Center for Astrostatistics

  • United States

Research Output 1974 2019

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Article
1993
28 Citations (Scopus)

A giant X-ray flare on λ eridani (B2e)

Smith, M. A., Grady, C. A., Peters, G. J. & Feigelson, E., Jun 1 1993, In : Astrophysical Journal. 409, 2 PART 2

Research output: Contribution to journalArticle

flares
stars
stellar flares
IUE
B stars
29 Citations (Scopus)

Magnetic nonthermal activity in the T tauri system

Phillips, R. B., Lonsdale, C. J. & Feigelson, E., Jan 1 1993, In : Astrophysical Journal. 403, 1 PART II

Research output: Contribution to journalArticle

circular polarization
polarization
Very Large Array (VLA)
very long baseline interferometry
interferometry
62 Citations (Scopus)

Radio morphology and parent population of x-ray selected BL lacertae objects

Laurent-Muehleisen, S. A., Kollgaard, R. I., Moellenbrock, G. A. & Feigelson, E. D., Sep 1993, In : Astronomical Journal. 106, 3, p. 875-898 24 p.

Research output: Contribution to journalArticle

BL Lacertae objects
radio galaxies
HEAO 1
radio
x rays

ROSAT observations of the Chamaeleon star forming cloud

Feigelson, E., Casanova, S., Montmerle, T. & Guibert, J., Jan 1 1993, In : Advances in Space Research. 13, 12, p. 311-314 4 p.

Research output: Contribution to journalArticle

T Tauri stars
Stars
stars
luminosity
x rays
172 Citations (Scopus)

ROSAT X-ray study of the Chamaeleon I dark cloud. I. The stellar population

Feigelson, E., Casanova, S., Montmerle, T. & Guibert, J., Oct 20 1993, In : Astrophysical Journal. 416, 2, p. 623-646 24 p.

Research output: Contribution to journalArticle

T Tauri stars
x rays
luminosity
stars
erg
1992
42 Citations (Scopus)
Linear Least Squares
Ordinary Least Squares
Astronomy
Linear regression
Line
4 Citations (Scopus)

Edgeworth expansions for errors-in-variables models

Babu, G. J. & Bai, Z. D., Jan 1 1992, In : Journal of Multivariate Analysis. 42, 2, p. 226-244 19 p.

Research output: Contribution to journalArticle

Errors-in-variables Model
Edgeworth Expansion
Sampling Distribution
Normal Approximation
Random Vector
11 Citations (Scopus)

Expansions for statistics involving the mean absolute deviations

Babu, G. J. & Rao, C. R., Jun 1 1992, In : Annals of the Institute of Statistical Mathematics. 44, 2, p. 387-403 17 p.

Research output: Contribution to journalArticle

Deviation
Statistics
Sample mean
Edgeworth Expansion
Scale Invariant
30 Citations (Scopus)

Far-infrared luminosity functions of normal galaxies

Isobe, T. & Feigelson, E., Jan 1 1992, In : Astrophysical Journal, Supplement Series. 79, 2, p. 197-211 15 p.

Research output: Contribution to journalArticle

luminosity
galaxies
emissivity
rings
statistical analysis
183 Citations (Scopus)

Linear regression in astronomy. II

Feigelson, E. & Babu, G. J., Jan 1 1992, In : Astrophysical Journal. 397, 1, p. 55-67 13 p.

Research output: Contribution to journalArticle

astronomy
regression analysis
calibration
error analysis
coma
11 Citations (Scopus)

Nonparametric estimation of specific occurrence/exposure rate in risk and survival analysis

Babu, G. J., Rao, C. R. & Rao, M. B., Jan 1 1992, In : Journal of the American Statistical Association. 87, 417, p. 84-89 6 p.

Research output: Contribution to journalArticle

Survival Analysis
Risk Analysis
Nonparametric Estimation
Cancer
Die
6 Citations (Scopus)

Subsample and half-sample methods

Babu, G. J., Dec 1992, In : Annals of the Institute of Statistical Mathematics. 44, 4, p. 703-720 18 p.

