SDSS J045017.22-005435.8

All names: Gaia DR2 3226667092484919552, Gaia EDR3 3226667092484919552, SDSS J045017.21-005435.8, Gaia DR3 3226667092484919552, SDSS J045017.22-005435.8, GALEX J045017.2-005436, WD 0447-009, SDSS J045017.22-005435.6

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 04 50 17.23 (0.5) 04 50 17.22 04 50 17.23 (0.8) 04 50 17.22 (0.5) 04 50 17.22 04 50 16.68 04 50 17.22
Declination -00 54 36.16 (0.3) -00 54 35.84 -00 54 36.14 (0.5) -00 54 35.74 (0.3) -00 54 35.78 -00 54 30.60 -00 54 35.64
Spectral type DAM DA+M DA_auto DA DA+M DA
Effective temperature [K] 7034.0 7962.0 (138) 7524.0 (161)
log(g) [cgs] 7.96 8.67 (0.3) 7.96 (0.3)
Mass [M] 0.567
log(Luminosity) [L]
Cooling age [Gyr] 1.4130
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] 4.72 (0.6) 4.36 (0.9) 4.72 (0.6)
Distance [pc] 211.92 (27) 229.61 (50) 211.92 (27)
Composition H
Proper motion (right ascension) [mas/yr] 10.05641103 (0.6) 11.21179325 (2) 10.056 (0.6)
Proper motion (declination) [mas/yr] -25.71670141 (0.5) -25.65060385 (1) -25.717 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.76 (0.06) 20.76 (0.06) (0)
g magnitude 20.35 (0.02) 20.35 (0.02)
r magnitude 20.18 (0.02) 20.18 (0.02) (0)
i magnitude 20.19 (0.03) 20.19 (0.03) (0)
z magnitude 20.28 (0.1) 20.28 (0.1) (0)
G magnitude 20.17 (0.07) 20.23 20.17 (0.006)
BP magnitude 20.28 (0.07) 20.06
RP magnitude 19.95 (0.09) 19.80
Pan g magnitude 20.32 (0.03)
Pan r magnitude 20.20 (0.02)
Pan i magnitude 20.17 (0.02)
Pan z magnitude 20.20 (0.04)
Pan y magnitude 20.06 (0.08)
E(B-V) 0.016

* 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.