SDSS J033804.40+002740.4

All names: SDSS J033804.39+002740.4, Gaia EDR3 3263917137684738432, SDSS J033804.40+002740.3, WD 0335+002, Gaia DR3 3263917137684738432, SDSS J033804.40+002740.4, Gaia DR2 3263917137684738432

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 03 38 04.42 (0.3) 03 38 04.40 03 38 04.42 (0.4) 03 38 04.39 03 38 04.40 (0.3) 03 38 04.40 03 38 04.10 03 38 04.40
Declination 00 27 40.45 (0.3) 00 27 40.40 00 27 40.45 (0.3) 00 27 40.39 00 27 40.42 (0.3) 00 27 40.40 00 27 40.32 00 27 40.39
Spectral type DA+M DA+M DA+dM DA: DA: DA+M DA
Effective temperature [K] 10157.0 8475.0 (226) 25519.0 (4832) 9902.0 (2406)
log(g) [cgs] 7.19 9.32 (0.2) 6.80 (1) 9.61 (0.7)
Mass [M☉] 0.261 1.37 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2654
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] 1.63 (0.4) 1.84 (0.5) 1.63 (0.4)
Distance [pc] 612.60 (137) 544.00 (143) 543.00 (76) 612.59 (137)
Composition H
Proper motion (right ascension) [mas/yr] 14.1801646 (0.4) 15.39484646 (0.9) 14.18 (0.4) 20.9
Proper motion (declination) [mas/yr] 1.826548693 (0.3) 1.905567485 (0.8) 1.827 (0.3) 15.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.68 (0.2)
H magnitude
K magnitude
u magnitude 19.79 (0.03) 19.81 19.79 (0.03) 19.81 (0.04) 19.80 19.84 (0.04)
g magnitude 19.58 (0.01) 19.57 19.58 (0.01) 19.57 (0.02) 19.57 19.59 (0.02)
r magnitude 19.72 (0.02) 19.71 19.72 (0.02) 19.71 (0.03) 19.71 19.72 (0.02)
i magnitude 19.83 (0.02) 19.88 19.83 (0.02) 19.88 (0.03) 19.88 19.89 (0.03)
z magnitude 20.18 (0.1) 20.07 20.18 (0.1) 20.07 (0.09) 20.07 20.08 (0.09)
G magnitude 19.62 (0.06) 19.69 19.62 (0.005)
BP magnitude 19.76 (0.06) 19.65
RP magnitude 19.58 (0.08) 19.55
Pan g magnitude 19.62 (0.05)
Pan r magnitude 19.74 (0.01)
Pan i magnitude 19.92 (0.01)
Pan z magnitude 20.08 (0.03)
Pan y magnitude 19.92 (0.05)
E(B-V) 0.085

* 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.