Research output: Contribution to journalArticle

Sample mean
Skewness
Bootstrap
Estimate
Sample Quantiles
4 Citations (Scopus)

Weak limit theorems for univariate k-mean clustering under a nonregular condition

Serinko, R. J. & Babu, G. J., Jan 1 1992, In : Journal of Multivariate Analysis. 41, 2, p. 273-296 24 p.

Research output: Contribution to journalArticle

Weak Limit
K-means Clustering
Limit Theorems
Univariate
Limiting Distribution
1991
5 Citations (Scopus)

Accuracy of the bootstrap approximation

Bose, A. & Babu, G. J., Sep 1 1991, In : Probability Theory and Related Fields. 90, 3, p. 301-316 16 p.

Research output: Contribution to journalArticle

Bootstrap
Sampling Distribution
Approximation
Statistics
Bootstrap Confidence Intervals
39 Citations (Scopus)

A new mechanism for the formation of meteoritic kerogen-like material

Morgan, W. A., Feigelson, E., Wang, H. & Frenklach, M., Jan 1 1991, In : Science. 252, 5002, p. 109-112 4 p.

Research output: Contribution to journalArticle

Hydrocarbons
Aromatic Hydrocarbons
Meteoroids
Soot
Acetylene
82 Citations (Scopus)

A rich cluster of radio stars in the ρ ophiuchi cloud cores

Leous, J. A., Feigelson, E. D., André, P. & Montmerle, T., Oct 1 1991, In : Astrophysical Journal. 379, 2, p. 683-688 6 p.

Research output: Contribution to journalArticle

Ophiuchi clouds
radio stars
radio
radio emission
infrared stars
5 Citations (Scopus)

Asymptotic theory for estimators under random censorship

Babu, G. J., Jun 1 1991, In : Probability Theory and Related Fields. 90, 2, p. 275-290 16 p.

Research output: Contribution to journalArticle

Random Censorship
Asymptotic Theory
Estimator
Product-limit Estimator
Edgeworth Expansion
1 Citation (Scopus)

Discussion of p. k. sen’s paper “nonparametrics: Retrospectives and perspectives”

Babu, G. J., Jan 1 1991, In : Journal of Nonparametric Statistics. 1, 1-2, p. 33-35 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
Edgeworth Expansion
Statistic
Statistics
Scaling Factor
Smooth function
54 Citations (Scopus)

Milliarcsecond radio structure of weak-lined T Tauri stars

Phillips, R. B., Lonsdale, C. J. & Feigelson, E. D., Nov 20 1991, In : Astrophysical Journal. 382, 1, p. 261-269 9 p.

Research output: Contribution to journalArticle

T Tauri stars
interferometry
pre-main sequence stars
radio
stars
1990
4 Citations (Scopus)

Estimation of the reciprocal of the density quantile function at a point

Babu, G. J. & Radhakrishna Rao, C., Jan 1 1990, In : Journal of Multivariate Analysis. 33, 1, p. 106-124 19 p.

Research output: Contribution to journalArticle

Quantile Function
Density Function
Probability density function
Quantile
Location Parameter
690 Citations (Scopus)

Linear regression in astronomy. I

Isobe, T., Feigelson, E. D., Akritas, M. G. & Babu, G. J., Nov 20 1990, In : Astrophysical Journal. 364, 1, p. 104-113 10 p.

Research output: Contribution to journalArticle

astronomy
regression analysis
simulation
method
slopes
1989
5 Citations (Scopus)

A note on Edgeworth expansions for the lattice case

Babu, G. J. & Singh, K., Jan 1 1989, In : Journal of Multivariate Analysis. 30, 1, p. 27-33 7 p.

