Calypso is a parameter-conditioned stochastic surrogate model for circumbinary accretion flows using PCA and multivariate Gaussian modeling, released as open-source software with a closed-form likelihood for parameter inference from time series.
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8 Pith papers cite this work, alongside 1,045 external citations. Polarity classification is still indexing.
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Pith papers citing it
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2026 8representative citing papers
FABLE simulation predictions for the nanohertz gravitational wave background are statistically consistent with NANOGrav 15-year data at 1–2.5σ tension, with physically motivated population modifications further improving agreement.
Customized chromatic noise models for 67 pulsars detect non-dispersive delays in 21 cases, alter achromatic noise inferences in 19, and enable solar wind density estimates over 1.5 cycles.
Customized chromatic noise models applied to NANOGrav 15 yr data raise the Bayes factor for Hellings-Downs GWB correlations by a factor of ~8, lower the amplitude to 2.1e-15, and increase the spectral index to 3.5.
Joint SKA PTA and astrometry analysis improves gravitational wave background detection sensitivity by 10-50%.
Bayesian fitting of an eccentric Keplerian orbit to the radio light curve of PKS 2131-021 gives e = 0.053 ± 0.015 without red noise but favors a circular orbit plus DRW noise with e < 0.15.
X-ray pulsar navigation using NICER-derived noise and EKF achieves sub-7 km LEO and sub-20 km interplanetary position errors with the Crab pulsar at 200 cm² effective area, but diverges after 20 days without timing updates while stable pulsars support longer autonomy at reduced precision.
PCA analysis of NANOGrav data recovers known pulse shape changes tied to timing events in pulsars like J1713+0747 and identifies new candidates and a recurrence in PSR B1937+21.
citing papers explorer
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\texttt{calypso}: a Parameter-Conditioned Stochastic Surrogate Model for Circumbinary Accretion Time-Series
Calypso is a parameter-conditioned stochastic surrogate model for circumbinary accretion flows using PCA and multivariate Gaussian modeling, released as open-source software with a closed-form likelihood for parameter inference from time series.
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Comparing gravitational wave background predictions from cosmological simulations to pulsar timing observations
FABLE simulation predictions for the nanohertz gravitational wave background are statistically consistent with NANOGrav 15-year data at 1–2.5σ tension, with physically motivated population modifications further improving agreement.
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The NANOGrav 15 yr Data Set: Customized Chromatic Noise Models
Customized chromatic noise models for 67 pulsars detect non-dispersive delays in 21 cases, alter achromatic noise inferences in 19, and enable solar wind density estimates over 1.5 cycles.
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The NANOGrav 15 yr Data Set: Impacts of Customized Chromatic Noise Models on Gravitational Wave Analyses
Customized chromatic noise models applied to NANOGrav 15 yr data raise the Bayes factor for Hellings-Downs GWB correlations by a factor of ~8, lower the amplitude to 2.1e-15, and increase the spectral index to 3.5.
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Synergies Between Pulsar Timing Array and Astrometry
Joint SKA PTA and astrometry analysis improves gravitational wave background detection sensitivity by 10-50%.
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Constraining Orbital Eccentricity of a Supermassive Black Hole Binary Candidate PKS 2131-0211
Bayesian fitting of an eccentric Keplerian orbit to the radio light curve of PKS 2131-021 gives e = 0.053 ± 0.015 without red noise but favors a circular orbit plus DRW noise with e < 0.15.
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Pulsar Selection Criteria and Performance Evaluation of Autonomous X-ray Pulsar Navigation Systems
X-ray pulsar navigation using NICER-derived noise and EKF achieves sub-7 km LEO and sub-20 km interplanetary position errors with the Crab pulsar at 200 cm² effective area, but diverges after 20 days without timing updates while stable pulsars support longer autonomy at reduced precision.
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The NANOGrav 15 yr and 20 yr Datasets: Timing Events and Pulse Shape Changes
PCA analysis of NANOGrav data recovers known pulse shape changes tied to timing events in pulsars like J1713+0747 and identifies new candidates and a recurrence in PSR B1937+21.