Results 41 to 50 of about 399 (137)

Galactic planetary nebulae with Wolf-Rayet nuclei

, 2001
We present high resolution spectrophotometric data for a sample of 34 planetary nebulae with [WC] spectral type central stars (WRPNe) in our Galaxy. The observed objects cover a wide range in stellar characteristics: early and late [WC] type stars, as ...
M. Peña, S. Medina, G. Stasińska
core   +1 more source

An Inundated Indigenous Quarry Preserved in Apalachee Bay, Florida, USA

Geoarchaeology, Volume 41, Issue 2, March/April 2026.
ABSTRACT Recent investigations in Apalachee Bay, in the northeastern Gulf of Mexico, have focused on a suite of newly discovered raw material reduction localities, expanding the existing data set of archaeological sites in this renowned submerged landscape.
Morgan F. Smith
wiley   +1 more source

Planetary nebulae and how to find them: A concise review

, 2022
This review provides useful background and information on how we find, vet and compile Planetary Nebulae (PNe) candidates and verify them. It presents a summary of the known Galactic PNe population and their curation in the Hong Kong/AAO/Strasbourg/H ...
Parker, Quentin A.
core  

Euclid preparation. XXVII. A UV-NIR spectral atlas of compact planetary nebulae for wavelength calibration

, 2023
The Euclid mission will conduct an extragalactic survey over 15 000 deg2 of the extragalactic sky. The spectroscopic channel of the Near-Infrared Spectrometer and Photometer (NISP) has a resolution of R ~ 450 for its blue and red grisms that collectively
Baccigalupi, Carlo, Castignani, Gianluca, Lindholm, Valtteri, Markovic, Katarina, Medinaceli, Eduardo, Degaudenzi, Hubert, Pöntinen, Mikko, Frailis, Marco, Jahnke, Knud, Kiessling, Alina, Cavuoti, Stefano, Casas, Santiago, Kansal, Vanshika, Serrano, S., Martinelli, Matteo, Tereno, I., Castellano, Marco, Courtois, Helene, Kohley, R., Castander, Francisco Javier, Bodendorf, C., Giacomini, Francesco, Meylan, G., Mainetti, Gabriele, Colodro-Conde, C., Marggraf, Ole, Rix, Hans-Walter, Congedo, Giuseppe, Saglia, Roberto, Davini, Stefano, Lilje, Per, Brinchmann, Jarle, Potter, Douglas, Camera, Stefano, Kuemmel, Martin, Sirignano, Chiara, Monaco, Pierluigi, Franceschi, Enrico, Maoli, Roberto, Capobianco, Vito, Hornstrup, Allan, Dinis, João, Tenti, Matteo, Hook, Isobel, Gillard, William, Gozaliasl, Ghassem, Vassallo, Thomas, Kajava, Jari Juha Eemeli, Romelli, Erik, Burigana, Carlo, Maino, D., Castro, Tiago, Sanchez, Ariel G., Giocoli, Carlo, Morgante, G., Wang, Yun, Rhodes, Jason, Weller, Jochen, Carvalho, C.S., Chambers, Kenneth, Metcalf, Robert Benton, Seidel, Gregor, Garcia-Bellido, Juan, Veropalumbo, Alfonso, Guzzo, Luigi, Dupac, X., Marcin, S., Steinwagner, J., Valiviita, Jussi, Tutusaus, Isaac, Schneider, Aurel, Escoffier, Stephanie, Valenziano, Luca, Secroun, Aurélia, Loureiro, Arthur, Di Ferdinando, Donato, Bardelli, Sandro, Altieri, Bruno, Massey, Richard, Patrizii, Laura, Poncet, M., Maurin, Loïc, Riccio, G., Escartin, J.A., Laureijs, R., Cooray, Asantha, Raison, Frederic, Valieri, Claudia, Porciani, Cristiano, Amaro Parente Martins, Carlos José, Gutiérrez Soto, L.A., Mansutti, Oriana, Amara, Adam, Lloro, I., Akrami, Yashar, Cabanac, Rémi, Scodeggio, M., Nutma, Teake, Pedersen, K., Kilbinger, Martin, Meneghetti, Massimo, Farina, M., Magliocchetti, Manuela, Andreon, Stefano, Brescia, Massimo, Moresco, Michele Ennio Maria, Gillis, Bryan, Matthew, S., Corcione, Leonardo, Desprez, G., Taylor, A.N., Douspis, Marian, Skottfelt, Jesper, Branchini, Enzo, Paltani, Stéphane, Pasian, Fabio, Fumana, Marco, Kitching, Thomas, Conselice, Christopher, Carretero, Jorge, Pollack, J.E., Stanco, Luca, da Silva, Antonio, Ferriol, S., Schirmer, Mischa, Biviano, Andrea, De Lucia, Gabriella, Sefusatti, Emiliano, Bender, Ralf, Hoekstra, Henk, Martinet, Nicolas, Shulevski, Aleksandar, Maiorano, Elisabetta, Cledassou, Rodolphe, Scottez, V., Marulli, Federico, Roncarelli, Mauro, Tallada Crespí, Pau, Hudelot, P., Carbone, Carmelita, Bonino, Donata, Garilli, Bianca, Cuillandre, J.-C., Serrano Borlaff, Alejandro, Toledo-Moreo, Rafael, Graciá-Carpio, J., Moscardini, Lauro, Mei, Simona, Courbin, Frederic, Zucca, E., Polenta, Gianluca, Ballardini, Mario, Niemi, S.-M., Ligori, Sebastiano, Grazian, Andrea, Kirkpatrick, C.C., Hildebrandt, Hendrik, Zinchenko, I.A., Aghanim, Nabila, Percival, Will, Keihänen, Elina, Mauri, Nicoletta, Zamorani, G., Grupp, F., Conversi, Luca, Stadel, Joachim Gerhard, Bozzo, Enrico, Padilla, Cristobal, Torradeflot, Francesc d'Assís, Kubik, Bogna, Ferrero, Ismael, Nightingale, James, Gabarra, Louis, Kurki-Suonio, Hannu, Stanghellini, L., Cappi, A., Renzi, Alessandro, Zoubian, J., Mellier, Y., Schneider, Peter, Coupon, J., Kunz, Martin, Viel, Matteo, Sartoris, Barbara, Appleton, P.N., Baldi, Marco, Dubath, Florian, George, K., Holmes, W., Rossetti, Emanuel, Sakr, Ziad, Sereno, Mauro, Cimatti, Andrea, Copin, Yannick, Legrand, Louis, Popa, L.A., Sirri, Gabriele, Auricchio, Natalia, Haugan, Stein Vidar Hagfors, Galeotta, Samuele, Nadathur, Seshadri, Nakajima, R., Paterson, Kerry   +202 more
core   +1 more source

