All names: 2MASS J03423055-2411157, DENIS J034230.5-241115, EC 03403-2420, GALEX J034230.4-241115, CMC14 J034230.5-241115, Gaia DR3 5085401880178564608, USNO-B1.0 0658-00039202, UCAC2 21912351, WD 0340-243, GSC 06447-00572, EGGR 415, PHL 1564, Gaia DR2 5085401880178564608, Gaia EDR3 5085401880178564608, UCAC3 132-9374, UCAC4 330-004178, PPMX J034230.5-241115, TIC 89115567, Ton S 372
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 03 42 30.56 (0.02) | 03 42 30.56 (0.02) | 03 42 30.55 (0.02) | 03 42 26.98 | |||
| Declination | -24 11 15.68 (0.02) | -24 11 15.68 (0.03) | -24 11 15.63 (0.02) | -24 10 30.00 | |||
| Spectral type | sdO(+F) | DAWK | |||||
| 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] | 0.62 (0.03) | 0.83 (0.05) | 0.61 (0.03) | |||
| Distance | [pc] | 1625.94 (85) | 1200.91 (68) | 1626.02 (85) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 2.405224785 (0.02) | 2.523 (0.06) | 2.405 (0.02) | |||
| Proper motion (declination) | [mas/yr] | -3.33987971 (0.03) | -3.076 (0.07) | -3.34 (0.03) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 14.73 (0.02) | ||||||
| V magnitude | 14.85 (0.02) | ||||||
| R magnitude | 15.39 (0.1) | ||||||
| I magnitude | 14.77 (0.05) | ||||||
| J magnitude | 14.72 (0.04) | ||||||
| H magnitude | 14.46 (0.05) | ||||||
| K magnitude | 14.58 (0.1) | ||||||
| u magnitude | |||||||
| g magnitude | 14.68 (0.05) | ||||||
| r magnitude | 15.03 (0.02) | ||||||
| i magnitude | 15.01 (0.01) | ||||||
| z magnitude | |||||||
| G magnitude | 14.78 (0.001) | 14.80 | 14.78 (0.003) | ||||
| BP magnitude | 14.71 (0.001) | 14.65 | |||||
| RP magnitude | 14.83 (0.001) | 14.83 | |||||
| Pan g magnitude | 14.74 (0.008) | ||||||
| Pan r magnitude | 14.98 (0.003) | ||||||
| Pan i magnitude | 15.17 (0.002) | ||||||
| Pan z magnitude | 15.30 (0.003) | ||||||
| Pan y magnitude | 15.37 (0.005) | ||||||
| E(B-V) | 0.013 | ||||||
* 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.