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51

Spectroscopy and Photometry of Companion Stars 2 and 3 to Supernova 1987A

Nolan R. Walborn, Mark M. Phillips, Alistair R. Walker and Jonathan H. Elias

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1993

File:

PDF, 1.10 MB

1993

52

THE PROFILE OF He i λ5876 IN THE P-CYGNI-TYPE Of STAR HD 152408

NOLAN R. WALBORN

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1975

File:

PDF, 304 KB

1975

53

A Period and a Prediction for the Of?p Spectrum Alternator HD 191612

Walborn, Nolan R., Howarth, Ian D., Rauw, Gregor, Lennon, Daniel J., Bond, Howard E., Negueruela, Ignacio, Nazé, Yaël, Corcoran, Michael F., Herrero, Artemio, Pellerin, Anne

Journal:

The Astrophysical Journal

Year:

2004

Language:

english

File:

PDF, 161 KB

english, 2004

54

The changing UV and X-ray properties of the Of?p star CPD −28°2561

Nazé, Yaël, Sundqvist, Jon O., Fullerton, Alex W., ud-Doula, Asif, Wade, Gregg A., Rauw, Gregor, Walborn, Nolan R.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2015

Language:

english

File:

PDF, 1.94 MB

english, 2015

55

Spectroscopy and Photometry of Companion Stars 2 and 3 to Supernova 1987A

Nolan R. Walborn, Mark M. Phillips, Alistair R. Walker and Jonathan H. Elias

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1993

Language:

english

File:

PDF, 1.10 MB

english, 1993

56

THE PROFILE OF He i λ5876 IN THE P-CYGNI-TYPE Of STAR HD 152408

NOLAN R. WALBORN

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1975

Language:

english

File:

PDF, 304 KB

english, 1975

57

Pismis 24‐1: The Stellar Upper Mass Limit Preserved

Maiz Apellaniz, J., Walborn, Nolan R., Morrell, N. I., Niemela, V. S., Nelan, E. P.

Journal:

The Astrophysical Journal

Year:

2007

Language:

english

File:

PDF, 311 KB

english, 2007

58

A Three-Decade Outburst of the LMC Luminous Blue Variable R127 Draws to a Close

Walborn, Nolan R., Stahl, Otmar, Gamen, Roberto C., Szeifert, Thomas, Morrell, Nidia I., Smith, Nathan, Howarth, Ian D., Humphreys, Roberta M., Bond, Howard E., Lennon, Daniel J.

Journal:

The Astrophysical Journal

Year:

2008

Language:

english

File:

PDF, 203 KB

english, 2008

59

Resolving OB Systems in the Carina Nebula with the Hubble Space Telescope Fine Guidance Sensor

Nelan, Edmund P., Walborn, Nolan R., Wallace, Debra J., Moffat, Anthony F. J., Makidon, Russell B., Gies, Douglas R., Panagia, Nino

Journal:

The Astronomical Journal

Year:

2004

Language:

english

File:

PDF, 193 KB

english, 2004

60

A Galactic O Star Catalog

Maiz‐Apellaniz, Jesus, Walborn, Nolan R., Galue, Hector A., Wei, Lisa H.

Journal:

The Astrophysical Journal Supplement Series

Year:

2004

Language:

english

File:

PDF, 1.51 MB

english, 2004

61

NEW LUMINOUS ON SPECTRA FROM THE GALACTIC O-STAR SPECTROSCOPIC SURVEY

Walborn, Nolan R., Morrell, Nidia I., Barbá, Rodolfo H., Sota, Alfredo

Journal:

The Astronomical Journal

Year:

2016

Language:

english

File:

PDF, 428 KB

english, 2016

62

SPECTRAL VARIATIONS OF Of?p OBLIQUE MAGNETIC ROTATOR CANDIDATES IN THE MAGELLANIC CLOUDS

Walborn, Nolan R., Morrell, Nidia I., Nazé, Yaël, Wade, Gregg A., Bagnulo, Stefano, Barbá, Rodolfo H., Apellániz, Jesús Maíz, Howarth, Ian D., Evans, Christopher J., Sota, Alfredo

