Galaxy Zoo Talk

Torn apart.

  • Jacekbarylka by Jacekbarylka

    What do you think happened here. Is this really a victiv of a fly-by? Or merger with object in bottom right corner? Or maybe this object is a supermassive blackhole sucking all nearby matter?

    Posted

  • zoob1172 by zoob1172

    IC0196 S0/a SBb 72 references smooth dustlane throughout diffuse arms small *fing central node #SAB ETG .012093

    & another ETG .012167 SAB0^0 (R) Sa SW

    GZ1 catalog "uncertain".

    Publication is inconclusive to doubtful interaction but they both have been around for billions of years without Illustris.

    References for target searching for “”merger” :

    AN UPDATED ULTRAVIOLET CATALOG OF GALEX NEARBY GALAXIES
    Yu Bai, Hu Zou, JiFeng Liu, and Song Wang
    Published 2015 September 1 • © 2015. The American Astronomical Society. All rights reserved.
    The Astrophysical Journal Supplement Series, Volume 220, Number 1
    [0 hits]

    STELLAR MASSES AND STAR FORMATION RATES FOR 1 M GALAXIES FROM SDSS+WISE
    Yu-Yen Chang1, Arjen van der Wel1, Elisabete da Cunha1,2, and Hans-Walter Rix1
    Published 2015 July 8 • © 2015. The American Astronomical Society. All rights reserved.
    The Astrophysical Journal Supplement Series, Volume 219, Number 1
    [0 hits]

    THE SPITZER INTERACTING GALAXIES SURVEY: A MID-INFRARED ATLAS OF STAR FORMATION
    N. J. Brassington1, A. Zezas2,3,4, M. L. N. Ashby2, L. Lanz2,5, Howard. A. Smith2, S. P. Willner2, and C. Klein6
    Published 2015 May 6 • © 2015. The American Astronomical Society. All rights reserved.
    The Astrophysical Journal Supplement Series, Volume 218, Number 1
    [19 hits]

    GrpID ... Galaxy Arp Name ... R.A. Decl. ... Distance ... Sample ... Interaction ...
    Grp4 IC196 290 02:03:49.8 14:44:21 49.00 $^{{\rm a}}$ A 3.0 ± 0.5

    Morphological Nuclear ... Separation
    SBb L 31.12

    Note. Columns 1, 2, and 3, provide our group numbering scheme (group refers to each of the interacting systems, ranging from individual galaxies up to systems containing four individual galaxy members. This term does not refer to defined cosmological groups.), each galaxy's NGC identifier (or alternative naming) and the galaxy's Arp name (or other if available) respectively.
    Columns 4 and 5 provide the R.A. and Decl. Column 6 presents distances; those determined from heliocentric velocities are indicated by , assuming = 72 km s−1 Mpc−1.

    Information in column (7) indicates the sub-sample from which each galaxy is drawn; C indicates the Complete sample and A the Arp sample. A indicates that the galaxy was not included in the original sample. The interaction strength is a median value and standard deviation of the characterization from 6 independent classifications and is discussed in Section 2.

    Galaxy morphology classifications are taken from RC3 (de Vaucouleurs et al. 1991).

    Column (10) presents the nuclear spectral activity classified based on optical spectra, taken from K85 (or Ho et al. 1997 when indicated by a ) H indicates an H ii or star-forming nuclei, L a Low Ionization Narrow Emission Line Region (LINER), S a Seyfert galaxy, and T a transition object that has been assumed to be a LINER/H ii.

    Column (11) provides the projected separation in kpc between the galaxies in each group. For instances where there are more than two galaxies within one system, separations quoted are primarily between the more massive galaxies, with separation for the less massive galaxies taken to be the nearest massive galaxy (e.g., Grp42).

    GALAXY GROUPS: A 2MASS CATALOG
    R. Brent Tully
    Published 2015 April 28 • © 2015. The American Astronomical Society. All rights reserved.
    The Astronomical Journal, Volume 149, Number 5
    [0 hits]

    Posted

  • ElisabethB by ElisabethB moderator

    Hi Jacekbarylka and welcome to the Zoo

    Both galaxies look disturbed and they have the same redshift, so I'd definitely go for merger here.

    Happy hunting !

    Posted