TV Corvi
A visual band light curve for TV Corvi, adapted from Howell et al. (1996). The main plot shows the decay from a superoutburt in June of 1994, and the inset plot shows an average of the superhumps seen during that decay. | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12h 20m 24.167s |
| Declination | −18° 27′ 02.15″ |
| Apparent magnitude (V) | 13.0 - 19.5 |
| Characteristics | |
| Spectral type | CV |
| Astrometry | |
| Proper motion (μ) | RA: −23.032 mas/yr Dec.: −2.583 mas/yr |
| Parallax (π) | 3.1215±0.1548 mas |
| Distance | 1,040 ± 50 ly (320 ± 20 pc) |
| Other designations | |
| TV Crv, Tombaugh's Star | |
| Database references | |
| SIMBAD | data |
TV Corvi, also known as Tombaugh's Star, is a dwarf nova of the SU Ursae Majoris type in the constellation Corvus that was first discovered by accident as a mysterious 12th magnitude star on a plate by Clyde Tombaugh while looking for remote planets on May 25, 1932, before its identity was confirmed as a dwarf nova by David Levy in 1990.