Selecting Highly-Compact Radio Sources for the Definition of the Celestial Reference Frame

The K-band (24 GHz) Celestial Reference Frame: Current Status and Roadmap

de Witt, Aletha
Gordon, David
Jacobs, Chris
Krásná, Hana
García Miró, Cristina
Johnson, Megan
Jung, Taehyun
Hodgson, Jeffrey
McCallum, Jamie

June 2023

The current K-band (24 GHz) celestial reference frame (CRF) consists of 1038 relatively uniformly di...

On the nature of bright compact radio sources at z > 4.5

Coppejans, R.
Frey, S.
Cseh, D.
Müller, C.
Paragi, Z.
Falcke, H.
Gabányi, K.É.
Gurvits, L.I.
An, T.
Titov, O.

January 2016

Contains fulltext : 161148.pdf (preprint version ) (Open Access

Celestial Reference Frames at Multiple Radio Wavelengths

Jacobs, Christopher S.

August 2012

In 1997 the IAU adopted the International Celestial Reference Frame (ICRF) built from S/X VLBI data....

Selecting Highly-Compact Radio Sources for the Definition of the Celestial Reference Frame

Charlot, P.
Fey, A. L.
Ojha, R.
Boboltz, D. A.
Camargo, J. I. B.
Collioud, A.

January 2006

International audienceWe discuss the issue of selecting highly-compact radio sources for the definit...

On radio source selection to define a stable celestial frame

Lambert, Sébastien
Gontier, Anne-Marie

January 2009

International audienceContext: The most accurate realization of a quasi inertial reference frame, th...

Establishing Celestial Reference Frames at Different Ranges of Wavelengths

Bourda, G.
Ma, C.
Jacobs, C.
Andrei, A.

July 2011

The current fundamental celestial reference frame is the second realization of the International Cel...

Analysis strategy issues for the maintenance of the ICRF axes

M. Feissel-Vernier
C. Ma
A.-M. Gontier
C. Barache

June 2006

In preparation for the evolution of the definition of the VLBI-based International Celestial Refer...

Establishing celestial reference frames at different ranges of wavelengths",

MA, Chopo
ANDREI, A.
BOURDA, G.
JACOBS, C.

January 2011

The current fundamental celestial reference frame is the second realization of the International Cel...

Analysis strategy issues for the maintenance of the ICRF axes

Feissel-Vernier, Martine
Ma, C.
Gontier, Anne-Marie
Barache, Christophe

January 2006

International audienceIn preparation for the evolution of the definition of the VLBI-based Internati...

The Celestial Reference Frame at 24 and 43 GHz. II. Imaging

Charlot, P.
Boboltz, D. A.
Fey, A. L.
Fomalont, E. B.
Geldzahler, B. J.
Gordon, D.
Jacobs, C. S.
Lanyi, G. E.
Ma, C.
Naudet, C. J.
Romney, J. D.
Sovers, O. J.
Zhang, L. D.

January 2010

63 pages, 18 figures, 6 tablesInternational audienceWe have measured the sub-milli-arcsecond structu...

Radio stars for linking celestial reference frames

H. G. Walter
R. Hering
Chr. de Vegt

May 1997

Radio stars play a key role in establishing the link between optical reference frames and the conven...

Selecting defining sources for the next ICRF based on source structure

CHARLOT, P.
FEY, A. L.
COLLIOUD, A.
OJHA, R.
BOBOLTZ, D. A.
CAMARGO, J. I. B.

September 2007

The intrinsic radio structure of the extragalactic sources is one of the limiting errors in the defi...

Reference frames in astronomy

K. J. Johnston
Chr De Vegt

January 1999

Key Words astrometry, reference frames, reference systems n Abstract Advances in wide-angle astromet...

VLBI morphology and astrometric suitability of reference frame sources

Charlot, P.

January 2005

International audienceThe compact extragalactic radio-emitting objects used to define the Internatio...

Densification of celestial reference frames: towards new VLBI observing strategies

CHEMIN, L.
CHARLOT, P.

January 2010

Building celestial reference frames such as the International Celestial Reference Frame (ICRF) from ...

The K-band (24 GHz) Celestial Reference Frame: Current Status and Roadmap

de Witt, Aletha
Gordon, David
Jacobs, Chris
Krásná, Hana
García Miró, Cristina
Johnson, Megan
Jung, Taehyun
Hodgson, Jeffrey
McCallum, Jamie

June 2023

The current K-band (24 GHz) celestial reference frame (CRF) consists of 1038 relatively uniformly di...

On the nature of bright compact radio sources at z > 4.5

Coppejans, R.
Frey, S.
Cseh, D.
Müller, C.
Paragi, Z.
Falcke, H.
Gabányi, K.É.
Gurvits, L.I.
An, T.
Titov, O.

