(entries added or altered in the last month are highlighted)

LIST OF COMETARY MOLECULES:
The Cosmic Ice Laboratory at NASA Goddard Space Flight Center

NOTES: Identifications explicitly considered to be tentative are
indicated with italics; recent detections are implicitly tentative.


YEAR
SPECIES
CITATION
SOURCE AND LINES
1864 C2
ASTROMOLECULE OF THE MONTH FOR MAY 2013
Schreiben des Herrn Prof. Donati an den Herausgeber
G. B. Donati, Astron Nachr 62:375-378 (1882)
Tempel

d3Πg - a3Πu - Swan bands
1881 CN
ASTROMOLECULE OF THE MONTH FOR JUN 2008
Preliminary Notes on the Photographic Spectrum of Comet 1881b
W. Huggins, Proc Roy Soc 33:1 (1882)
New Molecular Species in Comet C/1995 O1 (Hale-Bopp) Observed with the Caltech Submillimeter Observatory
D. C. Lis, D. M. Mehringer, D. Benford, M. Gardner, T. G. Phillips, D. Bockelée-Morvan, N. Biver, P. Colom, J. Crovisier, D. Despois, and H. Rauer, Earth Moon Planets 78:13-20 (1997)
1881b

B2Σ+ - X2Σ+ violet system
Hale-Bopp

25/2-13/2 (226.875 GHz)
1881 C3
ASTROMOLECULE OF THE MONTH FOR FEB 2008
Preliminary Notes on the Photographic Spectrum of Comet 1881b
W. Huggins, Proc Roy Soc 33:1 (1882)
1881b

B1Πu - X1Σg+ system
1910 N2+ Investigations Relating to the Spectra of Comets
A. Fowler, MNRAS 70:484-496 (1910)
Daniel, Morehouse

B2Σu+ - X1Σg+
(0-0) band at 3914 Å
1910 CO+ Investigations Relating to the Spectra of Comets
A. Fowler, MNRAS 70:484-496 (1910)
New Molecular Species in Comet C/1995 O1 (Hale-Bopp) Observed with the Caltech Submillimeter Observatory
D. C. Lis, D. M. Mehringer, D. Benford, M. Gardner, T. G. Phillips, D. Bockelée-Morvan, N. Biver, P. Colom, J. Crovisier, D. Despois, and H. Rauer, Earth Moon Planets 78:13-20 (1997)
Daniel, Morehouse

B2Σ+ - X2Σ+

Hale-Bopp

25/2-13/2 (236.063 GHz)
1938 CH
ASTROMOLECULE OF THE MONTH FOR MAY 2005
Les Bandes de CH et la Présence de l'Hydrogène dans les Comètes
M. Nicolet, Zeitschrift für Astrophysik 15:154 (1938)
CH Bands in Comet Spectra
J. Dufay, ApJ 91:91-102 (1940)
Various

line at 4300 Å
1941 NH
ASTROMOLECULE OF THE MONTH FOR JAN 2014
The Spectrum of Comet Cunningham, 1940c
P. Swings, C. T. Elvey, and H. W. Babcock, ApJ 94:320-343(1943)
Cunningham

A3Πi - X3Σ- lines
3350-3372 Å
1941 OH
ASTROMOLECULE OF THE MONTH FOR FEB 2009
The Spectrum of Comet Cunningham, 1940c
P. Swings, C. T. Elvey, and H. W. Babcock, ApJ 94:320-343(1943)
Cunningham

A2Σ+ - X2Πi lines
3079-3211 Å
1942 CH+
ASTROMOLECULE OF THE MONTH FOR APR 2007
Considerations Regarding Cometary and Interstellar Molecules
P. Swings, ApJ 95:270-280 (1942)
Various

three branches of the (0,0) band
at 4231, 4238.5, and 4254.4 Å
1943 NH2 Cometary Emission Spectra in the Visual Region
P. Swings, A. McKellar, and R. Minkowski, ApJ 98:142-153 (1943)
Various