A survey for PAH emission in H II regions, planetary and proto-planetary nebulae

, 1989
The results of a systematic investigation of polycyclic aromatic hydrocarbon (PAH) emission in H II regions, planetary nebulae (PN), and proto-planetary nebulae (PNN), are reported. Data is obtained from the low resolution spectra (LRS) of IRAS.
Cox, P., Demuizon, M., Lequeux, J.
core  

Planetary Nebulae and How to find them: A Review

, 2020
Premise: This report is intended to provide useful background and information on how we find detect and compile Planetary Nebulae PNe candidates and then verify them.
Parker, Quentin A
core  

3-D ionization structure (in stereoscopic view) of planetary nebulae: the case of NGC 1501

, 2001
Long-slit echellograms of the high excitation planetary nebula NGC 1501, reduced according to the methodology developed by Sabbadin et al. (2000a,b), allowed us to obtain the "true"distribution of the ionized gas in the eight nebular slices covered by ...
S. Benetti, E. Cappellaro, F. Sabbadin, R. Ragazzoni, M. Turatto   +4 more
core   +1 more source

Algebraic 3D reconstruction of planetary nebulae

, 2009
Distant astrophysical objects like planetary nebulae can normally only be observed from a single point of view. Assuming a cylindrically symmetric geometry, one can nevertheless create 3D models of those objects using tomographic methods.
Magnor, Marcus, Fernández, Juan Aja, Wenger, Stephan, Morisset, Christopher   +3 more
core  

The gas turbulence in planetary nebulae: quantification and multi-D maps from long-slit, wide-spectral range echellograms

, 2008
Context. This methodological paper is part of a short series dedicated to the long-standing astronomical problem of de-projecting the bi-dimensional, apparent morphology of a three-dimensional distribution of gas. Aims.
S. Benetti, F. Sabbadin, E. Cappellaro, R. Ragazzoni, M. Turatto   +4 more
core   +1 more source

Lawnmower Poetry and the Poetry of Lawnmowers

Critical Quarterly, Volume 68, Issue 1, Page 4-42, April 2026.
Francesca Gardner
wiley   +1 more source