SDSS J003300.59+284504.8

All names: SDSS J003300.58+284504.8, Gaia DR3 2857867974583987200, Gaia EDR3 2857867974583987200, J0033+2845, SDSS J003300.59+284504.8, Gaia DR2 2857867974583987200, SDSS J003300.59+284504.80

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 00 33 00.61 (0.8) 00 33 00.59 00 33 00.55 00 33 00.61 (1) 00 33 00.55 (0.8)
Declination 28 45 04.83 (0.7) 28 45 04.80 28 45 04.73 28 45 04.82 (1) 28 45 04.75 (0.7)
Spectral type DZ DZ DZ DZ DZ
Effective temperature [K] 7117.0 (353) 6940.0 11158.0 (270)
log(g) [cgs] 7.35 7.40 8.00 (0)
Mass [M] 0.2725 0.306
log(Luminosity) [L]
Cooling age [Gyr] 0.7770 0.8163
log(H/He) <-4.467
log(C/He)
log(Ca/He) -11.0877 (0.2) -8.387
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.24 (1) 2.49 2.49 (1) 2.24 (1)
Distance [pc] 446.63 (199) 401.21 (218) 401.21 (218) 446.63 (199)
Composition He He He
Proper motion (right ascension) [mas/yr] 47.48968472 (1) 48.33674318 (2) 47.49 (1)
Proper motion (declination) [mas/yr] 4.541580198 (0.9) 6.165408753 (2) 4.542 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.45 (0.1) 21.40 (0.1) 21.40 (0.1)
g magnitude 20.91 (0.03) 20.89 (0.03) 20.91 (0.03)
r magnitude 20.72 (0.03) 20.70 (0.04) 20.70 (0.04)
i magnitude 20.76 (0.05) 20.77 (0.05) 20.77 (0.05)
z magnitude 20.72 (0.2) 20.67 (0.2) 20.67 (0.2)
G magnitude 20.71 (0.09) 20.80 20.71 (0.01)
BP magnitude 20.76 (0.09) 20.73
RP magnitude 20.21 (0.2) 20.31
Pan g magnitude 20.74 (0.03)
Pan r magnitude 20.72 (0.02)
Pan i magnitude 20.80 (0.02)
Pan z magnitude 20.70 (0.04)
Pan y magnitude
E(B-V) 0.057

* 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.