All names: WISEA J122024.14-182702.7, [DWS97] Crv 1, Gaia DR3 3519860496622195072, AAVSO 1215-17, Gaia DR2 3519860492326031872, V* TV Crv, WISE J122024.15-182702.9, NAME Tombaugh's Var, NAME Tombaugh's Star
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 12 20 24.14 | 12 20 24.17 (0.1) | |
| Declination | -18 27 02.19 | -18 27 02.15 (0.1) | |
| Spectral type | DC | DC | |
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 3.12 | 3.12 (0.2) |
| Distance | [pc] | 320.36 | 320.36 (16) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -23.032 (0.2) | |
| Proper motion (declination) | [mas/yr] | -2.583 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 18.67 | 18.67 (0.006) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.