January 2016

Contains fulltext : 161148.pdf (preprint version ) (Open Access

Celestial Reference Frames at Multiple Radio Wavelengths

Jacobs, Christopher S.

August 2012

In 1997 the IAU adopted the International Celestial Reference Frame (ICRF) built from S/X VLBI data....

Selecting Highly-Compact Radio Sources for the Definition of the Celestial Reference Frame

Charlot, P.
Fey, A. L.
Ojha, R.
Boboltz, D. A.
Camargo, J. I. B.
Collioud, A.

January 2006

International audienceWe discuss the issue of selecting highly-compact radio sources for the definit...

On radio source selection to define a stable celestial frame

Lambert, Sébastien
Gontier, Anne-Marie

January 2009

International audienceContext: The most accurate realization of a quasi inertial reference frame, th...

Establishing Celestial Reference Frames at Different Ranges of Wavelengths

Bourda, G.
Ma, C.
Jacobs, C.
Andrei, A.

July 2011

The current fundamental celestial reference frame is the second realization of the International Cel...

Analysis strategy issues for the maintenance of the ICRF axes

M. Feissel-Vernier
C. Ma
A.-M. Gontier
C. Barache

June 2006

In preparation for the evolution of the definition of the VLBI-based International Celestial Refer...

Establishing celestial reference frames at different ranges of wavelengths",

MA, Chopo
ANDREI, A.
BOURDA, G.
JACOBS, C.

January 2011

The current fundamental celestial reference frame is the second realization of the International Cel...

Analysis strategy issues for the maintenance of the ICRF axes

Feissel-Vernier, Martine
Ma, C.
Gontier, Anne-Marie
Barache, Christophe

January 2006

International audienceIn preparation for the evolution of the definition of the VLBI-based Internati...

The Celestial Reference Frame at 24 and 43 GHz. II. Imaging

Charlot, P.
Boboltz, D. A.
Fey, A. L.
Fomalont, E. B.
Geldzahler, B. J.
Gordon, D.
Jacobs, C. S.
Lanyi, G. E.
Ma, C.
Naudet, C. J.
Romney, J. D.
Sovers, O. J.
Zhang, L. D.

January 2010

63 pages, 18 figures, 6 tablesInternational audienceWe have measured the sub-milli-arcsecond structu...

Radio stars for linking celestial reference frames

H. G. Walter
R. Hering
Chr. de Vegt

May 1997

Radio stars play a key role in establishing the link between optical reference frames and the conven...

Selecting defining sources for the next ICRF based on source structure

CHARLOT, P.
FEY, A. L.
COLLIOUD, A.
OJHA, R.
BOBOLTZ, D. A.
CAMARGO, J. I. B.

September 2007

The intrinsic radio structure of the extragalactic sources is one of the limiting errors in the defi...

Reference frames in astronomy

K. J. Johnston
Chr De Vegt

January 1999

Key Words astrometry, reference frames, reference systems n Abstract Advances in wide-angle astromet...

VLBI morphology and astrometric suitability of reference frame sources

Charlot, P.

January 2005

International audienceThe compact extragalactic radio-emitting objects used to define the Internatio...

Densification of celestial reference frames: towards new VLBI observing strategies

CHEMIN, L.
CHARLOT, P.

January 2010

Building celestial reference frames such as the International Celestial Reference Frame (ICRF) from ...

The K-band (24 GHz) Celestial Reference Frame: Current Status and Roadmap

de Witt, Aletha
Gordon, David
Jacobs, Chris
Krásná, Hana
García Miró, Cristina
Johnson, Megan
Jung, Taehyun
Hodgson, Jeffrey
McCallum, Jamie

June 2023

The current K-band (24 GHz) celestial reference frame (CRF) consists of 1038 relatively uniformly di...

On the nature of bright compact radio sources at z > 4.5

Coppejans, R.
Frey, S.
Cseh, D.
Müller, C.
Paragi, Z.
Falcke, H.
Gabányi, K.É.
Gurvits, L.I.
An, T.
Titov, O.

January 2016

Contains fulltext : 161148.pdf (preprint version ) (Open Access

Celestial Reference Frames at Multiple Radio Wavelengths

Jacobs, Christopher S.

August 2012

In 1997 the IAU adopted the International Celestial Reference Frame (ICRF) built from S/X VLBI data....

Selecting Highly-Compact Radio Sources for the Definition of the Celestial Reference Frame

Abstract

Extracted data

Selecting Highly-Compact Radio Sources for the Definition of the Celestial Reference Frame

Abstract

Extracted data

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