Center for Astrostatistics

  • United States

Research Output 1974 2019

Filter
Article
2001
200 Citations (Scopus)

The Chandra deep survey of the Hubble Deep Field-North area. II. Results from the Caltech Faint Field Galaxy Redshift Survey area

Hornschemeier, A. E., Brandt, W. N., Garmire, G. P., Schneider, D. P., Barger, A. J., Broos, P. S., Cowie, L. L., Townsley, L. K., Bautz, M. W., Burrows, D. N., Chartas, G., Feigelson, E. D., Griffiths, R. E., Lumb, D., Nousek, J. A., Ramsey, L. W. & Sargent, W. L. W., Jun 20 2001, In : Astrophysical Journal. 554, 2 PART 1, p. 742-777 36 p.

Research output: Contribution to journal › Article

galaxies
x rays
active galactic nuclei
erg
radio
97 Citations (Scopus)

The Chandra deep survey of the Hubble Deep Field North area. IV. An ultradeep image of the HDF-N

Brandt, W. N., Hornschemeier, A. E., Alexander, D. M., Garmire, G. P., Schneider, D. P., Broos, P. S., Townsley, L. K., Bautz, M. W., Feigelson, E. D. & Griffiths, R. E., Jul 1 2001, In : Astronomical Journal. 122, 1, p. 1-20 20 p.

Research output: Contribution to journal › Article

x rays
spiral galaxies
active galactic nuclei
galaxies
luminosity
63 Citations (Scopus)

The η Chamaeleontis cluster: Photometric study of the ROSAT-detected weak-lined T Tauri stars

Lawson, W. A., Crause, L. A., Mamajek, E. E. & Feigelson, E., Feb 11 2001, In : Monthly Notices of the Royal Astronomical Society. 321, 1, p. 57-66 10 p.

Research output: Contribution to journal › Article

T Tauri stars
stars
x rays
starspots
Hertzsprung-Russell diagram
2000
155 Citations (Scopus)

Chandra discovery of a 100 kiloparsec X-ray jet in PKS 0637-752

Schwartz, D. A., Marshall, H. L., Lovell, J. E. J., Piner, B. G., Tingay, S. J., Birkinshaw, M., Chartas, G., Elvis, M., Feigelson, E., Ghosh, K. K., Harris, D. E., Hirabayashi, H., Hooper, E. J., Jauncey, D. L., Lanzetta, K. M., Mathur, S., Preston, R. A., Tucker, W. H., Virani, S., Wilkes, B. & 1 others, Worrall, D. M., Sep 10 2000, In : Astrophysical Journal. 540, 2 PART 2

Research output: Contribution to journal › Article

x rays
radio
quasars
observatories
synchrotrons
96 Citations (Scopus)

Chandra X-ray observatory study of the Orion Nebula cluster and BN/KL region

Garmire, G., Feigelson, E., Broos, P. S., Hillenbrand, L. A., Pravdo, S. H., Townsley, L. K. & Tsuboi, Y., Sep 1 2000, In : Astronomical Journal. 120, 3, p. 1426-1435 10 p.

Research output: Contribution to journal › Article

Orion nebula
observatories
observatory
pre-main sequence stars
x rays
100 Citations (Scopus)

Hot plasma and black hole binaries in starburst galaxy M82

Griffiths, R. E., Ptak, A., Feigelson, E., Garmire, G., Townsley, L. K., Brandt, W. N., Sambruna, R. & Bregman, J. N., Nov 17 2000, In : Science. 290, 5495, p. 1325-1328 4 p.

Research output: Contribution to journal › Article

Galaxies
X-Rays
Explosions
Equipment and Supplies
Temperature
245 Citations (Scopus)

Secular evolution of hierarchical triple star systems

Ford, E. B., Kozinsky, B. & Rasio, F. A., May 20 2000, In : Astrophysical Journal. 535, 1 PART 1, p. 385-401 17 p.

Research output: Contribution to journal › Article

triple stars
inclination
eccentricity
perturbation
quadrupoles
42 Citations (Scopus)

Theoretical implications of the PSR B1620-26 triple system and its planet

Ford, E. B., Joshi, K. J., Rasio, F. A. & Zbarsky, B., Jan 1 2000, In : Astrophysical Journal. 528, 1 PART 1, p. 336-350 15 p.

