Ross 548
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Cetus |
| Right ascension | 01h 36m 13.60s |
| Declination | −11° 20′ 32.2″ |
| Apparent magnitude (V) | 14.1 |
| Characteristics | |
| Spectral type | DAV4 |
| U−B color index | -0.5 |
| B−V color index | 0.2 |
| Variable type | DAV (ZZ Ceti) |
| Astrometry | |
| Proper motion (μ) |
RA: 454 mas/yr Dec.: -120 mas/yr |
| Parallax (π) | 13 ± 2mas |
| Distance | approx. 250 ly (approx. 80 pc) |
| Other designations | |
|
ZZ Cet, EGGR 10, G 271-106, G 272-52, LTT 873, NLTT 5358, WD 0133-116
|
|
| Database references | |
| SIMBAD | data |
Ross 548 is a variable white dwarf star of the DAV type. It was found to be variable in 1970; in 1972, it was given the variable star designation ZZ Ceti, which also refers to the entire class of DAV variable white dwarfs., pp. 891, 895.
Coordinates: 
01h 36m 13.60s, −11° 20′ 32.2″
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