A2A2X2B2 band system
1950 OH+ The Spectrum of Comet Bester (1947k
P. Swings and T. Page, ApJ 111:530-153 (1950)
Bester

A3Πi - 3Σ+ features
1950 CO2+ The Spectrum of Comet Bester (1947k
P. Swings and T. Page, ApJ 111:530-153 (1950)
Bester

UV and visible features
1974 H2O+ Spectroscopic Observations of Comet Kohoutek (1973f)
P. Benvenuti and K. Wurm, A&A 31:121-122 (1974)
Tentative Identffication of the H2O+ Ion in Comet Kohoutek
G. Herzberg and H. Lew, A&A 31:123-124 (1974)
Identification of H2O+ in the Tail of Comet Kohoutek (1973f)
P. A. Wehinger, S. Wyckoff, G. H. Herbig, G. Herzberg, and H. Lew, ApJ 190:L43-L46 (1974)
Kohoutek

A2A1X2B1 band system
1974 CH3CN
ASTROMOLECULE OF THE MONTH FOR SEP 2008
Detection of Methyl Cyanide in Comet Kohoutek
B. L. Ulick and E. K. Conklin, Nature 248:121 (1974)
Kohoutek

6,3 → 5,3 (110,709.7 MHz)
6,0 → 5,0 (110,712.4 MHz)
1974 HCN
ASTROMOLECULE OF THE MONTH FOR SEP 2010
HCN Radio Emission from Comet Kohoutek (1973f)
W. F. Huebner, L. E. Snyder, and D. Buhl, Icarus 23:580-584 (1974)
Kohoutek

J=1-0 (88.6 GHz)
1976 CO
ASTROMOLECULE OF THE MONTH FOR JUN 2003
Carbon Production in Comet West 1975n
P. D. Feldman and W. H. Brune ApJ 209:L45-L48 (1976)
Coma Formation Driven by Carbon-Monoxide Release from Comet Schwassmann-Wachmann 1
M. C. Senay and D. Jewitt, Nature 371:229 (1994)
West

(1,0) 1510 Å

Schwassmann-Wachmann
???
1980 CS
ASTROMOLECULE OF THE MONTH FOR SEP 2006
Production of Carbon, Sulfur, and CS in Comet West
A. M. Smith, T. P. Stecher, and L. Casswell, ApJ 242:402-410 (1980)
West

UV bands in the 1620-3960 Å range
1980 CN+ Production of Carbon, Sulfur, and CS in Comet West
A. M. Smith, T. P. Stecher, and L. Casswell, ApJ 242:402-410 (1980)
West

UV bands at 3162 and 3264 Å
from the C1Σ→a1Σ system
1983 NH3
ASTROMOLECULE OF THE MONTH FOR FEB 2010
Radio observations of Comet 1983 D
W. J. Altenhoff, W. K. Batrla, W. K. Huchtmeier, J. Schmidt, P. Stumpff, and W. Walmsley, A&A 125:L19-L22 (1983)
IRAS-Araki-Alcock 1983d

(3,3) inversion transition (23.9 GHz)
1983 S2 The discovery of S2 in comet IRAS-Araki-Alcock 1983d
M. F. A'Hearn, D. G. Schleicher, and P. D. Feldman, ApJ 274:L99-L103 (1983)
IRAS-Araki-Alcock 1983d

various UV bands
1984 HCO
ASTROMOLECULE OF THE MONTH FOR DEC 2008
Detection of New Molecules in the Visible Spectrum of Comet IRAS-Araki-Alcock (1983d)
C. B. Cosmovici and S. Ortolani, Nature 310:122-124 (1984)
IRAS-Araki-Alcock 1983d

visible bands
1984 H2S+ Detection of New Molecules in the Visible Spectrum of Comet IRAS-Araki-Alcock (1983d)
C. B. Cosmovici and S. Ortolani, Nature 310:122-124 (1984)
IRAS-Araki-Alcock 1983d