Research output: Contribution to journal › Article

planets
planet
eccentricity
pulsars
orbitals
83 Citations (Scopus)

The η chamaeleontis cluster: Origin in the sco-cen ob association

Mamajek, E. E., Lawson, W. A. & Feigelson, E., Nov 20 2000, In : Astrophysical Journal. 544, 1 PART 1, p. 356-374 19 p.

Research output: Contribution to journal › Article

pre-main sequence stars
molecular clouds
x rays
luminosity
stars
42 Citations (Scopus)

X-rays and regions of star formation: A combined ROSAT-HRI/near-to-mid IR study of the p Oph dark cloud

Grosso, N., Montmerle, T., Bontemps, S., André, P. & Feigelson, E. D., Dec 1 2000, In : Astronomy and Astrophysics. 359, 1, p. 113-130 18 p.

Research output: Contribution to journal › Article

star formation
T Tauri stars
x rays
stars
luminosity
86 Citations (Scopus)

X-ray sources in the Hubble Deep Field detected by Chandra

Hornschemeier, A. E., Brandt, W. N., Garmire, G. P., Schneider, D. P., Broos, P. S., Townsley, L. K., Bautz, M. W., Burrows, D. N., Chartas, G., Feigelson, E., Griffiths, R., Lumb, D., Nousek, J. A. & Sargent, W. L. W., Sep 20 2000, In : Astrophysical Journal. 541, 1 PART 1, p. 49-53 5 p.

Research output: Contribution to journal › Article

x rays
imaging spectrometers
spiral galaxies
active galactic nuclei
charge coupled devices
1999
12 Citations (Scopus)

A Radio Survey of Older T Tauri Stars in the rj Chamaeleontis Cluster

Mamajek, E. E., Lawson, W. A. & Feigelson, E. D., Jan 1 1999, In : Publications of the Astronomical Society of Australia. 16, 3, p. 257-261 5 p.

Research output: Contribution to journal › Article

T Tauri stars
radio
stars
radio emission
G stars
490 Citations (Scopus)

High-energy processes in young stellar objects

Feigelson, E. & Montmerle, T., Jan 1 1999, In : Annual Review of Astronomy and Astrophysics. 37, 1, p. 363-408 46 p.

Research output: Contribution to journal › Article

chondrule
astrophysics
stars
meteorite
flares
7 Citations (Scopus)

Radio-loud ROSAT sources near the North Ecliptic Pole

Brinkmann, W., Chester, M., Kollgaard, R., Feigelson, E., Voges, W. & Hertz, P., Jan 2 1999, In : Astronomy and Astrophysics Supplement Series. 134, 2, p. 221-240 20 p.

Research output: Contribution to journal › Article

ecliptic
poles
radio
radio galaxies
quasars
23 Citations (Scopus)

Robust one-way ANOVA under possibly non-regular conditions

Babu, G. J., Padmanabhan, A. R. & Puri, M. L., Jan 1 1999, In : Biometrical Journal. 41, 3, p. 321-339 19 p.

Research output: Contribution to journal › Article

Analysis of Variance
Analysis of variance
7 Citations (Scopus)

Second-order correctness of the Poisson bootstrap

Babu, G. J., Pathak, P. K. & Rao, C. R., Oct 1 1999, In : Annals of Statistics. 27, 5, p. 1666-1683 18 p.

Research output: Contribution to journal › Article

Bootstrap
Correctness
Siméon Denis Poisson
Resampling
Poisson distribution
61 Citations (Scopus)

Structure and evolution of nearby stars with planets. I. Short-period systems

Ford, E. B., Rasio, F. A. & Sills, A., Mar 20 1999, In : Astrophysical Journal. 514, 1 PART 1, p. 411-429 19 p.

Research output: Contribution to journal › Article

metallicity
planets
planet
planetary mass
stars
116 Citations (Scopus)

The RGB sample of intermediate BL lacertae objects

Laurent-Muehleisen, S. A., Kollgaard, R. I., Feigelson, E., Brinkmann, W. & Siebert, J., Nov 1 1999, In : Astrophysical Journal. 525, 1 PART 1, p. 127-143 17 p.

Research output: Contribution to journal › Article

BL Lacertae objects
energy
radio
spectral energy distribution
prediction
131 Citations (Scopus)

The η Chamaeleontis cluster: A remarkable new nearby young open cluster

Mamajek, E. E., Lawson, W. A. & Feigelson, E., May 10 1999, In : Astrophysical Journal. 516, 2 PART 2

Research output: Contribution to journal › Article

open clusters
stars
T Tauri stars
astrometry
proper motion
1998
31 Citations (Scopus)

An X-ray survey of very young stellar objects

Carkner, L., Kozak, J. A. & Feigelson, E., Jan 1 1998, In : Astronomical Journal. 116, 4, p. 1933-1939 7 p.

