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Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey (2023)
Journal Article
Guarcello, M. G., Drake, J. J., Wright, N. J., Naylor, T., Flaccomio, E., Kashyap, V. L., & García-Alvarez, D. (2023). Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey. Astrophysical Journal Supplement, 269(1), 9. https://doi.org/10.3847/1538-4365/acdd64

The young massive OB association Cygnus OB2, in the Cygnus X complex, is the closest (∼1400 pc) star-forming region to the Sun hosting thousands of young low-mass stars and up to 1000 OB stars, among which are some of the most massive stars known in... Read More about Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey.

A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134 (2023)
Journal Article
Rescigno, F., Hébrard, G., Vanderburg, A., Mann, A. W., Mortier, A., Morrell, S., …Forés-Toribio, R. (in press). A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134. Monthly Notices of the Royal Astronomical Society, 527(3), 5385-5407. https://doi.org/10.1093/mnras/stad3255

We present the characterisation of an inner mini-Neptune in a 9.2292005±0.0000063 day orbit and an outer mono-transiting sub-Saturn planet in a 95.50$^{+0.36}_{-0.25}$ day orbit around the moderately active, bright (mv = 8.9 mag) K5V star TOI-2134. B... Read More about A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134.

Classification of Chandra X-Ray Sources in Cygnus OB2 (2023)
Journal Article
Kashyap, V. L., Guarcello, M. G., Wright, N. J., Drake, J. J., Flaccomio, E., Aldcroft, T. L., …Sciortino, S. (2023). Classification of Chandra X-Ray Sources in Cygnus OB2. Astrophysical Journal Supplement, 269(1), Article 10. https://doi.org/10.3847/1538-4365/acdd68

We have devised a predominantly Naive Bayes−based method to classify X-ray sources detected by Chandra in the Cygnus OB2 association into members, foreground objects, and background objects. We employ a variety of X-ray, optical, and infrared charact... Read More about Classification of Chandra X-Ray Sources in Cygnus OB2.

Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations (2023)
Journal Article
Wright, N. J., Drake, J. J., Guarcello, M. G., Kashyap, V. L., & Zezas, A. (2023). Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations. Astrophysical Journal Supplement, 269(1), Article 8. https://doi.org/10.3847/1538-4365/acdd63

The Chandra Cygnus OB2 Legacy Survey is a wide and deep X-ray survey of the nearby and massive Cygnus OB2 association. The survey has detected ∼8000 X-ray sources, the majority of which are pre-main-sequence X-ray-emitting young stars in the associat... Read More about Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations.

X-Ray Spectral Characterization of the Young Cygnus OB2 Population (2023)
Journal Article
Flaccomio, E., Albacete-Colombo, J. F., Drake, J. J., Guarcello, M. G., Kashyap, V., Wright, N. J., …Sciortino, S. (2023). X-Ray Spectral Characterization of the Young Cygnus OB2 Population. Astrophysical Journal Supplement, 269(1), Article 12. https://doi.org/10.3847/1538-4365/acdd66

We analyze the X-ray spectra of the ∼8000 sources detected in the Cygnus OB2 Chandra Legacy Survey (this focus issue), with the goals of characterizing the coronal plasma of the young low-mass stars in the region and estimating their intrinsic X-ray... Read More about X-Ray Spectral Characterization of the Young Cygnus OB2 Population.

Diffuse X-Ray Emission in the Cygnus OB2 Association (2023)
Journal Article
Albacete-Colombo, J. F., Drake, J. J., Flaccomio, E., Wright, N. J., Kashyap, V., Guarcello, M. G., …Vink, J. S. (2023). Diffuse X-Ray Emission in the Cygnus OB2 Association. Astrophysical Journal Supplement, 269(1), Article 14. https://doi.org/10.3847/1538-4365/acdd65

We present a large-scale study of diffuse X-ray emission in the nearby massive stellar association Cygnus OB2 as part of the Chandra Cygnus OB2 Legacy Program. We used 40 Chandra X-ray ACIS-I observations covering ∼1.0 deg2. After removing 7924 point... Read More about Diffuse X-Ray Emission in the Cygnus OB2 Association.

The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog (2023)
Journal Article
Wright, N. J., Drake, J. J., Guarcello, M. G., Aldcroft, T. L., Kashyap, V. L., Damiani, F., …Fruscione, A. (2023). The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog. Astrophysical Journal Supplement, 269(1), Article 7. https://doi.org/10.3847/1538-4365/acdd62

The Cygnus OB2 association is the largest concentration of young and massive stars within 2 kpc of the Sun, including an estimated ∼65 O-type stars and hundreds of OB stars. The Chandra Cygnus OB2 Legacy Survey is a large imaging program undertaken w... Read More about The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog.