Journal:

The Astronomical Journal

Year:

2015

Language:

english

File:

PDF, 1.88 MB

english, 2015

63

SPECTRAL CLASSIFICATION AND PROPERTIES OF THE O Vz STARS IN THE GALACTIC O-STAR SPECTROSCOPIC SURVEY (GOSSS)

Arias, Julia I., Walborn, Nolan R., Díaz, Sergio Simón, Barbá, Rodolfo H., Apellániz, Jesús Maíz, Sabín-Sanjulián, Carolina, Gamen, Roberto C., Morrell, Nidia I., Sota, Alfredo, Marco, Amparo, Negueru

Journal:

The Astronomical Journal

Year:

2016

Language:

english

File:

PDF, 8.61 MB

english, 2016

64

On the Absolute Magnitudes of the O Stars

Walborn, Nolan R.

Journal:

The Astronomical Journal

Year:

2002

Language:

english

File:

PDF, 95 KB

english, 2002

65

Further Insights into the Structure of 30 Doradus from the [ITAL]Hubble Space Telescope[/ITAL] Instruments

Walborn, Nolan R., Maíz-Apellániz, Jesús, Barbá, Rodolfo H.

Journal:

The Astronomical Journal

Year:

2002

Language:

english

File:

PDF, 2.09 MB

english, 2002

66

Ultraviolet Spectral Morphology of the Stellar Core of η Carinae

Ebbets, Dennis C., Walborn, Nolan R., Parker, Joel Wm.

Journal:

The Astrophysical Journal

Year:

1997

Language:

english

File:

PDF, 140 KB

english, 1997

67

[ITAL]HUBBLE SPACE TELESCOPE[/ITAL][ITAL]Hubble Space Telescope[/ITAL] STIS Observations of the Wolf-Rayet Star HD 5980 in the Small Magellanic Cloud. II. The Interstellar Medium Components

Koenigsberger, Gloria, Georgiev, Leonid, Peimbert, Manuel, Walborn, Nolan R., Barbá, Rodolfo, Niemela, Virpi S., Morrell, Nidia, Tsvetanov, Zlatan, Schulte-Ladbeck, Regina

Journal:

The Astronomical Journal

Year:

2001

Language:

english

File:

PDF, 293 KB

english, 2001

68

A New Spectral Classification System for the Earliest O Stars: Definition of Type O2

Walborn, Nolan R., Howarth, Ian D., Lennon, Daniel J., Massey, Philip, Oey, M. S., Moffat, Anthony F. J., Skalkowski, Gwen, Morrell, Nidia I., Drissen, Laurent, Parker, Joel Wm.

Journal:

The Astronomical Journal

Year:

2002

Language:

english

File:

PDF, 801 KB

english, 2002

69

An Atlas of Galactic OB Spectra Observed with the Far Ultraviolet Spectroscopic Explorer

Pellerin, Anne, Fullerton, Alex W., Robert, Carmelle, Howk, J. Christopher, Hutchings, John B., Walborn, Nolan R., Bianchi, Luciana, Crowther, Paul A., Sonneborn, George

Journal:

The Astrophysical Journal Supplement Series

Year:

2002

Language:

english

File:

PDF, 4.19 MB

english, 2002

70

Hubble Space Telescope Observations of the Luminous Blue Variable/W‐R Eclipsing Binary System HD 5980

Koenigsberger, Gloria, Georgiev, Leonid, Barba, Rodolfo, Tzvetanov, Zlatan, Walborn, Nolan R., Niemela, Virpi S., Morrell, Nidia, Schulte‐Ladbeck, Regina

Journal:

The Astrophysical Journal

Year:

2000

Language:

english

File:

PDF, 1.32 MB

english, 2000

71

The Remarkable Alternating Spectra of the Of?p Star HD 191612

Walborn, Nolan R., Howarth, Ian D., Herrero, Artemio, Lennon, Daniel J.

