SDSS J231948.08+235729.1

All names: Gaia EDR3 2840729715045940480, Gaia DR2 2840729715045940480, SDSS J231948.08+235729.1, SDSS J231948.08+235729.17, Gaia DR3 2840729715045940480

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 23 19 48.08 (1) 23 19 48.08 23 19 48.08 (1) 23 19 48.08 (1)
Declination 23 57 29.09 (1) 23 57 29.17 23 57 29.09 (1) 23 57 29.19 (1)
Spectral type DC: DC: DC: DC
Effective temperature [K] 6761.0 6620.0 8327.0 (352)
log(g) [cgs] 7.21 7.11 8.00 (0)
Mass [M] 0.246 0.203
log(Luminosity) [L]
Cooling age [Gyr] 0.7641 0.8280
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.11 (2) 2.35 (2) 3.11 (2)
Distance [pc] 321.78 (221) 426.03 (408) 321.78 (221)
Composition
Proper motion (right ascension) [mas/yr] -3.948315775 (2) -12.20142437 (4) -3.948 (2)
Proper motion (declination) [mas/yr] -6.494940536 (1) -5.45661505 (2) -6.495 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.48 (0.2) 21.42 (0.1) 21.42 (0.1)
g magnitude 20.91 (0.04) 20.92 (0.04) 20.92 (0.04)
r magnitude 20.82 (0.05) 20.80 (0.05) 20.80 (0.05)
i magnitude 20.77 (0.06) 20.75 (0.07) 20.75 (0.07)
z magnitude 20.68 (0.2) 20.66 (0.2) 20.66 (0.2)
G magnitude 20.74 (0.1) 20.81 20.74 (0.01)
BP magnitude 20.82 (0.1) 20.61
RP magnitude 20.32 (0.1) 20.19
Pan g magnitude 20.79 (0.04)
Pan r magnitude 20.73 (0.02)
Pan i magnitude 20.80 (0.03)
Pan z magnitude 20.56 (0.04)
Pan y magnitude 17.44 (0)
E(B-V) 0.045

* 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.