All names: NLTT 8988, 02486+5423, G 174-14, EGGR 473, WISEA J024835.91+542318.5, LSPM J0248+5423, G174-14, TIC 470881332, LHS 1446, GALEX J024836.1+542321, WDJ024836.43+542322.46, WD 0245+54, USNO-B1.0 1443-00089405, PM J02486+5423, PLX 561.01, 2MASS J02483643+5423225, uvby98 980174014, Gaia DR2 453562088496088320, WD 0245+541, CNS5 704, GJ 3182, USNO 585, J0248+5423, Gaia EDR3 453562088496088320, PSO J042.1491+54.3881, Gaia DR3 453562088496088320
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 | Kilic et al. 2006 | 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 | 02 48 35.65 (0.02) | 02 48 35.68 (0.02) | 02 48 35.68 (0.02) | 02 48 36.24 | 02 48 35.65 | 02 48 36.43 (0.02) | 02 48 35.68 | 02 48 38.59 | |||||||||||||||
Declination | 54 23 16.30 (0.02) | 54 23 16.49 (0.03) | 54 23 16.49 (0.03) | 54 23 20.40 | 54 23 16.30 | 54 23 22.46 (0.02) | 54 23 16.49 | 54 23 34.08 | |||||||||||||||
Spectral type | DAZ | DAZ | DAZ | DAZ | DAZ | DAZ | DAZ | DAZ9.5 | DAZ | DAZ | DAZ | DAZ | DA | DC: | DAZ9 | DC | |||||||
Effective temperature | [K] | 4942.0 (21) | 5048.0 (15) | 4928.6 (10) | 4980.0 (25) | 5002.0 | 5139.0 (82) | 5040.0 (100) | 5319.0 | 5139.0 (82) | 5190.0 | 5190.0 | 5280.0 (120) | 5190.0 (120) | 4991.0 (10) | ||||||||
log(g) | [cgs] | 8.02 (0.02) | 8.10 (0.005) | 8.01 (0.008) | 8.06 (0.02) | 8.07 | 8.23 (0.05) | 8.16 (0.05) | 8.23 (0.05) | 8.20 | 8.22 | 8.28 (0.05) | 8.22 (0.05) | 8.04 (0.005) | |||||||||
Mass | [M☉] | 0.591 (0.01) | 0.644 (0.005) | 0.617 (0.01) | 0.621 | 0.73 (0.03) | 0.68 (0.03) | 0.73 (0.03) | 0.76 (0.03) | 0.73 (0.03) | 0.606 (0.004) | ||||||||||||
log(Luminosity) | [L☉] | -4.12 | -4.13 | -4.11 (0.03) | -4.11 (0.03) | ||||||||||||||||||
Cooling age | [Gyr] | 6.9500 | 6.4780 (0.2) | 6.4520 | 6.5100 | 7.2400 | 6.9300 (0.3) | 6.7700 (0.2) | |||||||||||||||
log(H/He) | |||||||||||||||||||||||
log(C/He) | |||||||||||||||||||||||
log(Ca/He) | |||||||||||||||||||||||
log(Ca/H) | -12.7 | -12.694 | |||||||||||||||||||||
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] | 92.04 (0.03) | 92.04 (0.03) | 92.03 (0.04) | 92.03 (0.04) | 92.03 (0.04) | 92.03 (0.04) | 99.66 (0.3) | 96.60 (3) | 96.60 (3) | 96.60 (3) | 96.60 (3) | 96.60 (3) | 92.04 | 92.04 (0.03) | 92.03 (0.04) | 97.00 (4) | ||||||
Distance | [pc] | 10.87 (0.004) | 10.86 (0.004) | 10.87 (0.005) | 10.87 (0.005) | 10.87 (0.005) | 10.87 (0.005) | 10.03 (0.03) | 10.40 (2) | 10.35 | 10.30 (0.3) | 10.35 | 10.35 (0.3) | 10.35 (0.3) | 10.87 | 10.87 (0.004) | 10.87 (0.005) | 10.31 (0.4) | |||||
Composition | H | H | H | H | H | H | H | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -423.5459309 (0.02) | -423.4497496 (0.08) | -423.546 (0.02) | -423.4497496 | ||||||||||||||||||
Proper motion (declination) | [mas/yr] | -385.2917593 (0.03) | -385.2404973 (0.07) | -385.292 (0.03) | -385.2404973 | ||||||||||||||||||
Variability | |||||||||||||||||||||||
Magnetic | |||||||||||||||||||||||
Bd | [MG] | ||||||||||||||||||||||
Infrared excess (disk) | |||||||||||||||||||||||
Binarity | |||||||||||||||||||||||
B magnitude | 16.28 | 16.28 | 16.28 | 16.25 | |||||||||||||||||||
V magnitude | 15.34 | 15.36 | 15.36 | 15.36 | |||||||||||||||||||
R magnitude | 14.84 | 14.84 | 14.84 | 15.10 | |||||||||||||||||||
I magnitude | 14.36 | 14.36 | 14.36 | ||||||||||||||||||||
J magnitude | 13.86 (0.003) | 13.87 (0.02) | 13.89 | 13.82 | 13.89 | 13.84 | 13.87 (0.02) | ||||||||||||||||
H magnitude | 13.54 (0.04) | 13.54 (0.04) | 13.66 | 13.57 | 13.66 | 13.61 | 13.54 (0.04) | ||||||||||||||||
K magnitude | 13.47 (0.04) | 13.47 (0.04) | 13.60 | 13.49 | 13.60 | 13.53 | 13.47 (0.04) | ||||||||||||||||
u magnitude | |||||||||||||||||||||||
g magnitude | 15.72 (0.003) | ||||||||||||||||||||||
r magnitude | 15.10 (0.0004) | ||||||||||||||||||||||
i magnitude | 14.87 (0.0005) | ||||||||||||||||||||||
z magnitude | 14.74 (0.009) | ||||||||||||||||||||||
G magnitude | 15.12 (0.002) | 15.13 | 15.13 | 15.12 | 15.12 (0.003) | 15.13 | |||||||||||||||||
BP magnitude | 15.59 (0.002) | 15.62 | 15.62 | ||||||||||||||||||||
RP magnitude | 14.48 (0.001) | 14.49 | 14.49 | ||||||||||||||||||||
Pan g magnitude | 15.71 (0.008) | 15.71 (0.008) | 15.72 (0.003) | ||||||||||||||||||||
Pan r magnitude | 15.09 (0.003) | 15.09 (0.004) | 15.10 (0) | ||||||||||||||||||||
Pan i magnitude | 14.86 (0.002) | 14.86 (0.002) | 14.87 (0.001) | ||||||||||||||||||||
Pan z magnitude | 14.76 (0.005) | 14.76 (0.005) | 14.74 (0.009) | ||||||||||||||||||||
Pan y magnitude | 14.72 (0.004) | 14.72 (0.004) | 14.69 (0.005) | ||||||||||||||||||||
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.