Research output: Contribution to journal › Article

protostars
x rays
erg
outflow
luminosity
46 Citations (Scopus)

Circularly polarized radio emission from an X-ray protostar

Feigelson, E., Carkner, L. & Wilking, B. A., Jan 1 1998, In : Astrophysical Journal. 494, 2 PART II

Research output: Contribution to journal › Article

Indian spacecraft
protostars
radio emission
radio
solar nebula
83 Citations (Scopus)

Radio-loud active galaxies in the northern Rosat all-sky survey. III. New spectroscopic identifications from the rass-green bank BL lacertae survey

Laurent-Muehleisen, S. A., Kollgaard, R. I., Ciardullo, R., Feigelson, E. D., Brinkmann, W. & Siebert, J., Sep 1 1998, In : Astrophysical Journal, Supplement Series. 118, 1, p. 127-175 49 p.

Research output: Contribution to journal › Article

active galaxies
radio galaxies
radio
galaxies
quasars
197 Citations (Scopus)

Three types of gamma-ray bursts

Mukherjee, S., Feigelson, E., Babu, G. J., Murtagh, F., Fralev, C. & Raftery, A., Jan 1 1998, In : Astrophysical Journal. 508, 1 PART I, p. 314-327 14 p.

Research output: Contribution to journal › Article

gamma ray bursts
multivariate analysis
bursts
outlier
variance analysis
26 Citations (Scopus)

X-rays and star formation: ROSAT observations of the Monoceros and Rosette molecular clouds

Gregorio-Hetem, J., Montmerle, T., Casanova, S. & Feigelson, E., Mar 1 1998, In : Astronomy and Astrophysics. 331, 1, p. 193-210 18 p.

Research output: Contribution to journal › Article

molecular clouds
star formation
x rays
stars
star clusters
1997
85 Citations (Scopus)

An X-ray superflare from an infrared protostar

Grosso, N., Montmerle, T., Feigelson, E., André, P., Casanova, S. & Gregorio-Hetem, J., May 1 1997, In : Nature. 387, 6628, p. 56-58 3 p.

Research output: Contribution to journal › Article

protostars
stars
luminosity
x rays
accretion disks
11 Citations (Scopus)

On "a new stellar nursery in the southern cross" [Astron. J., 112, 693 (1996)]

Feigelson, E. D. & Lawson, W. A., Jun 1997, In : Astronomical Journal. 113, 6, p. 2130-2133 4 p.

Research output: Contribution to journal › Article

T Tauri stars
population type
stars
lithium
star distribution
19 Citations (Scopus)

Radio emission from ROSAT-discovered young stars in and around taurus-auriga

Carkner, L., Mamajek, E., Feigelson, E., Neuhäuser, R., Wichmann, R. & Krautter, J., Jan 1 1997, In : Astrophysical Journal. 490, 2 PART I, p. 735-743 9 p.

Research output: Contribution to journal › Article

radio emission
radio
stars
erg
lithium
61 Citations (Scopus)

Radio-loud active galaxies in the northern ROSAT All-Sky Survey: II. Multi-frequency properties of unidentified sources

Brinkmann, W., Siebert, J., Feigelson, E., Kollgaard, R. I., Laurent-Muehleisen, S. A., Reich, W., Fürst, E., Reich, P., Voges, W., Trümper, J. & McMahon, R., Jul 20 1997, In : Astronomy and Astrophysics. 323, 3, p. 739-748 10 p.

Research output: Contribution to journal › Article

active galaxies
radio galaxies
radio
x rays
northern sky
1996
91 Citations (Scopus)

An improved HR diagram for Chamaeleon I pre-main-sequence stars

Lawson, W. A., Feigelson, E. & Huenemoerder, D. P., Dec 1 1996, In : Monthly Notices of the Royal Astronomical Society. 280, 4, p. 1071-1088 18 p.

Research output: Contribution to journal › Article

Hertzsprung-Russell diagram
pre-main sequence stars
diagram
T Tauri stars
stars
3 Citations (Scopus)

Asymptotics and bootstrap for inverse Gaussian regression

Babu, G. J. & Chaubey, Y. P., Jan 1 1996, In : Annals of the Institute of Statistical Mathematics. 48, 1, p. 75-88 14 p.