visible bands
1986 CO2
ASTROMOLECULE OF THE MONTH FOR MAR 2011
Infrared Sounding of Comet Halley from Vega 1
M. Combes, V.I. Moroz, J. F. Crifo, J. M. Lamarre, J. Charra, N. F. Sanko, A. Soufflot, J. P. Bibring, S. Cazes, N. Coron, J. Crovisier, C. Emerich, T. Encrenaz, R. Gispert, A. V. Grigoryev, G. Guyot, V. A. Krasnopolsky, Y. Nikolsky, and F. Rocard, Nature 321:266-268 (1986)
Halley

fluorescence signature
1986 H2O
ASTROMOLECULE OF THE MONTH FOR DEC 2011
Detection of Water Vapor in Halley's Comet
M. J. Mumma, H. A. Weaver, H. P. Larson, M. Williams, and D. S. Davis, Science 232:1523-1528 (1986)
Halley

nine rotational lines at 2.65 μm
1987 NO Some Diatomic Molecules from Comet P/Halley's UV Spectra Near Spacecraft Flybys
M. K. Wallis and K. S. Krishna Swamy, A&A 187:329-332 (1987)
Halley

(0,0) γ-band at 226.3 nm
1989 H2CO
ASTROMOLECULE OF THE MONTH FOR DEC 2005
Radio Detection of Formaldehyde Emission from Comet Halley
L. E. Snyder, P. Palmer, and I. de Pater, AJ 97:243-253 (1989)
Formaldehyde in Comets. I - Microwave Observations of P/Brorsen-Metcalf (1989 X), Austin (1990 V) and Levy (1990 XX)
P. Colom, J. Crovisier, D. Bockelée-Morvan, D. Despois, and G. Paubert, A&A 264:270-281 (1992)
Halley

JK-1 K1 = 111 - 110 (4429.659 MHz)
Austin, Levy

3(12)-2(11) (226 GHz)
1989 c-C3H3+ Probable Detection of Organic-Dust-Borne Aromatic C3H3+ Ions in the Coma of Comet Halley
A. Korth, M. L. Marconi, D. A. Mendis, F. R. Krueger, A. K. Richter, R. P. Lin, D. L. Mitchell, K. A. Anderson, C. W. Carlson, H. Rème, and C. d'Uston, Nature 337:53-55 (1989)
Halley

mass spectroscopy
1989 C3H+ On the Possible Detection of Organic Dust-Borne C3H+ Ions in the Coma of Comet Halley
M. L. Marconi, A. Korth, D. A. Mendis, R. P. Lin, D. L. Mitchell, H. Rème, and C. d'Uston, ApJ 343:L77-L79 (1989)
Halley

mass spectroscopy
1990 H3S+ The Identification of H3S+ with the Ion of Mass per Charge (m/q) 35 Observed in the Coma of Comet Halley
M. L. Marconi, D. A. Mendis, A. Korth, R. P. Lin, D. L. Mitchell, and H. Rème, ApJ 352:L17-L20 (1990)
Halley

mass spectroscopy
1991 NCN New ultraviolet spectroscopic features found in Comet Brorsen-Metcalf (1989o)
C. R. O'Dell, C. O. Miller, A. L. Cochran, W. D. Cochran, C. B. Opal, and E. S. Barker, ApJ 368:616-621 (1991)
Near-Ultraviolet Spectroscopy of Comet Austin (1989c1)
J. H. Valk, C. R. O'Dell, A. L. Cochran, W. D. Cochran, C. B. Opal, and E. S. Barker, ApJ 388:621-632 (1992)
Brorsen-Metcalf, Austin

A3Πu - X3Σg- lines
at 3284 and 3290 Å
1991 H2S
ASTROMOLECULE OF THE MONTH FOR NOV 2009
Microwave Detection of Hydrogen Sulphide and Methanol in Comet Austin (1989c1)
D. Bockelée-Morvan, P. Colom, J. Crovisier, D. Despois, and G. Paubert, Nature 350:318-320 (1991)
Austin

