Table 1
Basic properties of UGCA 105.
| Description | Parameter | UGCA 105 | Ref. |
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|
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| Classification of galaxy | Type | SAB(s)m | (2) |
| Right ascension (J2000) | RA | 05h14m15.3s | (4) |
| Declination (J2000) | Dec | +62d34m48s | (4) |
| Heliocentric systemic velocity (km s-1) | V sys | 111 ± 5 | (1) |
| Distance of object (Mpc) | D |
|
(3) |
| Scale between distance on sky and true distance (pc arcsec-1) | sc | 16.9 ± 2.4 | (1) |
| Apparent B-band magnitude (mag) | m B | 14.04 ± 1.27 | (4) |
| Apparent I-band magnitude (mag) | m I | 10.41 ± 0.06 | (2) |
|
|
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| Reddening (mag) | E(B − V) | 0.218 | (5) |
| Galactic extinction in B-band (mag) | A B | 0.941 | (*) |
| Galactic extinction in I-band (mag) | A I | 0.423 | (*) |
| Absolute B-band magnitude (mag) | M B | −14.68 | (†) |
| Absolute I-band magnitude (mag) | M I | −17.80 | (†) |
|
|
|||
| Total H i flux (Jy km s-1) | F H i | 225 ± 11 | (1) |
| H i mass (109 M⊙) | M H i | 0.64 ± 0.03 | (1) |
| B-band optical radius ( ′′) | r 25 | 169 ± 12 | (4) |
| H i radius ( ′′) | r H i | 476 ± 14 | (1) |
| B-band optical radius (kpc) | R 25 | 2.9 ± 0.7 | (1) |
| H i radius (kpc) | R H i | 8.0 ± 1.1 | (1) |
| Ratio of H i to optical radius | RH i/R25 | 2.8 ± 0.6 | (1) |
| Inclination of inner H i disk (°) | i H i,i | 50 ± 2 | (1) |
| Inclination of H i disk at outermost radius (°) | i H i,o | 60 ± 4 | (1) |
| Dynamical mass (109 M⊙) | M dyn | >12 ± 3 | (1) |
Notes. (*) The conversions from E(B − V) to extinction are based on the values given in Table 6 of Schlegel et al. (1998). (†) For the absolute magnitudes quoted here, only Galactic foreground extinction has been considered. No corrections for internal extinction have been applied.
Reference. (1) This work; (2) Buta & McCall (1999); (3) Jacobs et al. (2009); (4) HyperLeda; (5) Georgiev et al. (2005).
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