19962020

Research output per year

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Research Outputs

2008

Binary central stars of planetary nebulae discovered through photometric variability. I. What we know and what we would like to find out

De Marco, O., Hillwig, T. C. & Smith, A. J., 1 Jul 2008, In : Astronomical Journal. 136, 1, p. 323-336 14 p.

Research output: Contribution to journalArticle

62 Citations (Scopus)

Serendipitous Chandra X-Ray detection of a hot bubble within the planetary nebula NGC 5315

Kastner, J. H., Montez, R., Balick, B. & De Marco, O., 10 Jan 2008, In : Astrophysical Journal. 672, 2, p. 957-961 5 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Spitzer Observations of Dust Around R Coronae Borealis Stars

Clayton, G. C., De Marco, O., Gordon, K. D., Nordhaus, J. T., Bond, H. E., Sugerman, B., Barlow, M. J., Lawson, W. & Pollacco, D., 2008, In : Bulletin of the American Astronomical Society. 39, p. 890-890 1 p.

Research output: Contribution to journalConference paper

The equatorial disk at the center of the planetary nebula CPD-568032

Chesneau, O., de Marco, O., Collioud, A., Rothkopf, A., Zijlstra, A., Wolf, S., Acker, A. & Clayton, G., 2008, The Power of Optical/IR Interferometry: Recent Scientific Results and 2nd Generation Instrumentation: Proceedings of the ESO Workshop held in Garching, Germany, 4-8 April 2005. Richichi, A., Delplancke, F., Paresce, F. & Chelli, A. (eds.). Berlin: Springer, Springer Nature, Vol. 2008. p. 491-492 2 p. (ESO Astrophysics Symposia; vol. 2008).

Research output: Chapter in Book/Report/Conference proceedingChapter

The hydrogen-deficient knot of the 'born-again' planetary nebula Abell 58 (V605 Aql)

Wesson, R., Barlow, M. J., Liu, X. W., Storey, P. J., Ercolano, B. & De Marco, O., Feb 2008, In : Monthly Notices of the Royal Astronomical Society. 383, 4, p. 1639-1648 10 p.

Research output: Contribution to journalArticle

41 Citations (Scopus)

Towards a spectral technique for determining material geometry around evolved stars: Application to HD 179821

Nordhaus, J., Minchev, I., Sargent, B., Forrest, W., Blackman, E. G., De Marco, O., Kastner, J., Balick, B. & Frank, A., Aug 2008, In : Monthly Notices of the Royal Astronomical Society. 388, 2, p. 716-722 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2007

[WC] and PG 1159 Central Stars of Planetary Nebulae: The Need for an Alternative to the Born-Again Scenario

De Marco, O., 2007, Proceedings of the Hydrogen-Deficient Stars ASP Conference Series. Klaus Werner & Thomas Rauch (eds.). San Francisco: Astronomical Society of the Pacific, Vol. 391. p. 209-219 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

A Grand Challenge for PNe

Frank, A., De Marco, O., Blackman, E. & Balick, B., 2007, Proceedings of Asymmetrical Planetary Nebulae IV. Corradi, R. L. M., Noam Soker & Manchado, A. (eds.). IAC, p. 659-664 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

An ancient nova shell around the dwarf nova Z Camelopardalis

Shara, M. M., Martin, C. D., Seibert, M., Rich, R. M., Salim, S., Reitzel, D., Schiminovich, D., Deliyannis, C. P., Sarrazine, A. R., Kulkarni, S. R., Ofek, E. O., Brosch, N., Lépine, S., Zurek, D., De Marco, O. & Jacoby, G., 8 Mar 2007, In : Nature. 446, 7132, p. 159-162 4 p.