Research output: Contribution to journalArticle

Edgeworth Expansion
Random variables
Random variable
Sample mean
Random Vector
45 Citations (Scopus)

Silicon carbide and the origin of interstellar carbon grains

Frenklach, M., Carmer, C. S. & Feigelson, E., Jan 1 1989, In : Nature. 339, 6221, p. 196-198 3 p.

Research output: Contribution to journalArticle

silicon
PAH
carbon
condensation
soot
42 Citations (Scopus)

Strong representations for LAD estimators in linear models

Babu, G. J., Dec 1 1989, In : Probability Theory and Related Fields. 83, 4, p. 547-558 12 p.

Research output: Contribution to journalArticle

Least Absolute Deviation
Linear Model
Estimator
Mixing Sequence
Representation Type
1988

A note on comparison of conditional means

Babu, G. J., Jan 1 1988, In : Journal of Statistical Planning and Inference. 19, 2, p. 253-259 7 p.

Research output: Contribution to journalArticle

Vessel
Random Vector
Denote
Fishing
15 Citations (Scopus)

Bootstrap confidence intervals

Babu, G. J. & Bose, A., Jan 1 1988, In : Statistics and Probability Letters. 7, 2, p. 151-160 10 p.

Research output: Contribution to journalArticle

Bootstrap Confidence Intervals
Confidence Bounds
Normal Approximation
Approximation Theory
Bootstrap
38 Citations (Scopus)
Quantile Function
Quantile
Joint Distribution
Asymptotic distribution
Nuisance Parameter
1986
23 Citations (Scopus)

A note on bootstrapping the variance of sample quantile

Babu, G. J., Dec 1 1986, In : Annals of the Institute of Statistical Mathematics. 38, 1, p. 439-443 5 p.

Research output: Contribution to journalArticle

Sample Quantiles
Bootstrapping
Quantile
Denote
Bootstrap
8 Citations (Scopus)

Efficient estimation of the reciprocal of the density quantile function at a point

Babu, G. J., Jan 1 1986, In : Statistics and Probability Letters. 4, 3, p. 133-139 7 p.

Research output: Contribution to journalArticle

Quantile Function
Efficient Estimation
Density Function
Quantile
Estimator
6 Citations (Scopus)

The axaf ccd imaging spectrometer

Garmire, G. P., Burrows, D. N., Canizares, C., Clark, G., Sollins, S. A., Feigelson, E., Morrison, J., Nousek, J. A., Pravda, S. H., Rappaport, S. A., Ricker, G., Riegler, G. R. & Weedmanl, D., Jul 14 1986, In : Proceedings of SPIE - The International Society for Optical Engineering. 597, p. 261-266 6 p.

Research output: Contribution to journalArticle

X Ray Astrophysics Facility
Imaging Spectrometer
imaging spectrometers
Astrophysics
Spectrometers
1985
44 Citations (Scopus)

Edgeworth expansions for sampling without replacement from finite populations

Babu, G. J. & Singh, K., Dec 1985, In : Journal of Multivariate Analysis. 17, 3, p. 261-278 18 p.

Research output: Contribution to journalArticle

Sampling without Replacement
Edgeworth Expansion
Finite Population
Sampling
Univariate

H0323+022: Classification as a BL Lac and EXOSAT coordinated observations

Bradt, H., Baldwin, J., Feigelson, E., Geldzahler, B., Madejski, G., Massey, P., McClintock, J., McHardy, I., McMahan, R., Ohashi, T., Remillard, R., Romanishin, W., Salter, C., Schaefer, B., Schwartz, D., Tapia, S., Thorstensen, J., Urry, C. M., Wehinger, P., Wilson, A. & 1 others, Wyckoff, S., Apr 1 1985, In : Space Science Reviews. 40, 3-4, p. 613-617 5 p.

Research output: Contribution to journalArticle

radio
wavelength
wavelengths
x rays
1984
46 Citations (Scopus)

Rings and wiggles in Hercules A

Dreher, J. W. & Feigelson, E., Dec 1 1984, In : Nature. 308, 5954, p. 43-45 3 p.