101 - 110 (168.762 GHz)
1991 CH3OH
ASTROMOLECULE OF THE MONTH FOR APR 2006
Microwave Detection of Hydrogen Sulphide and Methanol in Comet Austin (1989c1)
D. Bockelée-Morvan, P. Colom, J. Crovisier, D. Despois, and G. Paubert, Nature 350:318-320 (1991)
Austin

4 lines (96.7 GHz)
8 lines (145 GHz)
1994 C14H10 Detection of a polycyclic aromatic molecule in comet P/Halley
G. Moreels, J. Clairemidi, P. Hermine, P. Brechignac, and P. Rousselot, A&A 282:643-656 (1994)
Halley

UV bands at 347, 356, 364 and 374 nm
1995 H3O+
ASTROMOLECULE OF THE MONTH FOR FEB 2006
D/H and O-18/O-16 Ratio in the Hydronium Ion and in Neutral Water from in situ Ion Measurements in Comet Halley
H. Balsiger, K. Altwegg, and J. Geiss, J Geophys Res 100:5827-5834 (1995)
Deep Space 1 Encounter with Comet 19P/Borrelly: Ion Composition Measurements by the PEPE Mass Spectrometer
J. E. Nordholt,D. B. Reisenfeld, R. C. Wiens, S. P. Gary, F. Crary, D. M. Delapp, R. C. Elphic, H. O. Funsten, J. J. Hanley, D. J. Lawrence, D. J. McComas, M. Shappirio, J. T. Steinberg, J. Wang, and D. T. Young, Geophy Res Lett 30:1465 (2003).
Halley

mass spectrometry
Borrely
mass spectrometry
1996 HNC
ASTROMOLECULE OF THE MONTH FOR JAN 2011
Spectroscopic evidence for interstellar ices in Comet Hyakutake
W. Irvine, D. Bockelée-Morvan, D.C. Lis, H. E. Matthews, N. Biver, J. Crovisier, J. K. Davies, W. R. F. Dent, D. Gautier, P. D. Godfrey, J. Keene, A. J. Lowell, T. C. Owen, T. G. Phillips, H. Rauer, F. P. Schloerb, M. Senay, and K. Young, Nature 383:418-420 (1996)
Hyakutake

J = 4-3 (362.630092 GHz)
1996 CH4 Detection of Abundant Ethane and Methane, Along with Carbon Monoxide and Water, in Comet C/1996 B2 Hyakutake: Evidence for Interstellar Origin
M. J. Mumma, M. A. DiSanti, N. Dello Russo, M. Fomenkova, K. Magee-Sauer, C. D. Kaminski, and D. X. Xie, Science 272:1310-1314 (1996)
Hyakutake

???
1996 C2H6 Detection of Abundant Ethane and Methane, Along with Carbon Monoxide and Water, in Comet C/1996 B2 Hyakutake: Evidence for Interstellar Origin
M. J. Mumma, M. A. DiSanti, N. Dello Russo, M. Fomenkova, K. Magee-Sauer, C. D. Kaminski, and D. X. Xie, Science 272:1310-1314 (1996)
Hyakutake

???
1996 C2H2
ASTROMOLECULE OF THE MONTH FOR JUN 2013
Detection of Acetylene in the Infrared Spectrum of Comet Hyakutake
T. Y. Brooke, A. T. Tokunaga, H. A. Weaver, J. Crovisier, D. Bockelée-Morvan, and D. Crisp, Nature 383:606 (1996)
Hyakutake

3 P5 (3282.990 cm-1)
3 P4 (3285.377 cm-1)
3 P3 (3287.756 cm-1)
1997 HCO+ COMET C/1995 O1 (Hale-Bopp)
J. M. Veal, L. E. Snyder, M. C. H. Wright, J. R. Forster, W. Hoffman, M. Pound, I. de Pater, T. Helfer, R. L. Plambeck, G. Engargiola, and T. Wong, L. M. Woodney, M. F. A'Hearn, P. Palmer, Y.-J. Kuan, IAUC 6575 (1997)
HCO+ Imaging of Comet C/Hale-Bopp 1995 O1
A. J. Lovell, F. P. Schloerb, J. E. Dickens, C. H. DeVries, M. C. Senay, and W. M. Irvine, ApJ 497:L117-L121 (1998)
Hale-Bopp

