

Cooling of Interstellar Clouds of Neutral Hydrogen and the Abundance of Molecular Hydrogen

1968 • 3 citations

On the photodestruction rate of hydrogen molecules in HI regions

1969 • 2 citations

Variations of the gas-dust relation in the general interstellar medium

1973 • 2 citations

Reactions in the Formation of Interstellar Radicals and Molecules

1974 • 2 citations

Population of excited rotational levels of interstellar H2

1975 • 2 citations

FORMATION OF INTERSTELLAR MOLECULES ON THE SURFACE OF GRAINS

1973 • 2 citations

Population of excited rotational levels of HD and CO in interstellar clouds

1975 • 2 citations