2007ApJ...665L.101W

Query : 2007ApJ...665L.101W

2007ApJ...665L.101W - Astrophys. J., 665, L101-L104 (2007/August-3)

Loss of mass and stability of galaxies in modified Newtonian dynamics.

WU X., ZHAO H., FAMAEY B., GENTILE G., TIRET O., COMBES F., ANGUS G.W. and ROBIN A.C.

Abstract (from CDS):

The self-binding energy and stability of a galaxy in MOND-based gravity are curiously decreasing functions of its center-of-mass acceleration (of the order of 10^–12 to 10^–10 m/s2) toward neighboring mass concentrations. A tentative indication of this breaking of the strong equivalence principle in field galaxies is the RAVE-observed escape speed in the Milky Way. Another consequence is that satellites of field galaxies will move on nearly Keplerian orbits at large radii (100-500 kpc), with a declining speed below the asymptotically constant naive MOND prediction. But the consequences of an environment-sensitive gravity are even more severe in clusters, where member galaxies accelerate fast; no dark halo-like potential is present to support galaxies, meaning that extended axisymmetric disks of gas and stars are likely unstable. These predicted reappearances of asymptotic Keplerian velocity curves and disappearances of ``stereotypic galaxies'' in clusters are falsifiable with targeted surveys.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Dark Matter - Galaxies: Kinematics and Dynamics - Galaxies: Structure - Gravitation

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	NGC 1560	GiG	04 32 49.087	+71 52 59.20		12.1				~	264	0

Query : 2007ApJ...665L.101W

Basic data :

NGC 1560 -- Galaxy towards a Group of Galaxies

G (2014AJ,FGCA,...), GiG (2007ApJ,[CHM2007]), IR (IRAS,PSCz), AG? (2020MNRAS)

04 32 49.087 +71 52 59.20 (Infrared) [ ] C 2006AJ....131.1163S

04 27 07.313 +71 46 35.68 [ ]

138.365917 +16.022224 [ ]

V(km/s) -34 [~] / z(spectroscopic) -0.000113 [~] / cz -34.00 [~] (Rad) D 2020ApJ...902..145K

7 D 2018MNRAS.479.4136K

9.55 1.62 22 (Opt) D 2003A&A...412...45P

B 12.1 [~] E ~

J 9.714 [0.029] C 2006AJ....131.1163S

H 8.933 [0.033] C 2006AJ....131.1163S

K 8.891 [0.050] C 2006AJ....131.1163S

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`NGC 1560`	`2MASX J04324908+7152591`	`TC 478`	`[CHM2007] LDC 264 J043249.08+7152591`
`FGCA 71A`	`MCG+12-05-005`	`UGC 3060`	`[CHM2007] HDC 296 J043249.08+7152591`
`IC 2062`	`2MFGC 3701`	`UZC J043249.5+715256`	`[M98c] 042708.2+714629`
`IRAS 04271+7146`	`PSCz Q04271+7146`	`Z 328-6`	`[VDD93] 40`
`LEDA 15488`	`SPB 62`	`Z 0427.1+7147`

References (264 between 1850 and 2026) (Total 264)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : NGC 1560

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NGC 1560 IRAS 04271+7146 2MASX J04324908+7152591 UGC 3060

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