J=1-0 (89.189 GHz)
1997 H2CS
ASTROMOLECULE OF THE MONTH FOR MAR 2005
COMET C/1995 O1 (Hale-Bopp)
L. M. Woodney, J. McMullin, M. F. A'Hearn, and N. Samarasinha, IAUC 6607 (1997)
Hale-Bopp

7(16)-5(15) (244.0478 GHz)
1997 OCS
ASTROMOLECULE OF THE MONTH FOR SEP 2005
Detection of OCS in comet Hyakutake (C/1996 B2)
L. M. Woodney, J. McMullin, and M. F. A'Hearn, P&SS 45:717-719 (1997)
Hyakutake

J(12-11) (145.95 GHz)
1997 HNCO
ASTROMOLECULE OF THE MONTH FOR APR 2004
Spectroscopic Observations of Comet C/1996 B2 (Hyakutake) with the Caltech Submillimeter Observatory
D. C. Lis, J. Keene, K. Young, T. G. Phillips, D. Bockelée-Morvan, J. Crovisier, P. Schilke, P. F. Goldsmith and E. A. Bergin, Icarus 130:355-272 (1997)
Hyakutake

160,16-150,15 ()
1998 HDO
ASTROMOLECULE OF THE MONTH FOR JUL 2015
Deuterated Water in Comet C/1996 B2 (Hyakutake) and Its Implications for the Origin of Comets
D. Bockelée-Morvan, D. Gautier, D. C. Lis, K. Young, J. Keene, T. Phillips, T. Owen, J. Crovisier, P. F. Goldsmith, E. A. Bergin, D. Despois, and A. Wootten, Icarus 133:147-162 (1998)
Hyakutake

101-000 transition (464.925 GHz)
2000 SO
ASTROMOLECULE OF THE MONTH FOR NOV 2012
New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material
D. Bockelée-Morvan, D. C. Lis, J. E. Wink, D. Despois, J. Crovisier, R. Bachiller, D. J. Benford, N. Biver, P. Colom, J. K. Davies, E. Gérard, B. Germain, M. Houde, D. Mehringer, R. Moreno, G. Paubert, T. G. Phillips, and H. Rauer, A&A 353:1101-1114 (2000)
Hale-Bopp

55 - 44 (215.2206 GHz)
65 - 54 (219.9494 GHz)
56 - 45 (251.8258 GHz)
76 - 65 (261.8437 GHz)
87 - 76 (304.0778 GHz)
2000 SO2
ASTROMOLECULE OF THE MONTH FOR AUG 2003
New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material
D. Bockelée-Morvan, D. C. Lis, J. E. Wink, D. Despois, J. Crovisier, R. Bachiller, D. J. Benford, N. Biver, P. Colom, J. K. Davies, E. Gérard, B. Germain, M. Houde, D. Mehringer, R. Moreno, G. Paubert, T. G. Phillips, and H. Rauer, A&A 353:1101-1114 (2000)
Hale-Bopp

120,12 - 111,11 (203.3916 GHz)
111,11 - 100,10 (221.9652 GHz)
161,15 - 152,14 (236.2167 GHz)
2000 HC3N
ASTROMOLECULE OF THE MONTH FOR APR 2011
New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material
D. Bockelée-Morvan, D. C. Lis, J. E. Wink, D. Despois, J. Crovisier, R. Bachiller, D. J. Benford, N. Biver, P. Colom, J. K. Davies, E. Gérard, B. Germain, M. Houde, D. Mehringer, R. Moreno, G. Paubert, T. G. Phillips, and H. Rauer, A&A 353:1101-1114 (2000)
Hale-Bopp

