All names: EC 03403-2420, PHL 1564, GSC 06447-00572, UCAC2 21912351, TIC 89115567, PPMX J034230.5-241115, 2MASS J03423055-2411157, Gaia DR2 5085401880178564608, Gaia DR3 5085401880178564608, WD 0340-243, GALEX J034230.4-241115, Ton S 372, Gaia EDR3 5085401880178564608, UCAC4 330-004178, CMC14 J034230.5-241115, EGGR 415, UCAC3 132-9374, DENIS J034230.5-241115, USNO-B1.0 0658-00039202
| 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.