Research output: Contribution to journal › Article

Inverse Gaussian
Pseudo-maximum Likelihood
Bootstrap
Replication
Regression
110 Citations (Scopus)

Discovery of hard X-rays from a cluster of protostars

Koyama, K., Hamaguchi, K., Ueno, S., Kobayashi, N. & Feigelson, E. D., Jan 1 1996, In : Publications of the Astronomical Society of Japan. 48, 5, p. L87-L92

Research output: Contribution to journal › Article

protostars
flares
x rays
T Tauri stars
stellar evolution
111 Citations (Scopus)

Dispersed T Tauri stars and galactic star formation

Feigelson, E., Jan 1 1996, In : Astrophysical Journal. 468, 1 PART I, p. 306-322 17 p.

Research output: Contribution to journal › Article

T Tauri stars
star formation
stars
molecular clouds
kinematics
561 Citations (Scopus)

Dynamical instabilities and the formation of extrasolar planetary systems

Rasio, F. A. & Ford, E. B., Nov 8 1996, In : Science. 274, 5289, p. 954-956 3 p.

Research output: Contribution to journal › Article

eccentric orbits
planetary systems
Jupiter (planet)
planets
stars
9 Citations (Scopus)

Ground-based gamma-ray burst follow-up efforts: Results of the first two years of the BATSE/COMPTEL/NMSU Rapid Response Network

McNamara, B. J., Harrison, T. E., Ryan, J., Kippen, R. M., McConnell, M., Macri, J., Kouveliotou, C., Fishman, G. J., Meegan, C. A., Green, D. A., Koranyi, D. M., Warner, P. J., Waldram, E. M., Hanlon, L., Bennett, K., Spoelstra, T. A. T., Metlov, V. G., Metlova, N. V., Feigelson, E., Beasley, A. J. & 11 others, Palmer, D. M., Barthelmy, S. D., Gary, D. E., Olsen, E. T., Levin, S., Wannier, P. G., Janssen, M. A., Borovicka, J., Pravec, P., Hudec, R. & Coe, M. J., Mar 1 1996, In : Astrophysical Journal, Supplement Series. 103, 1, p. 173-181 9 p.

Research output: Contribution to journal › Article

gamma ray bursts
bursts
radio
boxes
observatory
15 Citations (Scopus)

Mixtures of global and local edgeworth expansions and their applications

Babu, G. J. & Bai, Z. D., Nov 1996, In : Journal of Multivariate Analysis. 59, 2, p. 282-307 26 p.

Research output: Contribution to journal › Article

Edgeworth Expansion
Bayesian Bootstrap
Weighted Bootstrap
Finite Population
Cumulants
23 Citations (Scopus)

Parsec-scale radio structure of four x-ray-selected bl lacertae objects

Kollgaard, R. I., Gabuzda, D. C. & Feigelson, E., Jan 1 1996, In : Astrophysical Journal. 460, 1 PART I, p. 174-184 11 p.

Research output: Contribution to journal › Article

BL Lacertae objects
HEAO 1
radio
very long base interferometry
very long baseline interferometry
26 Citations (Scopus)

Polarized radio emission from the multiple T tauri system HD 283447

Phillips, R. B., Lonsdale, C. J., Feigelson, E. D. & Deeney, B. D., Feb 1 1996, In : Astronomical Journal. 111, 2, p. 918-929 12 p.

Research output: Contribution to journal › Article

radio emission
very long base interferometry
radio
radio stars
K stars
48 Citations (Scopus)

Radio constraints on relativistic beaming models of BL lacertae objects

Kollgaard, R. I., Palma, C., Laurent-Muehleisen, S. A. & Feigelson, E., Jan 1 1996, In : Astrophysical Journal. 465, 1 PART I, p. 115-126 12 p.

Research output: Contribution to journal › Article

BL Lacertae objects
luminosity
radio
galaxies
HEAO 1
40 Citations (Scopus)

Sign test for ranked-set sampling

Koti, K. M. & Babu, G. J., Jan 1 1996, In : Communications in Statistics - Theory and Methods. 25, 7, p. 1617-1630 14 p.

Research output: Contribution to journal › Article

Ranked Set Sample
Sign Test
Ranked Set Sampling
Symmetric Distributions
Exact Distribution
88 Citations (Scopus)

Soft X-ray properties of a complete sample of radio-selected BL lacertae objects

Urry, C. M., Sambruna, R. M., Worrall, D. M., Kollgaard, R. I., Feigelson, E. D., Perlman, E. S. & Stocke, J. T., Jan 1 1996, In : Astrophysical Journal. 463, 2 PART I, p. 424-443 20 p.