Research output: Contribution to journalArticle

extragalactic radio sources
rings
radio astronomy
Very Large Array (VLA)
declination

The Radio Structure of the X‐Ray Jet in Centaurus A

BURNS, J. O., Feigelson, E. & SCHREIER, E. J., 1984, In : Annals of the New York Academy of Sciences. 422, 1, p. 334 1 p.

Research output: Contribution to journalArticle

Radio
X-Rays
X rays
Jets
1983
2 Citations (Scopus)
Kiefer Process
Occupation Measure
Strong Approximation
Limit Behavior
Law of the Iterated Logarithm
1982
6 Citations (Scopus)

Distribution of the values of ω in short intervals

Babu, G. J., Mar 1 1982, In : Acta Mathematica Academiae Scientiarum Hungaricae. 40, 1-2, p. 135-137 3 p.

Research output: Contribution to journalArticle

Short Intervals
2 Citations (Scopus)

On r-quick limit sets for empirical and related processes based on mixing random variables

Babu, G. J. & Singh, K., Dec 1982, In : Journal of Multivariate Analysis. 12, 4, p. 508-525 18 p.

Research output: Contribution to journalArticle

Limit Set
Limit Point
Random variables
Distribution functions
Random variable
28 Citations (Scopus)

X-ray emission from young stars and implications for the early solar system

Feigelson, E., Jan 1 1982, In : Icarus. 51, 1, p. 155-163 9 p.

Research output: Contribution to journalArticle

solar system
stars
solar flares
x rays
flares
1981
5 Citations (Scopus)

Probabilities of moderate deviations in a banach space

Deo, C. M. & Jogesh Babu, G., Oct 1981, In : Proceedings of the American Mathematical Society. 83, 2, p. 392-397 6 p.

Research output: Contribution to journalArticle

Moderate Deviations
Banach spaces
Real Line
Banach space
Necessary Conditions
1 Citation (Scopus)

The einstein observatory medium sensitivity survey

Maccacaro, T., Feigelson, E., Giacconi, R., Gioia, I. M., Griffiths, R. E., Liebert, J., Murray, S. S., Stocke, J. & Zamorani, G., Mar 1 1981, In : Space Science Reviews. 30, 1-4, p. 75-80 6 p.

Research output: Contribution to journalArticle

HEAO 2
erg
observatory
sensitivity
proportional counters
1978
48 Citations (Scopus)

On deviations between empirical and quantile processes for mixing random variables

Babu, G. J. & Singh, K., Dec 1978, In : Journal of Multivariate Analysis. 8, 4, p. 532-549 18 p.

Research output: Contribution to journalArticle

Quantile Process
Empirical Process
Random variables
Mixing Processes
Deviation
1976
10 Citations (Scopus)

A random functional central limit theorem for martingales

Babu, G. J. & Ghosh, M., Sep 1 1976, In : Acta Mathematica Academiae Scientiarum Hungaricae. 27, 3-4, p. 301-306 6 p.

Research output: Contribution to journalArticle

Functional Central Limit Theorem
Martingale
1975
5 Citations (Scopus)

Almost sure convergence of sums of maxima and minima of positive random variables

Ghosh, M., Babu, G. J. & Mukhopadhyay, N., Mar 1 1975, In : Zeitschrift für Wahrscheinlichkeitstheorie und Verwandte Gebiete. 33, 1, p. 49-54 6 p.

Research output: Contribution to journalArticle

Almost Sure Convergence
Random variable
Identically distributed
Random variables
3 Citations (Scopus)

Model for 1.24 s X-ray pulses in Her X-1

Feigelson, E., Dec 1 1975, In : Nature. 253, 5489, p. 250-251 2 p.

Research output: Contribution to journalArticle

pulses
x rays
magnetic stars
neutron stars
intervals
1974
Arithmetic Functions
Additive Function
Characteristic Function