Table 1.
Basic parameters of Mrk 900.
| Parameter | Data | Reference |
|---|---|---|
| Other names | NGC 7077, UGC 11755 | |
| RA (J2000) | 21h29m59 6 |
|
| Dec (J2000) | 02°24′51″ | |
| Vhel | 1152 ± 5 km s−1 | |
| Distance | 18.9 ± 1.3 Mpc | |
| Scale | 91 pc ″−1 | |
| D25 | 49.9 ± 0.06 ″ (4.54 kpc) | RC3 |
| AB | 0.211 | SF11 |
| MB | −17.08 | This work |
| M* | 9.5 × 108 M⊙ | H17 |
| MHI | 1.55 × 108 M⊙ | VSS01 |
| MDYN | 1.64 × 109 M⊙ | VSS01 |
| DHI/D25 | 1.2 | VSS01 |
| Morphology | SO−pec?; BCD | RC3; GP03 |
Notes. RA, Dec, heliocentric velocity, distance, scale, and Galactic extinction are from NED (http://nedwww.ipac.caltech.edu/). The distance was 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. HI-to-optical diameter (DHI/D25) is measured at the 1020 atoms cm−2 and 25 mag arcsec−2 isophotes.
References. GP03 = Gil de Paz et al. (2003); H17 = Hunt et al. (2017); RC3 = de Vaucouleurs et al. (1991); SF11 = Schlafly & Finkbeiner (2011); VSS01 = van Zee et al. (2001).
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