SDSS J080239.53+232423.5

All names: Gaia DR3 680387312916322816, Gaia EDR3 680387312916322816, Gaia DR2 680387312916322816, WD 0759+235, SDSS J080239.54+232423.5, SDSS J080239.53+232423.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 08 02 39.54 (0.7) 08 02 39.53 08 02 39.54 (0.9) 08 02 39.53 08 02 39.54 (0.7) 08 02 39.54 08 02 39.79 08 02 39.54
Declination 23 24 23.39 (0.5) 23 24 23.50 23 24 23.40 (0.5) 23 24 23.51 23 24 23.48 (0.5) 23 24 23.51 23 24 22.68 23 24 23.50
Spectral type WD+M WD+M WD+M DA+M DA_auto DA DA+M
Effective temperature [K] 10251.0 10584.0 24514.0 (1121) 24963.0 (1113)
log(g) [cgs] 8.30 8.29 7.85 (0.3) 7.69 (0.3)
Mass [M☉] 0.791 0.765
log(Luminosity) [L☉]
Cooling age [Gyr] 0.8912 0.8260
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.65 (0.9) 2.86 (1) 2.65 (0.9)
Distance [pc] 377.32 (128) 349.92 (129) 284.00 (37) 377.32 (128)
Composition
Proper motion (right ascension) [mas/yr] 2.931363502 (0.8) 3.572955734 (2) 2.931 (0.8) 3.7
Proper motion (declination) [mas/yr] -5.487111857 (0.6) -5.093114196 (1) -5.487 (0.6) -7.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.52 (0.09)
H magnitude
K magnitude
u magnitude 20.04 (0.04) 20.08 20.06 (0.04) 20.08 (0.04) 20.07 20.06 (0.04)
g magnitude 20.13 (0.02) 20.16 20.15 (0.02) 20.16 (0.02) 20.15 20.14 (0.02)
r magnitude 20.50 (0.03) 20.51 20.51 (0.03) 20.51 (0.04) 20.50 20.50 (0.03)
i magnitude 20.52 (0.04) 20.50 20.50 (0.04) 20.50 (0.04) 20.49 20.50 (0.04)
z magnitude 20.59 (0.1) 20.61 20.63 (0.1) 20.61 (0.1) 20.60 20.62 (0.1)
G magnitude 20.26 (0.08) 20.34 20.26 (0.008)
BP magnitude 20.29 (0.08) 20.13
RP magnitude 20.23 (0.1) 19.91
Pan g magnitude 20.20 (0.02)
Pan r magnitude 20.47 (0.01)
Pan i magnitude 20.58 (0.02)
Pan z magnitude 20.39 (0.03)
Pan y magnitude
E(B-V) 0.022

* 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.