SDSS J003131.97+083017.8

All names: SDSS J003131.97+083017.8, Gaia DR3 2749790448339267584, Gaia EDR3 2749790448339267584, SDSS J003131.98+083017.8, Gaia DR2 2749790448339267584

Parameter Unit Gaia EDR3 Stilism Simbad Vincent et al. 2023
Right ascension 00 31 31.98 (0.6) 00 31 31.99 (0.6)
Declination 08 30 17.44 (0.4) 08 30 18.05 (0.4)
Spectral type DC DC
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.68 (0.7) 5.68 (0.7)
Distance [pc] 176.00 (21) 176.00 (21)
Composition
Proper motion (right ascension) [mas/yr] -9.216 (0.9) -9.216 (0.9)
Proper motion (declination) [mas/yr] -38.631 (0.7) -38.631 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.11 (0.09)
g magnitude 20.66 (0.03)
r magnitude 20.35 (0.03)
i magnitude 20.34 (0.04)
z magnitude 20.47 (0.2)
G magnitude 20.37 (0.007) 20.37 (0.007)
BP magnitude 20.48 (0.08)
RP magnitude 19.98 (0.1)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.