Research output: Contribution to journalArticle

53 Citations (Scopus)

A Photometric Survey of Central Stars of PNe for Close Binaries

Hillwig, T., De Marco, O., Bond, H. E., Ciardullo, R. & Jacoby, G., 2007, Proceedings of Asymmetrical Planetary Nebulae IV. Corradi, R. L. M., Noam Soker & Manchado, A. (eds.). IAC, p. 541-546 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Future Directions

Balick, B., Mampaso, A., Blackman, E., Bujarrabal, V., De Marco, O., Guerrero, M., Soker, N., van Winckel, H. & Zijlstra, A., 2007, Proceedings of Asymmetrical Planetary Nebulae IV. Corradi, R. L. M., Noam Soker & Manchado, A. (eds.). IAC, p. 681-690 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

The Bizarre Spectral Variability of Central Stars of Planetary Nebulae

De Marco, O., Wortel, S., Bond, H. E. & Dianne, H., 2007, Proceedings of Asymmetrical Planetary Nebulae IV. Corradi, R. L. M., Noam Soker & Manchado, A. (eds.). IAC, p. 529-534 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

2006

A close look into the carbon disk at the core of the planetary nebula CPD-56°8032

Chesneau, O., Collioud, A., De Marco, O., Wolf, S., Lagadec, E., Zijlstra, A. A., Rothkopf, A., Acker, A., Clayton, G. C. & Lopez, B., Sep 2006, In : Astronomy and Astrophysics. 455, 3, p. 1009-1018 10 p.

Research output: Contribution to journalArticle

Open Access
File
38 Citations (Scopus)
2 Downloads (Pure)

Binary central stars

De Marco, O., Apr 2006, In : Proceedings of the International Astronomical Union. 2, 234, p. 111-118 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Cloud fragmentation and proplyd-like features in H II regions imaged by the Hubble Space Telescope 1

De Marco, O., O'Dell, C. R., Gelfond, P., Rubin, R. H. & Glover, S. C. O., May 2006, In : Astronomical Journal. 131, 5, p. 2580-2600 21 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Do all PNe come from binaries?

Moe, M. & De Marco, O., Apr 2006, In : Proceedings of the International Astronomical Union. 2, 234, p. 463-464 2 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
96 Citations (Scopus)

New insights on the complex planetary nebula Hen 2-113

Lagadec, E., Chesneau, O., Matsuura, M., De Marco, O., De Freitas Pacheco, J. A., Zijlstra, A. A., Acker, A., Clayton, G. C. & Lopez, B., Mar 2006, In : Astronomy and Astrophysics. 448, 1, p. 203-212 10 p.

Research output: Contribution to journalArticle

Open Access
File
25 Citations (Scopus)
1 Downloads (Pure)

V605 Aql: 80 years after the final helium shell flash

Clayton, G. C., Fedrow, J. M., Crowther, P. A., Kerber, F., Pirzkal, N. & De Marco, O., Apr 2006, In : Proceedings of the International Astronomical Union. 2, 234, p. 379-380 2 p.

Research output: Contribution to journalArticle

V605 aquilae: the older twin of Sakurai's object

Clayton, G. C., Kerber, F., Pirzkal, N., De Marco, O., Crowther, P. A. & Fedrow, J. M., 20 Jul 2006, In : Astrophysical Journal. 646, 1, p. L69-L72 4 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)
2005

A spectroscopic analysis of blue stragglers, horizontal branch stars, and turnoff stars in four globular clusters

De Marco, O., Shara, M. M., Zurek, D., Ouellette, J. A., Lanz, T., Saffer, R. A. & Sepinsky, J. F., 20 Oct 2005, In : Astrophysical Journal. 632, 2 I, p. 894-919 26 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Common envelope evolution through planetary nebula eyes

De Marco, O. & Moe, M., 28 Nov 2005, AIP Conference Proceedings: PLANETARY NEBULAE AS ASTRONOMICAL TOOLS: International Conference on Planetary Nebulae as Astronomical Tools. Issue 1 ed. Melville, NY: American Institute of Physics, Vol. 804. p. 169-172 4 p. CP804

