All names: WD 0304-074, Gaia DR3 5179920984941752448, NLTT 9940, WDJ030713.90-071506.24, Gaia DR2 5179920984941553408, SDSS J030713.91-071506.1, LP 651-74, GALEX J030713.7-071506, Gaia EDR3 5179920984941752448, SDSS J030713.90-071506.1, 2MASS J03071392-0715056, [SRH2004] 36, PSO J046.8072-07.2532, TIC 23172500, J0307-0715
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | O'Brien et al. 2024 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Kawka & Vennes 2012 | Bergeron et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 07 13.69 (0.09) | 03 07 13.91 | 03 07 13.70 (0.1) | 03 07 13.69 | 03 07 13.90 (0.09) | 03 07 13.70 | 03 07 13.51 | |||||||||
| Declination | -07 15 13.46 (0.1) | -07 15 06.15 | -07 15 13.23 (0.1) | -07 15 13.46 | -07 15 06.24 (0.1) | -07 15 13.23 | -07 14 53.88 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | |||||||||
| Effective temperature | [K] | 5637.0 (77) | 5846.0 (20) | 5690.0 (40) | 5718.0 | 5660.0 (270) | 5750.0 (190) | 5804.0 (52) | ||||||||
| log(g) | [cgs] | 8.34 (0.04) | 8.42 (0.008) | 8.36 (0.02) | 8.37 | 8.00 (0.2) | 8.00 (0) | 8.41 (0.02) | ||||||||
| Mass | [M☉] | 0.802 (0.03) | 0.861 (0.007) | 0.82 (0.01) | 0.825 | 0.58 (0.1) | 0.59 | 0.852 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 5.7000 | 5.4680 (0.2) | 5.4150 | 2.9000 | 2.5600 | ||||||||||
| log(H/He) | ||||||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | ||||||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(Li/H) | ||||||||||||||||
| log(Be/H) | ||||||||||||||||
| log(B/H) | ||||||||||||||||
| log(C/H) | ||||||||||||||||
| log(N/H) | ||||||||||||||||
| log(O/H) | ||||||||||||||||
| log(Na/H) | ||||||||||||||||
| log(Mg/H) | ||||||||||||||||
| log(Al/H) | ||||||||||||||||
| log(Si/H) | ||||||||||||||||
| log(P/H) | ||||||||||||||||
| log(S/H) | ||||||||||||||||
| log(Cl/H) | ||||||||||||||||
| log(K/H) | ||||||||||||||||
| log(Sc/H) | ||||||||||||||||
| log(Ti/H) | ||||||||||||||||
| log(V/H) | ||||||||||||||||
| log(Cr/H) | ||||||||||||||||
| log(Mn/H) | ||||||||||||||||
| log(Fe/H) | ||||||||||||||||
| log(Co/H) | ||||||||||||||||
| log(Ni/H) | ||||||||||||||||
| log(Cu/H) | ||||||||||||||||
| log(Sr/H) | ||||||||||||||||
| Parallax | [mas] | 32.89 (0.1) | 32.89 (0.1) | 32.86 (0.1) | 32.86 (0.1) | 32.86 (0.1) | 32.89 | 32.89 (0.1) | 32.86 (0.1) | |||||||
| Distance | [pc] | 30.40 (0.1) | 30.40 (0.1) | 30.43 (0.1) | 30.44 (0.1) | 30.44 (0.1) | 37.00 (9) | 38.00 | 30.40 | 30.40 (0.1) | 30.44 (0.1) | |||||
| Composition | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -194.9993063 (0.1) | -195.0414017 (0.2) | -194.999 (0.1) | -195.0414017 | |||||||||||
| Proper motion (declination) | [mas/yr] | -451.2278657 (0.1) | -450.8814002 (0.2) | -451.228 (0.1) | -450.8814002 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | 0.004 (0.004) | ||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 18.00 | 18.03 | ||||||||||||||
| V magnitude | 17.35 | 17.23 | ||||||||||||||
| R magnitude | 16.98 | 16.97 | ||||||||||||||
| I magnitude | 16.62 | |||||||||||||||
| J magnitude | 16.20 (0.04) | 15.82 (0.08) | 16.20 (0.04) | |||||||||||||
| H magnitude | 15.95 (0.04) | 15.95 (0.2) | 15.95 (0.04) | |||||||||||||
| K magnitude | 15.87 (0.05) | 15.87 (0.05) | ||||||||||||||
| u magnitude | 18.71 (0.02) | 18.59 (0.02) | 18.71 (0.02) | 18.71 (0.02) | 18.63 | |||||||||||
| g magnitude | 17.64 (0.005) | 17.57 (0.007) | 17.64 (0.005) | 17.62 | ||||||||||||
| r magnitude | 17.18 (0.005) | 17.17 (0.004) | 17.18 (0.005) | 17.16 | ||||||||||||
| i magnitude | 16.99 (0.005) | 17.03 (0.003) | 16.99 (0.005) | 16.97 | ||||||||||||
| z magnitude | 16.93 (0.01) | 17.00 (0.006) | 16.93 (0.01) | 16.97 | ||||||||||||
| G magnitude | 17.20 (0.01) | 17.21 | 17.20 | 17.20 (0.003) | 17.21 | |||||||||||
| BP magnitude | 17.55 (0.01) | 17.59 | 17.59 | |||||||||||||
| RP magnitude | 16.68 (0.01) | 16.69 | 16.69 | |||||||||||||
| Pan g magnitude | 17.57 (0.009) | 17.57 (0.007) | 17.57 (0.007) | |||||||||||||
| Pan r magnitude | 17.17 (0.004) | 17.17 (0.004) | 17.17 (0.004) | |||||||||||||
| Pan i magnitude | 17.03 (0.003) | 17.03 (0.003) | 17.03 (0.003) | |||||||||||||
| Pan z magnitude | 17.00 (0.006) | 17.00 (0.006) | 17.00 (0.006) | |||||||||||||
| Pan y magnitude | 16.97 (0.005) | 16.97 (0.006) | 16.97 (0.006) | |||||||||||||
| E(B-V) | 0.000 | |||||||||||||||
* 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.