All names: Gaia EDR3 923712161016200448, TIC 21341153, Gaia DR2 923712161016200448, SDSS J074301.93+410655.2, SDSS J074301.93+410655.0, 2MASS J07430194+4106554, [HHD2009] SDSS J0743+4106, WIRED J074301.93+410655.2, SDSS J074301.94+410655.3, SDSS J074301.93+410655.3, WD 0739+412, GALEX J074301.9+410655, Gaia DR3 923712161016200448
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 43 01.93 (0.06) | 07 43 01.94 | 07 43 01.93 (0.08) | 07 43 01.93 | 07 43 01.94 (0.06) | 07 43 01.94 | 07 43 00.55 | 07 43 01.93 | |||||
| Declination | 41 06 54.72 (0.05) | 41 06 55.06 | 41 06 54.74 (0.06) | 41 06 55.19 | 41 06 55.27 (0.05) | 41 06 55.27 | 41 06 51.48 | 41 06 55.29 | |||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA+ME | DA+M | DA | ||||||
| Effective temperature | [K] | 18974.0 (171) | 20220.0 (240) | 19734.0 (108) | 19796.0 (117) | ||||||||
| log(g) | [cgs] | 7.77 (0.03) | 7.82 (0.04) | 7.40 (0.02) | 7.38 (0.02) | ||||||||
| Mass | [M☉] | 0.5 (0.02) | 0.53 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0447 | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/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(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 4.27 (0.09) | 4.32 (0.1) | 4.27 (0.09) | |||||||||
| Distance | [pc] | 234.38 (5) | 231.29 (6) | 2534.00 (1116) | 234.38 (5) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.465107441 (0.08) | -6.712229898 (0.2) | -6.465 (0.08) | -4.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -34.08134272 (0.06) | -34.27719093 (0.1) | -34.081 (0.06) | -32.5 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.07 (0.04) | ||||||||||||
| H magnitude | 14.49 (0.05) | ||||||||||||
| K magnitude | 14.35 (0.07) | ||||||||||||
| u magnitude | 17.48 (0.01) | 17.50 | 17.50 (0.01) | 17.50 (0.02) | 17.50 | 17.50 (0.02) | |||||||
| g magnitude | 17.31 (0.004) | 17.34 | 17.32 (0.005) | 17.34 (0.02) | 17.34 | 17.34 (0.02) | |||||||
| r magnitude | 17.43 (0.005) | 17.46 | 17.44 (0.006) | 17.46 (0.02) | 17.45 | 17.45 (0.02) | |||||||
| i magnitude | 16.97 (0.005) | 16.96 | 16.96 (0.006) | 16.96 (0.02) | 16.96 | 16.96 (0.02) | |||||||
| z magnitude | 16.41 (0.009) | 16.41 | 16.41 (0.009) | 16.41 (0.02) | 16.41 | 16.40 (0.02) | |||||||
| G magnitude | 17.10 (0.007) | 17.11 | 17.10 (0.003) | ||||||||||
| BP magnitude | 17.39 (0.007) | 17.38 | |||||||||||
| RP magnitude | 16.52 (0.006) | 16.52 | |||||||||||
| Pan g magnitude | 17.34 (0.003) | ||||||||||||
| Pan r magnitude | 17.44 (0.004) | ||||||||||||
| Pan i magnitude | 16.96 (0.003) | ||||||||||||
| Pan z magnitude | 16.52 (0.006) | ||||||||||||
| Pan y magnitude | 16.26 (0.003) | ||||||||||||
| E(B-V) | 0.016 | ||||||||||||
* 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.