G 175-34B

All names: ASCC 176743, Gaia EDR3 470826482637310848, ** STI 2051B, LSPM J0431+5858E, EGGR 180, CSI+58-04268 2, AC +58 2500, Gaia DR2 470826482635701376, LHS 27, WD 0426+588, CCDM J04312+5858B, 04312+5858, USNO 808, Zkh 63, CNS5 1121, G 175-34B, KPD 0426+5852, WDS J04312+5858B, TYC 3744-412-1, USNO 121, J0431+5858, WDJ043112.57+585841.29, TYC 3744-2062-1, Gaia DR3 470826482637310848, Stein 2051B, GJ 169.1 B, UCAC4 745-033849, 8pc 181.36B, NAME Stein 2051 B, PM J04312+5858, UBV 4296, G175-34B, IDS 04224+5849 B, NLTT 13375

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Gaia DR2 Tremblay et al. 2017 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Holberg et al. 2008 Bergeron et al. 2001 Wegner et Yackovich 1983 Koester et al. 1982a Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 31 15.33 (0.01) 04 31 15.25 (0.04) 04 31 15.25 (0.04) 04 31 11.28 04 31 15.33 04 31 12.57 (0.01) 04 31 15.25 04 31 06.02
Declination 58 58 10.13 (0.01) 58 58 11.11 (0.04) 58 58 11.11 (0.04) 58 58 37.20 58 58 10.13 58 58 41.29 (0.01) 58 58 11.11 58 59 39.48
Spectral type DC DC DC DC DC DC DC7.1 DC DC DC DC DC DC5 DC5
Effective temperature [K] 7011.0 (40) 6936.0 (136) 7050.0 (20) 7180.0 (180) 7179.0 (182) 7130.0 (182) 7178.0 7178.0 (182) 7120.0 (180) 6800.0 (300) 6500.0 (500) 6722.0 (20)
log(g) [cgs] 8.10 (0.02) 8.04 (0.03) 8.11 (0.008) 8.10 (0.02) 8.15 (0.01) 8.18 (0.02) 8.17 (0.01) 8.00 8.04 (0.005)
Mass [M] 0.635 (0.01) 0.595 (0.03) 0.69 (0.02) 0.67 (0) 0.69 (0.02) 0.68 (0) 0.4 (0.1) 0.595 (0.004)
log(Luminosity) [L] -3.52 -3.52 -3.54 (0.01)
Cooling age [Gyr] 1.7500 2.0200 2.0200 2.0800 (0.02)
log(H/He) -3.4 <-3
log(C/He) -6.7 -7
log(Ca/He)
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] 181.27 (0.02) 181.27 (0.02) 181.28 (0.05) 181.28 (0.05) 181.28 (0.05) 181.50 (0.7) 180.53 (0.8) 180.70 (0.8) 181.36 (4) 180.73 (0.8) 180.60 (0.8) 0.18 181.27 181.27 (0.02) 181.28 (0.05) 181.20 (1)
Distance [pc] 5.52 (0.0006) 5.52 (0.0006) 5.52 (0.002) 5.52 (0.001) 5.52 (0.001) 5.51 (0.02) 5.54 (0.02) 5.50 (2) 5.53 5.51 (0.1) 5.53 5.54 (0.02) 5464.48 5.52 5.52 (0.0006) 5.52 (0.001) 5.52 (0.03)
Composition He He He He He He He
Proper motion (right ascension) [mas/yr] 1334.779693 (0.02) 1335.041575 (0.08) 1334.78 (0.02) 1335.041575
Proper motion (declination) [mas/yr] -1947.638151 (0.02) -1947.631857 (0.09) -1947.638 (0.02) -1947.631857
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude 12.73 12.73 12.77 (0.3)
V magnitude 12.44 (0.05) 12.43 12.43 12.43
R magnitude 12.17 12.17 12.80
I magnitude 11.86 11.86
J magnitude 11.84 (0.03) 11.84 11.84
H magnitude 11.73 (0.03) 11.73 11.73
K magnitude 11.68 (0.03) 11.68 11.68
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.34 (0.0007) 12.35 12.35 12.34 12.34 (0.003) 12.35
BP magnitude 12.49 (0.0007) 12.49 12.49
RP magnitude 12.05 (0.0005) 12.06 12.06
Pan g magnitude 12.90 (0.1) 12.90 (0.1)
Pan r magnitude 0.00 (0)
Pan i magnitude 13.56 (0.001) 13.55 (0.001)
Pan z magnitude 13.16 (0.01) 13.16 (0.01)
Pan y magnitude 12.62 (0.02) 12.62 (0.02)
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.