All names: WDJ040026.68+081406.93, PSO J060.1100+08.2339, J0400+0814, USNO 590, LHS 1617, 04004+0814, Gaia DR2 3301319572621418368, G 7-16, G7-16, CNS5 998, TIC 356733852, PLX 882.01, LSPM J0400+0814, GJ 3259, PM J04004+0814, LTT 11318, WD 0357+081, Gaia EDR3 3301319572621418368, WISEA J040026.43+081402.9, NLTT 12339, G 80-40, 2MASS J04002668+0814069, Gaia DR3 3301319572621418368, USNO-B1.0 0982-00053057, GALEX J040026.5+081405
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Holberg et al. 2016 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Zuckerman et al. 2003 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 04 00 26.29 (0.04) | 04 00 26.30 (0.05) | 04 00 26.30 (0.05) | 04 00 26.64 | 04 00 26.29 | 04 00 26.68 (0.04) | 04 00 26.30 | 04 00 28.03 | ||||||||||||||
Declination | 08 14 00.62 (0.03) | 08 14 00.82 (0.03) | 08 14 00.82 (0.03) | 08 14 06.00 | 08 14 00.62 | 08 14 06.93 (0.03) | 08 14 00.82 | 08 14 24.36 | ||||||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA9.2 | DA | DC | DA | DA | DC9 | DC9 | ||||||||
Effective temperature | [K] | 5461.0 (30) | 5481.0 (6) | 5426.6 (17) | 5460.0 (25) | 5478.0 | 5565.0 (18) | 5450.0 (62) | 5478.0 | 5478.0 (93) | 5490.0 | 5490.0 (130) | 5490.0 (120) | 5604.0 (19) | ||||||||
log(g) | [cgs] | 7.93 (0.02) | 7.95 (0.004) | 7.92 (0.01) | 7.94 (0.02) | 7.95 | 8.05 (0.1) | 8.03 (0.1) | 8.04 (0.1) | 8.03 | 8.02 (0.1) | 8.03 (0.1) | 8.01 (0.007) | |||||||||
Mass | [M☉] | 0.545 (0.01) | 0.555 (0.003) | 0.549 (0.009) | 0.552 | 0.62 (0.08) | 0.6 (0.06) | 0.61 (0.06) | 0.6 (0.06) | 0.6 (0.06) | 0.591 (0.007) | |||||||||||
log(Luminosity) | [L☉] | -3.91 | -3.91 | -3.90 (0.06) | -3.90 (0.06) | |||||||||||||||||
Cooling age | [Gyr] | 2.8200 | 2.8690 (0.1) | 2.8600 | 3.4200 | 3.5800 | 3.4000 (0.9) | 3.8500 (1) | ||||||||||||||
log(H/He) | ||||||||||||||||||||||
log(C/He) | ||||||||||||||||||||||
log(Ca/He) | ||||||||||||||||||||||
log(Ca/H) | <-11.881 | |||||||||||||||||||||
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] | 53.77 (0.04) | 53.77 (0.04) | 53.75 (0.05) | 53.75 (0.05) | 53.75 (0.06) | 53.75 (0.05) | 56.10 (4) | 56.10 (4) | 56.10 (4) | 56.10 (4) | 56.10 (4) | 56.10 (4) | 53.77 | 53.77 (0.04) | 53.75 (0.05) | 56.70 (4) | |||||
Distance | [pc] | 18.60 (0.01) | 18.60 (0.01) | 18.60 (0.02) | 18.60 (0.02) | 18.60 (0.02) | 18.60 (0.02) | 17.83 (1) | 17.80 (1) | 17.82 | 17.80 (1) | 17.46 | 17.83 (1) | 17.83 (1) | 18.60 | 18.60 (0.02) | 18.60 (0.02) | 17.64 (1) | ||||
Composition | H | H | H | H | H | H | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -362.651481 (0.06) | -362.7426096 (0.1) | -362.651 (0.06) | -362.7426096 | |||||||||||||||||
Proper motion (declination) | [mas/yr] | -394.3309898 (0.04) | -394.3075527 (0.07) | -394.331 (0.04) | -394.3075527 | |||||||||||||||||
Variability | ||||||||||||||||||||||
Magnetic | ||||||||||||||||||||||
Bd | [MG] | |||||||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||||||
Binarity | ||||||||||||||||||||||
B magnitude | 16.62 | 16.62 | 16.62 | 16.62 | ||||||||||||||||||
V magnitude | 15.89 | 15.92 | 15.92 | 15.92 | ||||||||||||||||||
R magnitude | 15.51 | 15.51 | 15.51 | 15.40 | ||||||||||||||||||
I magnitude | 15.09 | 15.09 | 15.09 | |||||||||||||||||||
J magnitude | 14.58 (0.004) | 14.56 (0.04) | 14.59 | 14.60 | 14.59 | 14.59 | 14.56 (0.04) | |||||||||||||||
H magnitude | 14.34 (0.06) | 14.34 (0.06) | 14.33 | 14.35 | 14.33 | 14.33 | 14.34 (0.06) | |||||||||||||||
K magnitude | 14.12 (0.06) | 14.12 (0.06) | 14.26 | 14.18 | 14.26 | 14.26 | 14.12 (0.06) | |||||||||||||||
u magnitude | ||||||||||||||||||||||
g magnitude | 16.13 (0.0006) | |||||||||||||||||||||
r magnitude | 15.69 (0.01) | |||||||||||||||||||||
i magnitude | 15.49 (0.006) | |||||||||||||||||||||
z magnitude | 15.44 (0.003) | |||||||||||||||||||||
G magnitude | 15.70 (0.003) | 15.71 | 15.71 | 15.70 | 15.70 (0.003) | 15.71 | ||||||||||||||||
BP magnitude | 16.07 (0.003) | 16.09 | 16.09 | |||||||||||||||||||
RP magnitude | 15.14 (0.002) | 15.16 | 15.16 | |||||||||||||||||||
Pan g magnitude | 16.15 (0.003) | 16.13 (0.0006) | 16.13 (0.001) | |||||||||||||||||||
Pan r magnitude | 15.68 (0.002) | 15.69 (0.01) | 15.69 (0.01) | |||||||||||||||||||
Pan i magnitude | 15.49 (0.003) | 15.49 (0.006) | 15.49 (0.006) | |||||||||||||||||||
Pan z magnitude | 15.44 (0.004) | 15.44 (0.003) | 15.44 (0.003) | |||||||||||||||||||
Pan y magnitude | 15.43 (0.007) | 15.43 (0.004) | 15.43 (0.004) | |||||||||||||||||||
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.