EGGR 513

All names: Gaia DR3 2476337856358290560, SDSS J010324.57-063212.6, CHSS 3842, EGGR 513, TIC 24252344, SDSS J010324.58-063212.7, PHL 962, Gaia DR2 2476337856358290560, Gaia EDR3 2476337856358290560, UCAC4 418-001350, 2MASS J01032454-0632105, BPM 70524, WD 0100-060, NLTT 3486, BPS CS 22183-0027, G 270-124, WD 0100-068, WD 0100-06, uvby98 610160962, LP 646-84, WDJ010324.54-063210.90, UCAC2 29388386, G270-124

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Gaia DR2 Stilism Koester et al. 2014 Bergeron et al. 2011 Desharnais et al. 2008 Beauchamp et al. 1999 Wegner et al. 1987 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 03 24.59 (0.03) 01 03 24.58 (0.05) 01 03 24.59 01 03 24.54 (0.03) 01 03 24.58 01 03 24.67
Declination -06 32 13.76 (0.02) -06 32 13.67 (0.04) -06 32 13.76 -06 32 10.90 (0.02) -06 32 13.67 -06 32 12.12
Spectral type DBA DBA DB DB DB3 DB3
Effective temperature [K] 18300.0 (242) 19800.0 19800.0 (532) 20820.0 22500.0 17000.0 20961.0 (202)
log(g) [cgs] 7.93 (0.01) 8.07 8.07 (0.07) 8.08 8.09 (0.007)
Mass [M] 0.558 (0.008) 0.64 (0.04) 0.652 (0.006)
log(Luminosity) [L] -1.68
Cooling age [Gyr] 0.0912
log(H/He) -5.5 -5.08 (0.9) <-5
log(C/He) -7.3 -7.8
log(Ca/He)
log(Ca/H)
log(N/He) <-7
log(O/He) <-5.9
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He) -7.5 -7.5
log(P/He) <-8.7
log(S/He) <-8
log(Cl/He) <-7.9
log(Sc/He)
log(Ti/He)
log(V/He) <-7.7
log(Cr/He) <-7.7
log(Mn/He)
log(Fe/He) -7.2
log(Co/He) <-7
log(Ni/He) <-7
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He) <-8.4
log(Sr/He)
Parallax [mas] 23.10 (0.03) 22.99 (0.06) 23.10 23.10 (0.03) 22.99 (0.06)
Distance [pc] 43.28 (0.06) 43.50 (0.1) 43.00 43.28 43.28 (0.06) 43.50 (0.1)
Composition He He He
Proper motion (right ascension) [mas/yr] 43.9805191 (0.05) 43.9757662 (0.1) 43.981 (0.05) 43.9757662
Proper motion (declination) [mas/yr] -178.9819061 (0.04) -178.8551951 (0.08) -178.982 (0.04) -178.8551951
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.92 (0.09)
V magnitude 13.95 13.91 (0)
R magnitude
I magnitude
J magnitude 14.41 (0.03)
H magnitude 14.44 (0.05)
K magnitude 14.45 (0.09)
u magnitude 14.40 (0.006) 14.40 (0.006)
g magnitude 14.41 (0.005) 14.41 (0.005)
r magnitude 15.94 (0.02) 15.94 (0.02)
i magnitude 14.98 (0.006) 14.98 (0.006)
z magnitude 15.13 (0.008) 15.13 (0.008)
G magnitude 13.90 (0.001) 13.91 13.90 13.90 (0.003) 13.91
BP magnitude 13.81 (0.001) 13.77 13.77
RP magnitude 14.06 (0.001) 14.06 14.06
Pan g magnitude 13.79 (0.003)
Pan r magnitude 14.09 (0.005)
Pan i magnitude 14.40 (0.001)
Pan z magnitude 14.64 (0.001)
Pan y magnitude 14.80 (0.005)
E(B-V) 0.001

* 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.