|
| | | | |
| | | |
| Stat |
Members: 3645
Articles: 2'500'096
Articles rated: 2609
18 April 2024 |
|
| | | | |
|
Article forum
| |
|
|
The Growth of the Local Void and the Origin of the Local Velocity Anomaly | | I. Iwata
; K. Ohta
; K. Nakanishi
; P. Chamaraux
; A.T. Roman
; | | Date: |
26 May 2005 | | Subject: | astro-ph | | Affiliation: | 1,2), K. Ohta , K. Nakanishi , P. Chamaraux , A.T. Roman ( Okayama Astrophysical Observatory, Kyoto Univ. Nobeyama Radio Observatory, GEPI, Observatoire de Paris NRIAG, Egypt | | Abstract: | The Local Void is the nearest void from us and is thought to be playing an important role in the kinematics of the local universe, especially as one of the suspected source of the motion of the Local Group. The imbalance between the mass in the Local Void region and that contained in the concentration at the opposite side might contribute to the velocity of the Local group perpendicular to the Supergalactic plane, and this would be a prototype of the evolution of the large-scale structure. The proximity of the Local Void provides us the exclusive opportunity to investigate the kinematics around a void. Here we report the results of our observational study of the peculiar velocities of about 40 galaxies at the far-side of the Local Void, using the near-infrared Tully-Fisher relation. The galaxies at the boundary of the void shows an excess of receding motion, suggesting the expansion of the Local Void. We examined the effect of selection biases on the peculiar velocity distribution, and concluded that the excess of receding motion could not fully attribute to selection biases. | | Source: | arXiv, astro-ph/0505530 | | Services: | Forum | Review | PDF | Favorites | |
|
|
No message found in this article forum.
You have a question or message about this article?
Ask the community and write a message in the forum.
If you want to rate this article, please use the review section..
To add a message in the forum, you need to login or register first. (free): registration page
|
| |
|
|
|
|
News, job offers and information for researchers and scientists:
| |
REGISTER