Photoevaporation and Close Encounters: How the Environment around Cygnus OB2 Affects the Evolution of Protoplanetary Disks (2023)
Journal Article
Guarcello, M. G., Drake, J. J., Wright, N. J., Albacete-Colombo, J. F., Clarke, C., Ercolano, B., …Vink, J. S. (2023). Photoevaporation and Close Encounters: How the Environment around Cygnus OB2 Affects the Evolution of Protoplanetary Disks. Astrophysical Journal Supplement, 269(1), Article 13. https://doi.org/10.3847/1538-4365/acdd67

In our Galaxy, star formation occurs in a variety of environments, with a large fraction of stars formed in clusters hosting massive stars. OB stars have an important feedback on the evolution of protoplanetary disks orbiting around nearby young star... Read More about Photoevaporation and Close Encounters: How the Environment around Cygnus OB2 Affects the Evolution of Protoplanetary Disks.

The Statistical Uncertainties on X-Ray Flux and Spectral Parameters from Chandra ACIS-I Observations of Faint Sources: Application to the Cygnus OB2 Association (2023)
Journal Article
Albacete-Colombo, J. F., Flaccomio, E., Drake, J. J., Wright, N. J., Guarcello, M., & Kashyap, V. (2023). The Statistical Uncertainties on X-Ray Flux and Spectral Parameters from Chandra ACIS-I Observations of Faint Sources: Application to the Cygnus OB2 Association. Astrophysical Journal Supplement, 269(1), 11. https://doi.org/10.3847/1538-4365/acdd69

We investigate the uncertainties of fitted X-ray model parameters and fluxes for relatively faint Chandra ACIS-I source spectra. Monte Carlo (MC) simulations are employed to construct a large set of 150,000 fake X-ray spectra in the low photon count... Read More about The Statistical Uncertainties on X-Ray Flux and Spectral Parameters from Chandra ACIS-I Observations of Faint Sources: Application to the Cygnus OB2 Association.

A pilot study: effect of irisin on trabecular bone in a streptozotocin-induced animal model of type 1 diabetic osteopathy utilizing a micro-CT (2023)
Journal Article
Mohsin, S., Brock, F., Kaimala, S., Greenwood, C., Sulaiman, M., Rogers, K., & Adeghate, E. (in press). A pilot study: effect of irisin on trabecular bone in a streptozotocin-induced animal model of type 1 diabetic osteopathy utilizing a micro-CT. PeerJ, 11, Article e16278. https://doi.org/10.7717/peerj.16278

Background: Osteoporosis is a significant co-morbidity of type 1 diabetes mellitus (DM1) leading to increased fracture risk. Exercise-induced hormone ‘irisin’ in low dosage has been shown to have a beneficial effect on bone metabolism by increasing o... Read More about A pilot study: effect of irisin on trabecular bone in a streptozotocin-induced animal model of type 1 diabetic osteopathy utilizing a micro-CT.

The EDIBLES survey: VI. Searching for time variations of interstellar absorption features (2023)
Journal Article
Farhang, A., Smoker, J., Cox, N. L. J., Cami, J., Linnartz, H., van Loon, J. T., …Laverick, M. (2023). The EDIBLES survey: VI. Searching for time variations of interstellar absorption features. Astronomy & Astrophysics, 678, Article A148. https://doi.org/10.1051/0004-6361/202037581

Context. Interstellar absorption observed toward stellar targets changes slowly over long timescales, mainly due to the proper motion of the background target relative to the intervening clouds, such that over time, different parts of the intervening... Read More about The EDIBLES survey: VI. Searching for time variations of interstellar absorption features.

Harnessing a Biocatalyst to Bioremediate the Purification of Alkylglycosides. (2023)
Journal Article
Wahart, A. J. C., Dolan, J. P., Anderson, S. D., Cheallaigh, A. N., Staniland, J., Lima, M. A., …Cosgrove, S. C. (in press). Harnessing a Biocatalyst to Bioremediate the Purification of Alkylglycosides. ChemBioChem, Article e202300625. https://doi.org/10.1002/cbic.202300625

As the world moves towards net-zero carbon emissions, the development of sustainable chemical manufacturing processes is essential. Within manufacturing, purification by distillation is often used, however this process is energy intensive and methods... Read More about Harnessing a Biocatalyst to Bioremediate the Purification of Alkylglycosides..

3D Simulations of Magnetoconvection in a Rapidly Rotating Supernova Progenitor (2023)
Journal Article
Varma, V., & Müller, B. (2023). 3D Simulations of Magnetoconvection in a Rapidly Rotating Supernova Progenitor. Monthly Notices of the Royal Astronomical Society, 526(4), 5249–5262. https://doi.org/10.1093/mnras/stad3113

We present a first 3D magnetohydrodynamic (MHD) simulation of oxygen, neon and carbon shell burning in a rapidly rotating 16M⊙ core-collapse supernova progenitor. We also run a purely hydrodynamic simulation for comparison. After $\mathord \approx 18... Read More about 3D Simulations of Magnetoconvection in a Rapidly Rotating Supernova Progenitor.

