WD 0155+003

All names: Gaia EDR3 2507882875023059456, Gaia DR2 2507882875023059456, SDSS J015748.15+003315.2, SDSS J015748.15+003315.0, Gaia DR3 2507882875023059456, SDSS J015748.14+003315.0, WD 0155+003, SDSS J015748.15+003315.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Hollands et al. 2017 Stilism Ferrario et al. 2015 Hollands et al. 2015 Koester et al. 2011 Harris et al. 2003 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 01 57 48.17 (0.3) 01 57 48.15 01 57 48.17 (0.5) 01 57 48.17 01 57 48.15 (0.3) 01 57 48.00
Declination 00 33 14.67 (0.2) 00 33 15.02 00 33 14.69 (0.3) 00 33 14.67 00 33 15.14 (0.2) 00 33 11.52
Spectral type DZ DZ DZ DZ DZH: DZ DZP DZH: DZ
Effective temperature [K] 6110.0 (140) 5700.0 5700.0 6300.0 5892.0 (196)
log(g) [cgs] 8.00 (0) 8.05 (0.08)
Mass [M] 0.601 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 3.1000
log(H/He)
log(C/He)
log(Ca/He) -8.2 -8.1
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He) -7.39 -7.1
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He) -7.69 -7.5
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 9.02 (0.4) 9.28 (0.6) 9.02 9.02 (0.4)
Distance [pc] 110.89 (5) 107.80 (6) 120.00 (16) 110.89 110.89 (5)
Composition He He
Proper motion (right ascension) [mas/yr] 23.69017631 (0.5) 24.14808651 (0.8) 23.69 (0.5)
Proper motion (declination) [mas/yr] -29.27435414 (0.3) -29.78889677 (0.7) -29.274 (0.3)
Variability
Magnetic yes yes yes yes
Bd [MG] 3.49 (0.05) 3.49 * (0.05) 3.49 (0.05)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.27 (0.08) 21.30 (0.07) 21.30 (0.07) 21.26 (0.1) 21.59 21.27 (0.08) 21.59
g magnitude 19.60 (0.01) 19.59 (0.02) 19.59 (0.02) 19.57 (0.02) 19.59 19.60 (0.01) 19.59
r magnitude 19.20 (0.01) 19.19 (0.02) 19.19 (0.02) 19.12 (0.02) 19.19 19.20 (0.01) 19.19
i magnitude 19.21 (0.02) 19.21 (0.02) 19.21 (0.02) 19.24 (0.03) 19.16 19.21 (0.01) 19.16
z magnitude 19.38 (0.05) 19.36 (0.05) 19.36 (0.05) 19.35 (0.05) 19.29 19.38 (0.05) 19.29
G magnitude 19.28 (0.03) 19.31 19.28 19.28 (0.004)
BP magnitude 19.62 (0.03) 19.53
RP magnitude 18.92 (0.04) 18.85
Pan g magnitude 19.50 (0.01)
Pan r magnitude 19.21 (0.01)
Pan i magnitude 19.24 (0.006)
Pan z magnitude 19.34 (0.02)
Pan y magnitude 19.36 (0.02)
E(B-V) 0.007

* 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.