WD 0749+426

All names: SDSS J075313.28+423001.6, WDJ075313.28+423001.69, 0749+426, TIC 29106185, SDSS J075313.35+422959.1, PM J07532+4230, USNO-B1.0 1325-00229483, Gaia DR3 925532265076649472, SDSS J075313.34+422959.0, LSPM J0753+4230, SDSS J075313.27+423001.6, PSO J118.3058+42.4992, Gaia DR2 925532265076649472, NLTT 18555, SDSS J075313.27+423001.5, 07532+4230, Gaia EDR3 925532265076649472, LP 207-50, 2MASS J07531326+4230019, J0753+4229, WD 0749+426

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Blouin et al. 2019 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Holberg et al. 2008 Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 07 53 13.44 (0.08) 07 53 13.43 (0.1) 07 53 13.43 (0.1) 07 53 13.20 07 53 13.44 07 53 13.28 (0.08) 07 53 13.43 07 53 12.98
Declination 42 29 55.37 (0.07) 42 29 55.57 (0.1) 42 29 55.57 (0.1) 42 30 00.00 42 29 55.37 42 30 01.69 (0.07) 42 29 55.57 42 29 59.64
Spectral type DC DC DC DC DC DC10.9 DC DC DC DC DC11.7 DC DC DC DC DC DC11.7
Effective temperature [K] 4577.0 (8) 4585.0 (53) 4619.0 (7) 4557.7 (43) 4480.0 (60) 4642.0 (74) 4642.0 4325.0 4585.0 (74) 4620.0 (110) 4585.0 4585.0 (74) 4300.0 (300) 4703.0 (37)
log(g) [cgs] 7.82 (0.006) 7.81 (0.04) 7.84 (0.007) 7.80 (0.03) 7.82 (0.02) 7.86 (0.04) 7.87 7.62 8.00 (0) 7.87 (0.05) (0) 8.00 7.90 (0.02)
Mass [M] 0.473 (0.004) 0.467 (0.01) 0.487 (0.005) 0.475 (0.01) 0.497 (0.03) 0.5 0.367 0.58 (0) 0.5 (0.03) 0.58 (0) 0.57 0.518 (0.02)
log(Luminosity) [L] -4.12 -4.20
Cooling age [Gyr] 5.9300 5.7380 (0.4) 5.6410 (0.5) 5.7100 4.0640 7.2900 7.3000
log(H/He) 0.0
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] 36.48 (0.1) 36.48 (0.1) 36.47 (0.2) 36.47 (0.2) 36.47 (0.2) 36.28 (0.2) 36.47 (0.2) 36.00 (1) 36.48 36.48 (0.1) 36.47 (0.2)
Distance [pc] 27.42 (0.08) 27.41 (0.08) 27.42 (0.1) 27.42 (0.1) 27.42 (0.1) 27.56 (0.2) 27.42 (0.1) 24.29 (0.9) 27.80 (2) 17.80 24.60 (0.8) 19.74 18.00 27.42 27.42 (0.08) 27.42 (0.1)
Composition H H H H H H H
Proper motion (right ascension) [mas/yr] 107.5663115 (0.1) 107.6115895 (0.2) 107.566 (0.1) 107.6115895
Proper motion (declination) [mas/yr] -394.8670206 (0.07) -394.8987437 (0.2) -394.867 (0.07) -394.8987437
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude 17.45
R magnitude 16.80
I magnitude
J magnitude 15.69 (0.04) 15.72 (0.1) 15.69 15.69 (0.04)
H magnitude 15.49 (0.04) 15.80 (0.2) 15.49 15.49 (0.04)
K magnitude 15.47 (0.04) 15.47 15.47 (0.04)
u magnitude 19.97 (0.03) 20.07 (0.04) 20.07 (0.04) 1.92
g magnitude 18.08 17.98 (0.003) 18.07 (0.006)
r magnitude 17.19 17.19 (0.001) 17.18 (0.005)
i magnitude 16.88 16.88 (0.004) 16.88 (0.005)
z magnitude 16.73 16.78 (0.002) 16.72 (0.009)
G magnitude 17.23 (0.01) 17.25 17.25 17.23 17.23 (0.003) 17.25
BP magnitude 17.80 (0.01) 17.82 17.82
RP magnitude 16.53 (0.007) 16.54 16.54
Pan g magnitude 17.98 (0.003) 17.98 (0.003) 17.98 (0.003)
Pan r magnitude 17.19 (0.001) 17.19 (0.001) 17.19 (0.001)
Pan i magnitude 16.88 (0.003) 16.88 (0.003) 16.88 (0.004)
Pan z magnitude 16.78 (0.001) 16.78 (0.001) 16.78 (0.002)
Pan y magnitude 16.71 (0.005) 16.71 (0.005) 16.71 (0.005)
E(B-V) 0.000

* Constant surface field

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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.