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

17 Citations (Scopus)

Infrared high spatial resolution study of the PN hen 2-113

Lagadec, E., Chesneau, O., Matsuura, M., De Marco, O., De Freitas Pacheco, J. A., Zijlstra, A. A., Acker, A. & Clayton, G. C., 28 Nov 2005, Planetary nebulae as astronomical tools: international conference on planetary nebulae as astronomical tools. Szczebra, R., Stasińska, G. & Górny, S. K. (eds.). Issue 1 ed. Melville, NY: American Institute of Physics, Vol. 804. p. 210 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

The equatorial disk at the center of the PN CPD-568032

Chesneau, O., Collioud, A., De Marco, O., Lagadec, E., Zijlstra, A. A., Wolf, S., Acker, A. & Clayton, G. C., 28 Nov 2005, Planetary Nebulae as astronomical tools: International Conference on Planetary Nebulae as Astronomical Tools. Szczerba, R., Stasińska, G. & Górny, S. K. (eds.). Melville, NY: American Institute of Physics, p. 100-104 5 p. (AIP conference proceedings; vol. 804).

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

X-ray imaging of planetary nebulae with Wolf-Rayet-type central stars: Detection of the hot bubble in NGC 40

Montez, R., Kastner, J. H., De Marco, O. & Soker, N., 10 Dec 2005, In : Astrophysical Journal. 635, 1 I, p. 381-385 5 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)
2004

First evidence of circumstellar disks around blue straggler stars

De Marco, O., Lanz, T., Ouelleite, J. A., Zurek, D. & Shara, M. M., 10 May 2004, In : Astrophysical Journal. 606, 2, p. L151-L154 4 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Indications of a large fraction of spectroscopic binaries among nuclei of planetary nebulae

De Marco, O., Bond, H. E., Harmer, D. & Fleming, A. J., 20 Feb 2004, In : Astrophysical Journal. 602, 2, p. L93-L96 4 p.

Research output: Contribution to journalArticle

75 Citations (Scopus)

Observations and three-dimensional photoionization modelling of the wolf-Rayet planetary nebula NGC 1501

Ercolano, B., Wesson, R., Zhang, Y., Barlow, M. J., De Marco, O., Rauch, T. & Liu, X. W., 21 Oct 2004, In : Monthly Notices of the Royal Astronomical Society. 354, 2, p. 558-574 17 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)
2003

Of Wolf-Rayet central stars and common envelopes

De Marco, O., Sandquist, E. L., Mac Low, M. M., Herwig, F. & Taam, R. E., 2003, In : Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias. 15, p. 34-37 4 p.

Research output: Contribution to journalConference paper

3 Citations (Scopus)

Wolf-rayet central stars and the binary evolution channel

De Marco, O., Sandquist, E. L., Low, M. M. M., Herwig, F. & Taam, R. E., 2003, In : Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias. 18, p. 24-30 7 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)
2002

[WC] central stars of planetary nebula and the born-again phenomenon

De Marco, O., 2002, In : Astrophysics and Space Science. 279, 1-2, p. 157-166 10 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A new look at the evolution of Wolf-Rayet central stars of planetary nebulae

De Marco, O. & Sorer, N., 2002, In : Publications of the Astronomical Society of the Pacific. 114, 796, p. 602-611 10 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

A survey for very faint planetary nebulae in the SMC. I. Identification, confirmation, and preliminary analysis

Jacoby, G. H. & De Marco, O., Jan 2002, In : Astronomical Journal. 123, 1 1753, p. 269-278 10 p.

Research output: Contribution to journalReview article

69 Citations (Scopus)

Discovery of an edge-on dust disk around the [WC10] central star CPD -56°8032

De Marco, O., Barlow, M. J. & Cohen, M., 20 Jul 2002, In : Astrophysical Journal. 574, 1, p. L83-L86 4 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Freshly ionized matter around the final helium shell flash object V4334 sagittarii (Sakurai's object)

Kerber, F., Pirzkal, N., De Marco, O., Asplund, M., Clayton, G. C. & Rosa, M. R., 10 Dec 2002, In : Astrophysical Journal. 581, 1, p. L39–L42 4 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Revised stellar temperatures for magellanic cloud O supergiants from far ultraviolet spectroscopic explorer and very large telescope UV-visual echelle spectrograph spectroscopy

Crowther, P. A., Hillier, D. J., Evans, C. J., Fullerton, A. W., De Marco, O. & Willis, A. J., 10 Nov 2002, In : Astrophysical Journal. 579, 2 I, p. 774-799 26 p.

