GD 337

All names: SBSS 1433+538, WIRED J143443.24+533521.2, 2MASS J14344329+5335212, WD 1433+53, SDSS J143443.25+533521.6, SBC9 3377, [HHD2009] SDSS J1434+5335, Gaia DR3 1606753179605063936, SDSS J143443.10+533521.4, TIC 357389336, Gaia DR2 1606753179605063936, LAMOST J143443.24+533521.2, [SGR2010] J1434+5335, USNO 481, WD 1433+538, CBS 276, Gaia EDR3 1606753179605063936, PG 1433+538, EGGR 363, PLX 3302.02, GD 337, SDSS J143443.24+533521.2, SDSS J143443.25+533521.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Gianninas et al. 2011 Tremblay et al. 2011 Liebert et al. 2005 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 14 34 43.06 (0.02) 14 34 43.24 14 34 43.06 (0.04) 14 34 43.24 14 34 43.06 14 34 43.29 (0.02) 14 34 43.25 14 34 43.18 14 34 43.25
Declination 53 35 21.56 (0.02) 53 35 21.25 53 35 21.55 (0.04) 53 35 21.19 53 35 21.56 53 35 21.19 (0.02) 53 35 21.24 53 35 25.80 53 35 21.24
Spectral type DA+M DA+M DA DA DA DA3+K DA+M DA+DK DA+M DA+MS
Effective temperature [K] 9304.0 21785.0 (209) 23260.0 (379) 23380.0 (170) 22410.0 (358) 21203.0 (134) 21529.0 (129)
log(g) [cgs] 6.36 7.74 (0.04) 7.82 (0.05) 7.80 (0.02) 7.80 (0.05) 7.64 (0.02) 7.70 (0.02)
Mass [M] 0.096 0.49 (0.02) 0.54 (0.02) 0.53 (0.01) 0.53 (0.02)
log(Luminosity) [L] -1.28
Cooling age [Gyr] 0.0229 0.0355
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 6.86 (0.03) 6.83 (0.05) 6.86 6.86 (0.03) 2.40 (53)
Distance [pc] 145.86 (0.6) 146.44 (1) 768.00 (89) 149.00 148.00 145.86 145.86 (0.6) 416.67 (9201)
Composition H H H
Proper motion (right ascension) [mas/yr] -132.505537 (0.03) -132.5380126 (0.08) -132.506 (0.03) -130.0
Proper motion (declination) [mas/yr] 23.53338821 (0.03) 23.50862302 (0.08) 23.533 (0.03) 22.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS WDMS
B magnitude 16.06
V magnitude 16.09 16.09
R magnitude
I magnitude
J magnitude 14.67 (0.04)
H magnitude 14.22 (0.05)
K magnitude 13.92 (0.04)
u magnitude 15.94 (0.005) 15.92 15.94 (0.005) 15.92 (0.02) 15.92 15.96 (0.02)
g magnitude 15.93 (0.004) 15.94 15.93 (0.004) 15.94 (0.02) 15.94 15.97 (0.02)
r magnitude 16.26 (0.004) 16.25 16.26 (0.004) 16.25 (0.01) 16.25 16.26 (0.01)
i magnitude 16.17 (0.005) 16.19 16.17 (0.005) 16.19 (0.01) 16.19 16.19 (0.01)
z magnitude 15.90 (0.007) 15.93 15.90 (0.007) 15.93 (0.02) 15.93 15.92 (0.02)
G magnitude 15.99 (0.002) 16.00 15.99 15.99 (0.003)
BP magnitude 16.04 (0.002) 16.00
RP magnitude 15.78 (0.003) 15.79
Pan g magnitude 15.98 (0.004)
Pan r magnitude 16.27 (0.004)
Pan i magnitude 16.19 (0.003)
Pan z magnitude 15.98 (0.003)
Pan y magnitude 15.81 (0.006)
E(B-V) 0.014

* 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.