EGGR 516

All names: NLTT 4524, LAMOST J012148.20-001053.7, LAMOST J012148.23-001053.0, Gaia EDR3 2534148150521389440, EGGR 516, PB 6394, SDSS J012148.20-001053.8, LP 587-44, G 271-47, FBS 0119-004, WD 0119-00, SDSS J012148.24-001053.00, WDS J01217-0011A, Gaia DR2 2534148150521389440, G 271-47A, Gaia DR3 2534148150521389440, TIC 248946540, SDSS J012148.21-001053.3, ** LDS 3268A, WD0119-004, SDSS J012148.20-001053.7, SDSS J012148.24-001053.0, 2MASS J01214826-0010530, WD 0119-004, GALEX J012148.1-001053, SDSS J012148.20-001053.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Guo et al. 2015 Koester & Kepler 2015 Voss et al. 2007 Koester et al. 2001 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 01 21 48.12 (0.06) 01 21 48.20 01 21 48.12 (0.09) 01 21 48.12 01 21 48.23 (0.06) 01 21 48.21 01 21 48.62 01 21 48.24
Declination -00 10 55.23 (0.04) -00 10 53.80 -00 10 55.16 (0.05) -00 10 55.23 -00 10 53.15 (0.04) -00 10 53.36 -00 10 54.84 -00 10 53.02
Spectral type DB DB DB DB DB DB DBS DB DB
Effective temperature [K] 15508.0 17288.0 14733.0 15864.0 (26) 16542.0 16375.0 (99) 15482.0 (289) 16806.0 (28) 16102.0 (51)
log(g) [cgs] 7.83 8.16 7.92 8.00 (0) 8.00 8.24 (0.06) 7.97 (0.02) 8.22 (0.02) 8.15 (0.03)
Mass [M] 0.499 0.693 0.541 0.574 (0.02) 0.675 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1835
log(H/He) <-6.355 <-5.74
log(C/He)
log(Ca/He) <-7.14
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
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)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 8.97 (0.07) 9.05 (0.1) 8.97 8.97 (0.07)
Distance [pc] 111.52 (0.9) 110.44 (1) 110.00 111.52 111.52 (0.9)
Composition He
Proper motion (right ascension) [mas/yr] -105.0503281 (0.09) -105.1864325 (0.2) -105.05 (0.09) -112.3
Proper motion (declination) [mas/yr] -130.0488527 (0.06) -130.2767231 (0.1) -130.049 (0.06) -129.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 15.04
V magnitude 16.00 15.30
R magnitude
I magnitude
J magnitude 16.56 (0.1)
H magnitude
K magnitude
u magnitude 16.15 (0.006) 16.15 (0.006) 16.18 (0.03) 16.17 16.19 (0.03)
g magnitude 16.25 (0.003) 16.25 (0.003) 16.33 (0.03) 16.32 16.34 (0.03)
r magnitude 16.55 (0.005) 16.55 (0.005) 16.47 (0.02) 16.47 16.48 (0.02)
i magnitude 16.79 (0.005) 16.79 (0.005) 16.78 (0.02) 16.78 16.79 (0.02)
z magnitude 17.12 (0.01) 17.11 (0.01) 17.05 (0.03) 17.05 17.05 (0.03)
G magnitude 16.38 (0.003) 16.41 16.38 16.38 (0.003)
BP magnitude 16.32 (0.003) 16.29
RP magnitude 16.49 (0.006) 16.49
Pan g magnitude 16.29 (0.005)
Pan r magnitude 16.58 (0.004)
Pan i magnitude 16.81 (0.004)
Pan z magnitude 17.02 (0.005)
Pan y magnitude 17.20 (0.007)
E(B-V) 0.006

* 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.