Research output: Contribution to journalArticle

136 Citations (Scopus)

What are the hot R coronae borealis stars?

De Marco, O., Clayton, G. C., Herwig, F., Pollacco, D. L., Clark, J. S. & Kilkenny, D., Jun 2002, In : Astronomical Journal. 123, 6 1758, p. 3387-3408 22 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)
2001

Abundances of [WC] central stars and their planetary nebulae

De Marco, O. & Barlow, M. J., 2001, In : Astrophysics and Space Science. 275, 1-2, p. 53-66 14 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

SwSt 1: An O-rich planetary nebula around a C-rich central star

De Marco, O., Crowther, P. A., Barlow, M. J., Clayton, G. C. & De Koter, A., 1 Dec 2001, In : Monthly Notices of the Royal Astronomical Society. 328, 2, p. 527-554 28 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)
2000

Far ultraviolet spectroscopic explorer observations of the stellar winds of two O7 supergiants in the magellanic clouds

Fullerton, A. W., Crowther, P. A., De Marco, O., Hutchings, J. B., Bianchi, L., Brownsberger, K. R., Massa, D. L., Morton, D. C., Rachford, B. L., Snow, T. P., Sonneborn, G., Tumlinson, J. & Willis, A. J., 20 Jul 2000, In : Astrophysical Journal. 538, 1, p. L43–L46 4 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Far Ultraviolet Spectroscopic Explorer spectroscopy of the O VI resonance doublet in sand 2 (WO)

Crowther, P. A., Fullerton, A. W., Hillier, D. J., Brownsberger, K., Dessart, L., Willis, A. J., De Marco, O., Barlow, M. J., Hutchings, J. B., Massa, D. L., Morton, D. C. & Sonneborn, G., 20 Jul 2000, In : Astrophysical Journal. 538, 1, p. L51–L55 5 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

The γ Velorum binary system - II. WR stellar parameters and the photon loss mechanism

De Marco, O., Schmutz, W., Crowther, P. A., Hillier, D. J., Dessart, L., De Koter, A. & Schweickhardt, J., 2000, In : Astronomy and Astrophysics. 358, 1, p. 187-200 14 p.

Research output: Contribution to journalArticle

53 Citations (Scopus)
1999

Long-term light curves for [WC] stars

Jones, A., Lawson, W., De Marco, O., Kilkenny, D., Van Wyk, F. & Roberts, G., Apr 1999, In : Observatory. 119, 1149, p. 76-80 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

M4-18: the planetary nebula and its WC10 central star

De Marco, O. & Crowther, P. A., 11 Jul 1999, In : Monthly Notices of the Royal Astronomical Society. 306, 4, p. 931-942 12 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

The γ Velorum binary system I. O star parameters and light ratio

De Marco, O. & Schmutz, W., 1999, In : Astronomy and Astrophysics. 345, 1, p. 163-171 9 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Wolf-Rayet nebulae as tracers of stellar ionizing fluxes: I. M1-67

Crowther, P. A., Pasquali, A., De Marco, O., Schmutz, W., Hillier, D. J. & De Koter, A., 1999, In : Astronomy and Astrophysics. 350, 3, p. 1007-1017 11 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)
1998

Quantitative classification of WC and WO stars

Crowther, P. A., De Marco, O. & Barlow, M. J., 11 May 1998, In : Monthly Notices of the Royal Astronomical Society. 296, 2, p. 367-378 12 p.

Research output: Contribution to journalArticle

166 Citations (Scopus)

The size and age of Sakurai's planetary nebula and the temperature of its central star

Jacoby, G. H., De Marco, O. & Sawyer, D. G., Sep 1998, In : Astronomical Journal. 116, 3, p. 1367-1375 9 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
30 Citations (Scopus)