Research output: Contribution to journal › Article

BL Lacertae objects
radio
x rays
blazars
HEAO 2
12 Citations (Scopus)

Spatial point processes in astronomy

Babu, G. J. & Feigelson, E., Mar 15 1996, In : Journal of Statistical Planning and Inference. 50, 3, p. 311-326 16 p.

Research output: Contribution to journal › Article

Spatial Point Process
Galaxies
Astronomy
Gamma rays
Stars
48 Citations (Scopus)

X-ray-emitting t tauri stars in the LI551 cloud

Carkner, L., Feigelson, E. D., Koyama, K., Montmerle, T. & Neill Reid, I., Jan 1 1996, In : Astrophysical Journal. 464, 1 PART I, p. 286-305 20 p.

Research output: Contribution to journal › Article

T Tauri stars
stars
plasma
x rays
erg
1995
20 Citations (Scopus)

A search for optically quiet quasars

Kollgaard, R. I., Feigelson, E., Laurent-Muehleisen, S. A., Spinrad, H., Dey, A. & Brinkmann, W., Aug 10 1995, In : Astrophysical Journal. 449, 1, p. 61-73 13 p.

Research output: Contribution to journal › Article

quasars
radio
optical property
x rays
spectral energy distribution
1 Citation (Scopus)

Asymptotics of k-mean clustering under non-i.i.d. sampling

Serinko, R. J. & Babu, G. J., Jan 1 1995, In : Statistics and Probability Letters. 24, 1, p. 57-66 10 p.

Research output: Contribution to journal › Article

Strong Mixing
Mixing Processes
K-means Clustering
Asymptotic Theory
Stationary Process
1 Citation (Scopus)

Bootstrap for nonstandard cases

Babu, G. J., Jan 1 1995, In : Journal of Statistical Planning and Inference. 43, 1-2, p. 197-203 7 p.

Research output: Contribution to journal › Article

Bootstrap
Error term
Statistics
Bartlett Correction
F-statistics
96 Citations (Scopus)

Discovery of inverse-compton x-rays in radio lobes

Feigelson, E., Laurent-Muehleisen, S. A., Kollgaard, R. I. & Fomalont, E. B., Aug 20 1995, In : Astrophysical Journal. 449, 2, p. L149-L152

Research output: Contribution to journal › Article

lobes
radio
x rays
galaxies
magnetic field
35 Citations (Scopus)

Multiwavelength monitoring of the BL lacertae object PKS 2155-304. III. Ground-based observations in 1991 November

Courvoisier, T. J. L., Blecha, A., Bouchet, P., Bratschi, P., Carini, M. T., Donahue, M., Edelson, R., Feigelson, E., Filippenko, A. V., Glass, I. S., Heidt, J., Kollgaard, R. I., Matheson, T., Miller, H. R., Noble, J. C., Sekiguchi, K., Smith, P. S., Urry, C. M. & Wagner, S. J., Jan 1 1995, In : Astrophysical Journal. 438, 1, p. 108-119 12 p.

Research output: Contribution to journal › Article

BL Lacertae objects
monitoring
radio
radio wave
near infrared
155 Citations (Scopus)

ROSAT X-ray sources embedded in the ρ ophiuchi cloud core

Casanova, S., Montmerle, T., Feigelson, E. & André, P., Feb 1 1995, In : Astrophysical Journal. 439, 2, p. 752-770 19 p.

Research output: Contribution to journal › Article

Ophiuchi clouds
x rays
T Tauri stars
molecular clouds
luminosity
1994
45 Citations (Scopus)

Induced nucleation of carbon dust in red giant stars

Cadwell, B. J., Wang, H., Feigelson, E. D. & Frenklach, M., Jul 1 1994, In : Astrophysical Journal. 429, 1, p. 285-299 15 p.

Research output: Contribution to journal › Article

red giant stars
nucleation
dust
carbon stars
carbon
37 Citations (Scopus)

Multiwavelength study of the magnetically active T Tauri star HD 283447

Feigelson, E., Welty, A. D., Imhoff, C. L., Hall, J. C., Etzel, P. B., Phillips, R. B. & Lonsdale, C. J., Sep 1 1994, In : Astrophysical Journal. 432, 1, p. 373-385 13 p.

Research output: Contribution to journal › Article

T Tauri stars
radio
stars
erg
multipolar fields