WD 2358-002

All names: LEDA 98, GALEX J000116.5+000204, UM 194, Gaia DR2 2546038264968976768, PB 5685, [VV2003] J000116.6+000207, SDSS J000116.49+000204.45, SDSS J000116.49+000204.4, [VV98] J000116.6+000207, USNO-A2.0 0900-00005215, Gaia EDR3 2546038264968976768, SDSS J000116.53+000205.4, WD 2358-002, SDSS J000116.50+000204.9, SDSS J000116.49+000204.8, QSO B2358-0014, SDSS J000116.50+000204.8, Gaia DR3 2546038264968976768, ZYCJ 2358-002, [VV2000] J000116.6+000207, [VV96] J000116.6+000207

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 00 01 16.48 (0.2) 00 01 16.50 00 01 16.50 00 01 16.48 (0.3) 00 01 16.48 00 01 16.51 (0.2) 00 01 15.77
Declination 00 02 04.29 (0.2) 00 02 04.84 00 02 04.84 00 02 04.31 (0.2) 00 02 04.29 00 02 05.08 (0.2) 00 02 12.12
Spectral type DBA DBA DB DBA DC DB
Effective temperature [K] 11304.0 11238.0 10295.0 10985.0 (130) 11107.0 (90) 11399.0 (580)
log(g) [cgs] 7.73 7.87 7.75 8.00 (0) 8.00 (0) 8.19 (0.08)
Mass [M] 0.44 0.51 0.444 0.699 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.4197
log(H/He) -5.965 <-5.74
log(C/He)
log(Ca/He) <-10.62
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] 4.80 (0.3) 4.03 (0.4) 4.80 4.80 (0.3)
Distance [pc] 208.54 (11) 247.93 (23) 220.00 208.54 208.54 (11)
Composition He
Proper motion (right ascension) [mas/yr] -23.44476155 (0.3) -23.13987207 (0.6) -23.445 (0.3)
Proper motion (declination) [mas/yr] -49.87478366 (0.2) -49.21372081 (0.4) -49.875 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude 18.50
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.86 (0.02) 18.87 (0.02) 18.87 (0.02) 18.87 (0.02) 18.89
g magnitude 18.78 (0.008) 18.78 (0.008) 18.78 (0.01) 18.78 (0.008) 18.80
r magnitude 18.91 (0.01) 18.90 (0.01) 18.90 (0.01) 18.90 (0.01) 18.92
i magnitude 19.05 (0.01) 19.04 (0.01) 19.04 (0.01) 19.04 (0.01) 19.06
z magnitude 19.24 (0.05) 19.23 (0.05) 19.23 (0.05) 19.23 (0.05) 19.16
G magnitude 18.80 (0.02) 18.84 18.80 18.80 (0.003)
BP magnitude 18.86 (0.02) 18.76
RP magnitude 18.83 (0.03) 18.70
Pan g magnitude 18.81 (0.01)
Pan r magnitude 18.90 (0.006)
Pan i magnitude 19.09 (0.008)
Pan z magnitude 19.22 (0.01)
Pan y magnitude 19.30 (0.03)
E(B-V) 0.020

* 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.