Journal:

The Astrophysical Journal

Year:

2003

Language:

english

File:

PDF, 388 KB

english, 2003

72

BROAD BALMER WINGS IN BA HYPER/SUPERGIANTS DISTORTED BY DIFFUSE INTERSTELLAR BANDS: FIVE EXAMPLES IN THE 30 DORADUS REGION FROM THE VLT-FLAMES TARANTULA SURVEY

Walborn, Nolan R., Sana, Hugues, Evans, Christopher J., Taylor, William D., Sabbi, Elena, Barbá, Rodolfo H., Morrell, Nidia I., Apellániz, Jesús Maíz, Sota, Alfredo, Dufton, Philip L., McEvoy, Catheri

Journal:

The Astrophysical Journal

Year:

2015

Language:

english

File:

PDF, 854 KB

english, 2015

73

ON THE MULTIPLICITY OF THE ZERO-AGE MAIN-SEQUENCE O STAR HERSCHEL 36

Arias, Julia I., Barbá, Rodolfo H., Gamen, Roberto C., Morrell, Nidia I., Apellániz, Jesús Maíz, Alfaro, Emilio J., Sota, Alfredo, Walborn, Nolan R., Bidin, Christian Moni

Journal:

The Astrophysical Journal

Year:

2010

Language:

english

File:

PDF, 310 KB

english, 2010

74

A SEA CHANGE IN ETA CARINAE ,

Mehner, Andrea, Davidson, Kris, Humphreys, Roberta M., Martin, John C., Ishibashi, Kazunori, Ferland, Gary J., Walborn, Nolan R.

Journal:

The Astrophysical Journal

Year:

2010

Language:

english

File:

PDF, 206 KB

english, 2010

75

Active Luminous Blue Variables in the Large Magellanic Cloud

Walborn, Nolan R., Gamen, Roberto C., Morrell, Nidia I., Barbá, Rodolfo H., Lajús, Eduardo Fernández, Angeloni, Rodolfo

Journal:

The Astronomical Journal

Year:

2017

Language:

english

File:

PDF, 4.50 MB

english, 2017

76

Cost of astronomy in Chile

Woltjer, L., Koornneef, Jan, Walborn, Nolan R.

Journal:

Year:

1984

Language:

english

File:

PDF, 902 KB

english, 1984

77

HIGH-RESOLUTION X-RAY SPECTROSCOPY OF THE MAGNETIC Of?p STAR HD 148937

Nazé, Yaël, Zhekov, Svetozar A., Walborn, Nolan R.

Journal:

The Astrophysical Journal

Year:

2012

Language:

english

File:

PDF, 484 KB

english, 2012

78

HST Astrometry in the 30 Doradus Region. II. Runaway Stars from New Proper Motions in the Large Magellanic Cloud

Platais, Imants, Lennon, Daniel J., van der Marel, Roeland P., Bellini, Andrea, Sabbi, Elena, Watkins, Laura L., Sohn, Sangmo T., Walborn, Nolan R., Bedin, Luigi R., Evans, Christopher J., de Mink, Se

Journal:

The Astronomical Journal

Year:

2018

Language:

english

File:

PDF, 878 KB

english, 2018

79

Contemporary optical spectral classification of the OB stars - A digital atlas

Walborn, Nolan R., Fitzpatrick, Edward L.

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1990

Language:

english

File:

PDF, 1.37 MB

english, 1990

80

NGC 2070 and NGC 3603

Chu, You-Hua, Seitzer, Patrick, Walborn, Nolan

Journal:

Symposium - International Astronomical Union

Year:

1986

Language:

english

File:

PDF, 326 KB

english, 1986

81

NGC 2070 and NGC 3603

Chu, You-Hua, Seitzer, Patrick, Walborn, Nolan

Journal:

Symposium - International Astronomical Union

Year:

1986

Language:

english

File:

PDF, 326 KB

english, 1986

82

An HST View of 30 Doradus

Maíz-Apellániz, Jesús, Walborn, Nolan R., H. Barbá, Rodolfo

Journal:

Symposium - International Astronomical Union

Year:

2002

Language:

english

File:

PDF, 2.52 MB

english, 2002

83

The Science Program of the Hubble Space Telescope

Walborn, Nolan R.