Supramolecular Polymer Polymorphism: Spontaneous Helix-Helicoid Transition through Dislocation of Hydrogen-Bonded π-Rosettes. (2023)
Journal Article
Otsuka, C., Takahashi, S., Isobe, A., Saito, T., Aizawa, T., Tsuchida, R., …Hollamby, M. J. (2023). Supramolecular Polymer Polymorphism: Spontaneous Helix-Helicoid Transition through Dislocation of Hydrogen-Bonded π-Rosettes. Journal of the American Chemical Society, 145(41), 22563-22576. https://doi.org/10.1021/jacs.3c07556

Polymorphism, a phenomenon whereby disparate self-assembled products can be formed from identical molecules, has incited interest in the field of supramolecular polymers. Conventionally, the monomers that constitute supramolecular polymers are engine... Read More about Supramolecular Polymer Polymorphism: Spontaneous Helix-Helicoid Transition through Dislocation of Hydrogen-Bonded π-Rosettes..

The Nuclear Reaction Network WinNet (2023)
Journal Article
Reichert, M., Winteler, C., Korobkin, O., Arcones, A., Bliss, J., Eichler, M., …Thielemann, F. (2023). The Nuclear Reaction Network WinNet. The Astrophysical Journal Supplement, 268(2), Article 66. https://doi.org/10.3847/1538-4365/acf033

We present the state-of-the-art single-zone nuclear reaction network WinNet, which is capable of calculating the nucleosynthetic yields of a large variety of astrophysical environments and conditions. This ranges from the calculation of the primordia... Read More about The Nuclear Reaction Network WinNet.

Ligands containing 7-azaindole functionality for inner-sphere hydrogen bonding: structural and photophysical investigations (2023)
Journal Article
Coles, A., Wood, O., & Hawes, C. (2023). Ligands containing 7-azaindole functionality for inner-sphere hydrogen bonding: structural and photophysical investigations. Journal of the Serbian Chemical Society, 88(12), 1223-1236. https://doi.org/10.2298/jsc230623061c

The synthesis, structural analysis and spectroscopic characterisation of three new 7-azaindole ligands is reported, alongside a novel 7-azaindole derived coordination polymer, with the aim of identifying new bridging ligands containing inner-sphere h... Read More about Ligands containing 7-azaindole functionality for inner-sphere hydrogen bonding: structural and photophysical investigations.

Reverse thiophosphorylase activity of a glycoside phosphorylase in the synthesis of an unnatural Manβ1,4GlcNAc library † (2023)
Journal Article
Keenan, T., Hatton, N. E., Porter, J., Vendeville, J., Wheatley, D. E., Ghirardello, M., …Fascione, M. A. (in press). Reverse thiophosphorylase activity of a glycoside phosphorylase in the synthesis of an unnatural Manβ1,4GlcNAc library †. Chemical Science, 14(42), 11638-11646. https://doi.org/10.1039/d3sc04169g

β-Mannosides are ubiquitous in nature, with diverse roles in many biological processes. Notably, Manβ1,4GlcNAc a constituent of the core N-glycan in eukaryotes was recently identified as an immune activator, highlighting its potential for use in immu... Read More about Reverse thiophosphorylase activity of a glycoside phosphorylase in the synthesis of an unnatural Manβ1,4GlcNAc library †.

Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY (2023)
Journal Article
Chitac, R. G., Zholobenko, V. L., Fletcher, R. S., Softley, E., Bradley, J., Mayoral, A., …Wright, P. A. (in press). Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY. Journal of the American Chemical Society, 145(40), 22097-22114. https://doi.org/10.1021/jacs.3c07873

The SWY-type aluminosilicate zeolite, STA-30, has been synthesized via different routes to understand its defect chemistry and solid acidity. The synthetic parameters varied were the gel aging, the Al source, and the organic structure directing agent... Read More about Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY.

A revised age greater than 50 Myr for the young cluster IC 4665 (2023)
Journal Article
Jeffries, R. D., Jackson, R. J., & Binks, A. S. (2023). A revised age greater than 50 Myr for the young cluster IC 4665. Monthly Notices of the Royal Astronomical Society, 526(1), 1260-1267. https://doi.org/10.1093/mnras/stad2845

IC 4665 is one of only a dozen young open clusters with a “lithium depletion boundary” (LDB) age. Using an astrometrically and spectroscopically filtered sample of cluster members, we show that both the positions of its low mass stars in Gaia absolut... Read More about A revised age greater than 50 Myr for the young cluster IC 4665.