24 - 23 (218.3248 GHz)
25 - 24 (227.4189 GHz)
28 - 27 (254.6996 GHz)
29 - 28 (263.7925 GHz)
2000 NH2CHO
ASTROMOLECULE OF THE MONTH FOR JAN 2005
New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material
D. Bockelée-Morvan, D. C. Lis, J. E. Wink, D. Despois, J. Crovisier, R. Bachiller, D. J. Benford, N. Biver, P. Colom, J. K. Davies, E. Gérard, B. Germain, M. Houde, D. Mehringer, R. Moreno, G. Paubert, T. G. Phillips, and H. Rauer, A&A 353:1101-1114 (2000)
Hale-Bopp

101,9 - 91,8 (218.4596 GHz)
110,11 - 100,10 (227.6062 GHz)
125,K - 115,K-1 (254.8776 GHz)
2000 HCOOH
ASTROMOLECULE OF THE MONTH FOR MAY 2004
New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material
D. Bockelée-Morvan, D. C. Lis, J. E. Wink, D. Despois, J. Crovisier, R. Bachiller, D. J. Benford, N. Biver, P. Colom, J. K. Davies, E. Gérard, B. Germain, M. Houde, D. Mehringer, R. Moreno, G. Paubert, T. G. Phillips, and H. Rauer, A&A 353:1101-1114 (2000)
Hale-Bopp

106,K - 96,K-1 (224.9292 GHz)
106,K - 96,K-1 (224.9768 GHz)
103,8 - 93,7 (225.2378 GHz)
103,7 - 93,6 (225.5126 GHz)
2000 HCOOCH3 New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material
D. Bockelée-Morvan, D. C. Lis, J. E. Wink, D. Despois, J. Crovisier, R. Bachiller, D. J. Benford, N. Biver, P. Colom, J. K. Davies, E. Gérard, B. Germain, M. Houde, D. Mehringer, R. Moreno, G. Paubert, T. G. Phillips, and H. Rauer, A&A 353:1101-1114 (2000)
Hale-Bopp

216,Ka,Kc - 206,K'a,K'c
(227.562 GHz)
2000 NS
ASTROMOLECULE OF THE MONTH FOR APR 2010
Detection of Nitrogen Sulfide in Comet Hale-Bopp
W. M. Irvine, M. Senay, A. J. Lovell, H. E. Matthews, D. McGonagle, and R. Meier, Icarus 143:412-414 (2000)
Hale-Bopp

6 rotational lines around 346 GHz
2002 H2
ASTROMOLECULE OF THE MONTH FOR OCT 2013
Far Ultraviolet Spectroscopic Explorer Observations of CO and H2 Emission in Comet C/2001 A2 (LINEAR)
P. D. Feldman, H. A. Weaver, and E. B. Burgh, ApJ 576:L91-L94 (2002)
LINEAR

Lyman system lines at
1071.6, 1118.6, and 1166.8 Å
2004 HOCH2CH2OH ASTROMOLECULE OF THE MONTH FOR DEC 2003 Ethylene Glycol in Comet C/1995 O1 (Hale-Bopp)
J. Crovisier, D. Bockelée-Morvan, N. Biver, P. Colom, D. Despois, and D. C. Lis, A&A 418:L35-L38 (2004)
Hale-Bopp

17 rotational lines
2004 HCOCH3 The Composition of Ices in Comet C/1995 O1 (Hale-Bopp) from Radio Spectroscopy. Further Results and Upper Limits on Undetected Species
J. Crovisier, D. Bockelée-Morvan, P. Colom, N. Biver, N. Biver, D. Despois, and D. C. Lis, A&A 418:1141-1157 (2004)
Hale-Bopp

8 rotational lines from 216-245 GHz
2004 CS2 Using the Ultraviolet and Visible Spectrum of Comet 122P/de Vico to Identify the Parent Molecule CS2
W. M. Jackson, A. Scodinu, D. Xu, and A. L. Cochran, ApJ 607:L139-L141 (2004)
de Vico

UV-vis fluorescence
2004 C16H10 Tentative Identification of Pyrene as a Polycyclic Aromatic Molecule in UV Spectra of Comet P/Halley: An Emission from 368 to 384 nm
J. Clairemidi, P. Bréchignac, G. Moreels, and D. Pautet, P&SS 52:761-772 (2004)
Halley