Journal:

Highlights of Astronomy

Year:

1992

Language:

english

File:

PDF, 170 KB

english, 1992

84

NGC 2070 and NGC 3603

Chu, You-Hua, Seitzer, Patrick, Walborn, Nolan

Journal:

Symposium - International Astronomical Union

Year:

1986

File:

PDF, 326 KB

1986

85

NGC 2070 and NGC 3603

Chu, You-Hua, Seitzer, Patrick, Walborn, Nolan

Journal:

Symposium - International Astronomical Union

Year:

1986

File:

PDF, 326 KB

1986

86

An HST View of 30 Doradus

Maíz-Apellániz, Jesús, Walborn, Nolan R., H. Barbá, Rodolfo

Journal:

Symposium - International Astronomical Union

Year:

2002

File:

PDF, 2.52 MB

2002

87

An Unstable Ofpe Star in the LMC

Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

1984

File:

PDF, 410 KB

1984

88

The Stellar Content of 30 Doradus

Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

1984

File:

PDF, 2.83 MB

1984

89

The New 30 Doradus

Walborn, Nolan R., Barbá, Rodolfo H.

Journal:

Symposium - International Astronomical Union

Year:

1999

File:

PDF, 1.71 MB

1999

90

HST/NICMOS Survey in the 30 Doradus Nebular Filaments

Barbá, Rodolfo H., Walborn, Nolan R., Brandner, Wolfgang, Probst, Ronald G., Rubio, Mónica, Grebel, Eva K.

Journal:

Symposium - International Astronomical Union

Year:

1999

File:

PDF, 681 KB

1999

91

HST/WFPC2 Photometry in the 30 Doradus Nebula Beyond R136

Barbá, Rodolfo H., Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

1999

File:

PDF, 319 KB

1999

92

Some Progress and Problems in the Upper Left of the HR Diagram

Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

1978

File:

PDF, 1023 KB

1978

93

Ultraviolet spectral morphology of on and OC stars

Walborn, Nolan R., Panek, Robert J.

Journal:

Symposium - International Astronomical Union

Year:

1984

File:

PDF, 664 KB

1984

94

New Observations of LBV Environments

Walborn, Nolan R., Evans, Ian N., Fitzpatrick, Edward L., Phillips, Mark M.

Journal:

Symposium - International Astronomical Union

Year:

1991

File:

PDF, 2.17 MB

1991

95

Optical and Ultraviolet Spectral Morphology of Luminous OB Stars in the Galaxy and the Magellanic Clouds

Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

1986

File:

PDF, 1.61 MB

1986

96

FUSE far-ultraviolet spectroscopy of Wolf-Rayet stars

Willis, Allan J., Crowther, Paul A., Hutchings, John B., Fullerton, Alexander W., Brownsberger, Kenneth R., Massa, Derck L., Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

2003

File:

PDF, 254 KB

2003

97

HST-FOS spatially resolved spectral classification of compact WR/Of+OB groups in the LMC

Walborn, Nolan R., Drissen, Laurent, Parker, Joel Wm., Saha, Abhijit

Journal:

Symposium - International Astronomical Union

Year:

1999

File:

PDF, 240 KB

1999

98

A spectroscopic, photometric, and astrometric Galactic O-type star database

Maíz-Apellániz, Jesús, Walborn, Nolan R.

Journal:

Symposium - International Astronomical Union

Year:

2003

File:

PDF, 269 KB

2003

99

HST-NICMOS observations of extensive triggered star formation within the 30 Doradus Nebula

Walborn, Nolan R., Barbá, Rodolfo H.

Journal:

Symposium - International Astronomical Union

Year:

1999

File:

PDF, 787 KB

1999

100

The Composite Image of Sanduleak −69° 202, Candidate Precursor to SN 1987A in the LMC

Walborn, Nolan R., Lasker, Barry M., Laidler, Victoria G., Chu, You-Hua

Journal:

International Astronomical Union Colloquium

Year:

1988

File:

PDF, 503 KB

1988