SDSS J075557.46+193958.7

All names: SDSS J075557.47+193958.7, Gaia DR2 670306577995811840, SDSS J075557.46+193958.6, Gaia EDR3 670306577995811840, WD 0753+197, Gaia DR3 670306577995811840, SDSS J075557.46+193958.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 55 57.46 (0.4) 07 55 57.47 07 55 57.46 (0.5) 07 55 57.47 (0.4) 07 55 57.47 07 55 56.78 07 55 57.47
Declination 19 39 58.69 (0.3) 19 39 58.72 19 39 58.68 (0.3) 19 39 58.66 (0.3) 19 39 58.72 19 39 54.00 19 39 58.72
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 16516.0 19033.0 (683) 19527.0 (719)
log(g) [cgs] 7.67 7.90 (0.1) 7.87 (0.1)
Mass [M] 0.45 0.558 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.0819
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] 1.16 (0.4) 1.45 (0.6) 1.16 (0.4)
Distance [pc] 865.41 (327) 689.30 (268) 865.43 (327)
Composition H
Proper motion (right ascension) [mas/yr] -9.857305735 (0.5) -12.20208368 (1) -9.857 (0.5) -4.1
Proper motion (declination) [mas/yr] 1.654169406 (0.3) 1.064027534 (0.6) 1.654 (0.3) 0.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.89 (0.04) 19.89 (0.04) 19.90 (0.05) 19.90 19.87 (0.05)
g magnitude 19.68 (0.01) 19.68 (0.01) 19.68 (0.02) 19.67 19.67 (0.02)
r magnitude 20.06 (0.02) 20.07 (0.02) 20.11 (0.03) 20.10 20.09 (0.03)
i magnitude 22.78 (0.3) 22.78 (0.3) 20.21 (0.04) 20.20 20.21 (0.04)
z magnitude 21.17 (0.2) 21.17 (0.2) 20.28 (0.1) 20.26 20.27 (0.1)
G magnitude 19.86 (0.05) 19.91 19.86 (0.005)
BP magnitude 19.82 (0.05) 19.67
RP magnitude 20.01 (0.1) 19.73
Pan g magnitude 19.72 (0.03)
Pan r magnitude 20.02 (0.009)
Pan i magnitude 20.30 (0.02)
Pan z magnitude 20.70 (0.07)
Pan y magnitude 20.28 (0.2)
E(B-V) 0.037

* 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.