Query : 2007A&A...461..943S

2007A&A...461..943S - Astronomy and Astrophysics, volume 461, 943-947 (2007/1-3)

The emission line galaxy TV Reticuli. Evidence for an ultraluminous supernova.


Abstract (from CDS):

TVRet was classified as a cataclysmic variable due to an outburst observed in 1977. We intended to confirm this classification and derive some basic properties of the system. Low resolution optical spectra were obtained for a spectral classification of the object. We find that the object is not a cataclysmic variable but an emission line galaxy with a redshift z=0.0964. An R-image taken in very good seeing conditions shows that the object is extended. We show that TVRet is a blue dwarf galaxy, probably compact, with an absolute magnitude of MB=-17.5, a metallicity of 0.12 solar, and an average temperature of 1.3x104K. The line ratios place it among the HII galaxies, although close to the border of the Seyfert2s. The outburst, which was observed in 1977, could thus be explained by a supernova explosion. However, with an absolute magnitude around MB=-21, it was an extremely bright one.

Abstract Copyright:

Journal keyword(s): stars: dwarf novae - stars: individual: TV Ret - galaxies: dwarf - galaxies: starburst - galaxies: active

Simbad objects: 5

goto Full paper

goto View the references in ADS

Number of rows : 5
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
1 V* TV Ret CV* 04 35 40.69896 -59 15 24.0372           ~ 5 0
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17478 0
3 SN 1999as SN* 09 16 30.86 +13 39 02.2     18.3     SNIcpec 52 1
4 CD-44 12736 PM* 18 36 25.9502475648 -44 18 36.907592904   10.83 10.22     G0 211 0
5 NAME KSH R1 V* ~ ~           ~ 1 0

To bookmark this query, right click on this link: simbad:objects in 2007A&A...461..943S and select 'bookmark this link' or equivalent in the popup menu