UV bands from 368-384 nm
2008 CH3NH2 Detection of cometary amines in samples returned by Stardust
D. P. Glavin, J. P. Dworkin, and S. A. Sandford. Meteor Planet Sci 43:399-413(2008).
Wild 2 (Stardust)

mass peak at 293.10 amu
2008 C2H5NH2 Detection of cometary amines in samples returned by Stardust
D. P. Glavin, J. P. Dworkin, and S. A. Sandford. Meteor Planet Sci 43:399-413(2008).
Wild 2 (Stardust)

mass peak at 307.11 amu
2008 C14H10
ASTROMOLECULE OF THE MONTH FOR APR 2002
Identification of anthracene in Comet 1P/Halley
J. Clairemidi, G. Moreels, O. Mousis, and P. Bréchignac, A&A 492:245-250 (2008).
Halley

UV peaks at 363, 367.5, 373
and 382.5 nm
2015 CH3NCO
methyl isocyanate
Organic compounds on comet 67P/Churyumov-Gerasimenko revealed by COSAC mass spectrometry
F. Goesmann, H. Rosenbauer, J. H. Bredehöft, M. Cabane, P. Ehrenfreund, T. Gautier, C. Giri, H. Krüger, L. Le Roy, A. J. MacDermott, S. McKenna-Lawlor, U. J. Meierhenrich, G. M. Muñoz Caro, F. Raulin, R. Roll, A. Steele, H. Steininger, R. Sternberg, C. Szopa, W. Thiemann, and S. Ulamec. Science 349, aab0689 (2015).
67P/Churyumov-Gerasimenko

mass 57
2015 (CH3)2CO
acetone
Organic compounds on comet 67P/Churyumov-Gerasimenko revealed by COSAC mass spectrometry
F. Goesmann, H. Rosenbauer, J. H. Bredehöft, M. Cabane, P. Ehrenfreund, T. Gautier, C. Giri, H. Krüger, L. Le Roy, A. J. MacDermott, S. McKenna-Lawlor, U. J. Meierhenrich, G. M. Muñoz Caro, F. Raulin, R. Roll, A. Steele, H. Steininger, R. Sternberg, C. Szopa, W. Thiemann, and S. Ulamec. Science 349, aab0689 (2015).
67P/Churyumov-Gerasimenko

mass 58
2015 CH3CONH2
acetamide
Organic compounds on comet 67P/Churyumov-Gerasimenko revealed by COSAC mass spectrometry
F. Goesmann, H. Rosenbauer, J. H. Bredehöft, M. Cabane, P. Ehrenfreund, T. Gautier, C. Giri, H. Krüger, L. Le Roy, A. J. MacDermott, S. McKenna-Lawlor, U. J. Meierhenrich, G. M. Muñoz Caro, F. Raulin, R. Roll, A. Steele, H. Steininger, R. Sternberg, C. Szopa, W. Thiemann, and S. Ulamec. Science 349, aab0689 (2015).
67P/Churyumov-Gerasimenko

mass 59
2015 C2H5CHO
propionaldehyde
Organic compounds on comet 67P/Churyumov-Gerasimenko revealed by COSAC mass spectrometry
F. Goesmann, H. Rosenbauer, J. H. Bredehöft, M. Cabane, P. Ehrenfreund, T. Gautier, C. Giri, H. Krüger, L. Le Roy, A. J. MacDermott, S. McKenna-Lawlor, U. J. Meierhenrich, G. M. Muñoz Caro, F. Raulin, R. Roll, A. Steele, H. Steininger, R. Sternberg, C. Szopa, W. Thiemann, and S. Ulamec. Science 349, aab0689 (2015).
67P/Churyumov-Gerasimenko

mass 58
2015 C2H5OH
ethyl alcohol
Ethyl alcohol and sugar in comet C/2014 Q2 (Lovejoy)
N. Biver, D. Bockelée-Morvan, R. Moreno, J. Crovisier, P. Colom, D. C. Lis, A. Sandqvist, J. Boissier, D. Despois, and S. N. Milam. Sci Adv 1:e1500863 (2015).
C/2014 Q2 Lovejoy

