154 citations · 936 across the 28 of their papers we have counts for
29 papers
Detection of a four-carbon sugar in interstellar space
Izaskun Jimenez-Serra, Juan Garcia de la Concepcion, Herma M. Cuppen +19
Sugars are essential biomolecules, serving as metabolic fuels, nucleic acid backbone components, and structural or energy-storage polymers. A central question in origin-of-life res…
Star Formation in Extreme Environments: A 200 pc High Velocity Gas Stream in the Galactic Centre
V. S. Veena, W. -J. Kim, Alvaro Sanchez-Monge +9
The expanding molecular ring (EMR) manifests itself as a parallelogram in the position-velocity diagram of spectral line emission from the Central Molecular Zone (CMZ) surrounding…
First detection in space of the high-energy isomer of cyanomethanimine: H2CNCN
David San Andrés, Víctor M. Rivilla, Laura Colzi +14
We report the first detection in the interstellar medium of -cyanomethanimine (HCNCN), the stable dimer of HCN of highest energy, and the most complex organic molecule ident…
Discovery of thionylimide, HNSO, in space: the first N-, S- and O-bearing interstellar molecule
Miguel Sanz-Novo, Víctor M. Rivilla, Holger S. P. Müller +12
We present the first detection in space of thionylimide (HNSO) toward the Galactic Center molecular cloud G+0.693-0.027, thanks to the superb sensitivity of an ultradeep molecular…
Interstellar detection of O-protonated carbonyl sulfide, HOCS+
Miguel Sanz-Novo, Víctor M. Rivilla, Izaskun Jiménez-Serra +12
We present the first detection in space of O-protonated carbonyl sulfide (\ch{HOCS+}), in the midst of an ultradeep molecular line survey toward the G+0.693-0.027 molecular cloud.…
Discovery of thiofulminic acid with the QUIJOTE line survey: A study of the isomers of HNCS and HNCO in TMC-1
José Cernicharo, Marcelino Agúndez, Carlos Cabezas +4
We present the first detection of HCNS (thiofulminic acid) in space with the QUIJOTE line survey in the direction of TMC-1. We performed a complete study of the isomers of CHNS and…
First glycine isomer detected in the interstellar medium: glycolamide (NHC(O)CHOH)
Víctor M. Rivilla, Miguel Sanz-Novo, Izaskun Jiménez-Serra +13
We report the first detection in the interstellar medium of a CHON isomer: -glycolamide (NHC(O)CHOH). The exquisite sensitivity at sub-mK levels of an ultr…
The first detection of SiC in the interstellar medium
S. Massalkhi, I. Jiménez-Serra, J. Martín-Pintado +7
We report the first detection of SiC in the interstellar medium. The molecule was identified through six rotational transitions toward G\,+0.6930.027, a molecular cloud loca…
Discovery of the elusive carbonic acid (HOCOOH) in space
Miguel Sanz-Novo, Víctor M. Rivilla, Izaskun Jiménez-Serra +12
After a quarter century since the detection of the last interstellar carboxylic acid, acetic acid (CHCOOH), we report the discovery of a new one, the cis-trans form of carbonic…
Amides inventory towards the G+0.693-0.027 molecular cloud
S. Zeng, V. M. Rivilla, I. Jiménez-Serra +6
Interstellar amides have attracted significant attentions as they are potential precursors for a wide variety of organics essential to life. However, our current understanding of t…
The spatial distribution of an aromatic molecule, C6H5CN, in the cold dark cloud TMC-1
J. Cernicharo, B. Tercero, N. Marcelino +2
We present a highly sensitive 2D line survey of TMC-1 obtained with the Yebes 40m radio telescope in the Q-band (31.13-49.53 GHz). These maps cover a region of 320 arcsec x 320 arc…
A ring-like accretion structure in M87 connecting its black hole and jet
Ru-Sen Lu, Keiichi Asada, Thomas P. Krichbaum +118
