Table 1
Basic parameters for Tololo 1937-423.
| Parameter | Data | Reference |
|
|
||
| RA (J2000) | 19h40m58 6 |
|
| Dec (J2000) | –42°15′45″ | |
| Helio. radial velocity | 2754 ± 12 km s-1 | |
| Distance | 41.1 ± 2.9 Mpc | |
| Scale | 199 pc″-1 | |
| A B | 0.284 | |
| R 25,B | 2.4 kpc | D99 |
| m B | 15.14 ± 0.04a mag | GP03 |
| m R | 14.25 ± 0.03a mag | GP03 |
| M B | –17.92 ± 0.03b mag | |
Notes. RA, Dec, heliocentric velocity, distance, scale, and Galactic extinction taken from NED (http://ned.www.ipac.caltech.edu/). The distance is calculated using a Hubble constant of 73 km s-1 Mpc-1, and taking into account the influence of the Virgo cluster, the Great Attractor, and the Shapley supercluster.
Integrated magnitudes from Gil de Paz et al. (2003), corrected for Galactic extinction;
Reference. D99 = Doublier et al. (1999); GP03 = Gil de Paz et al. (2003).
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