13 lines
2015 CH2CHCHO
glycolaldehyde
Ethyl alcohol and sugar in comet C/2014 Q2 (Lovejoy)
N. Biver, D. Bockelée-Morvan, R. Moreno, J. Crovisier, P. Colom, D. C. Lis, A. Sandqvist, J. Boissier, D. Despois, and S. N. Milam. Sci Adv 1:e1500863 (2015).
C/2014 Q2 Lovejoy

2 lines
2017 CH3Cl
chloromethane
Protostellar and cometary detections of organohalogens
E. C. Fayolle, K. I. Öberg, J. K. Jørgensen, K. Altwegg, H. Calcutt, H. S. P. Müller, M. Rubin, M. H. D. van der Wiel, P. Bjerkeli, T. L. Bourke, A. Coutens, E. F. van Dishoeck, M. N. Drozdovskaya, R. T. Garrod, N. F. W. Ligterink, M. V. Persson, S. F. Wampfler & the ROSINA team. Nature Astron 1:702-708 (2017).
67P/Churyumov-Gerasimenko

mass 49.99
2017 HF
hydrogen fluoride
Halogens as tracers of protosolar nebula material in comet 67P/Churyumov-Gerasimenko
F. Dhooghe, J. De Keyser, K. Altwegg, C. Briois, H. Balsiger, J.-J. Berthelier, U. Calmonte, G. Cessateur, M. R. Combi, E. Equeter, B. Fiethe, N. Fray, S. Fuselier, S. Gasc, A. Gibbons, T. Gombosi, H. Gunell, M. Hässig, M. Hilchenbach, L. Le Roy, R. Maggiolo, U. Mall, B. Marty, E. Neefs, H. R&egreace;me, M. Rubin, T. Sémon, C.-Y. Tzou, and P. Wurz. MNRAS 472:1336-1345 (2017).
67P/Churyumov-Gerasimenko

H19F, mass 20.0062
2017 HCl
hydrogen chloride
Halogens as tracers of protosolar nebula material in comet 67P/Churyumov-Gerasimenko
F. Dhooghe, J. De Keyser, K. Altwegg, C. Briois, H. Balsiger, J.-J. Berthelier, U. Calmonte, G. Cessateur, M. R. Combi, E. Equeter, B. Fiethe, N. Fray, S. Fuselier, S. Gasc, A. Gibbons, T. Gombosi, H. Gunell, M. Hässig, M. Hilchenbach, L. Le Roy, R. Maggiolo, U. Mall, B. Marty, E. Neefs, H. R&egreace;me, M. Rubin, T. Sémon, C.-Y. Tzou, and P. Wurz. MNRAS 472:1336-1345 (2017).
67P/Churyumov-Gerasimenko

H35Cl, mass 35.9767
2017 HBr
hydrogen bromide
Halogens as tracers of protosolar nebula material in comet 67P/Churyumov-Gerasimenko
F. Dhooghe, J. De Keyser, K. Altwegg, C. Briois, H. Balsiger, J.-J. Berthelier, U. Calmonte, G. Cessateur, M. R. Combi, E. Equeter, B. Fiethe, N. Fray, S. Fuselier, S. Gasc, A. Gibbons, T. Gombosi, H. Gunell, M. Hässig, M. Hilchenbach, L. Le Roy, R. Maggiolo, U. Mall, B. Marty, E. Neefs, H. R&egreace;me, M. Rubin, T. Sémon, C.-Y. Tzou, and P. Wurz. MNRAS 472:1336-1345 (2017).
67P/Churyumov-Gerasimenko

H79Br, mass 79.9262
H81Br, mass 81.9241

UV-vis (electronic excitations)      mm/sub-mm (rotational excitations)      infrared (vibrational excitations)
mass spectrometry


Maintained by DE Woon
Updated 22 October 2017