The nearby radio galaxy M87 is a prime target for studying black hole accretion and jet formation^{1,2}. Event Horizon Telescope observations of M87 in 2017, at a wavelength of 1.3…
Detection of ethanol, acetone, and propanal in TMC-1: New O-bearing complex organics in cold sources
M. Agundez, J. C. Loison, K. M. Hickson +7
We present the detection of ethanol (C2H5OH), acetone (CH3COCH3), and propanal (C2H5CHO) toward the cyanopolyyne peak of TMC-1. These three O-bearing complex organic molecules are…
J2102+6015: an Intriguing Radio-loud Active Galactic Nucleus in the Early Universe
S. Frey, T. An, K. Gabányi +10
The powerful high-redshift quasar J2102+6015 (at z=4.575) may provide useful information for studying supermassive black hole growth, galaxy evolution and feedback in the early Uni…
Discovery of interstellar NC4NH+: dicyanopolyynes are indeed abundant in space
M. Agundez, C. Cabezas, N. Marcelino +4
The previous detection of two species related to the non polar molecule cyanogen (NCCN), its protonated form (NCCNH+) and one metastable isomer (CNCN), in cold dense clouds support…
Discovery of fulvenallene in TMC-1 with the QUIJOTE line survey
José Cernicharo, Raúl Fuentetaja, Marcelino Agúndez +6
We report the detection of fulvenallene (-CHCCH) in the direction of TMC-1 with the QUIJOTE line survey. Thirty rotational transitions with =0,1,2,3 and =9-1…
Discovery of five cyano derivatives of propene with the QUIJOTE line survey
José Cernicharo, Raúl Fuentetaja, Carlos Cabezas +5
We report the discovery of five cyano derivatives of propene towards TMC-1 with the QUIJOTE line survey: and -crotononitrile (-CHCHCHCN, -CHCHCHCN), meth…
Discovery of CH2CCHC4H and a rigorous detection of CH2CCHC3N in TMC-1 with the QUIJOTE line survey
R. Fuentetaja, C. Cabezas, M. Agundez +5
Using the QUIJOTE line survey in the 32.0-50.4 GHz range, we report the discovery of the molecule CH2CCHC4H towards the prestellar cold core TMC-1 in the Taurus region. We also pre…
Molecular precursors of the RNA-world in space: new nitriles in the G+0.693-0.027 molecular cloud
Víctor M. Rivilla, Izaskun Jiménez-Serra, Jesus Martín-Pintado +10
Nitriles play a key role as molecular precursors in prebiotic experiments based on the RNA-world scenario for the origin of life. These chemical compounds could have been partially…
Discovery of the cyclic C5H radical in TMC-1
Carlos Cabezas, Marcelino Agundez, Raul Fuentetaja +6
Cyclic C5H (c-C5H), the radical formed by substituting an ethynyl group CCH for the hydrogen atom in the c-C3H radical, has been detected for the first time in the space. The c-C5H…
Detection of the propargyl radical at lambda 3 mm
M. Agundez, N. Marcelino, C. Cabezas +4
We report the detection of the propargyl radical (CH2CCH) in the cold dark cloud TMC-1 in the lambda 3 mm wavelength band. We recently discovered this species in space toward the s…
Discovery of HCCCO and C5O in TMC-1 with the QUIJOTE line survey
J. Cernicharo, M. Agundez, C. Cabezas +5
We report on the detection, for the first time in space, of the radical HCCCO and of pentacarbon monoxide, C5O. The derived column densities are (1.6+/-0.2)e11 cm-2 and (1.5+/-0.2)…
Ultra-deep 31.0-50.3 GHz spectral survey of IRC+10216
J. R. Pardo, J. Cernicharo, B. Tercero +8
Context. IRC+10216, the carbon-rich envelope of the asymptotic giant branch (AGB) star CW Leo, is one of the richest molecular sources in the sky. Available spectral surveys below…
VLBI data processing on coronal radio-sounding experiments of Mars express
Maoli Ma, Guifré Molera Calvés, Giuseppe Cimò +13
The ESA's Mars Express solar corona experiments were performed at two solar conjunctions in the years 2015 and 2017 by a number of radio telescopes in the European VLBI Network. Th…