WD 0030+145

All names: Gaia EDR3 2780434524599787136, SDSS J003300.77+145109.5, SDSS J003300.80+145109.8, LP 465-42, WDJ003300.79+145109.76, Gaia DR3 2780434524599787136, J0033+1451, WD 0030+145, USNO-B1.0 1048-00005667, SDSS J003300.78+145109.6, Gaia DR2 2780434524599787136, NLTT 1768, LSPM J0033+1451

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 00 33 00.57 (0.1) 00 33 00.78 00 33 00.57 (0.2) 00 33 00.57 00 33 00.79 (0.1) 00 33 00.57 00 33 00.19
Declination 14 51 06.71 (0.08) 14 51 09.57 14 51 06.80 (0.1) 14 51 06.71 14 51 09.76 (0.08) 14 51 06.80 14 51 08.64
Spectral type DQ D D DA: D ___9.4 DC
Effective temperature [K] 5821.0 (21) 5917.0 5669.0 5980.0 (53)
log(g) [cgs] 7.92 (0.02) 8.00 7.84 8.05 (0.02)
Mass [M] 0.524 (0.01) 0.584 0.476 0.618 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.5300 2.3040 2.3900
log(H/He)
log(C/He) -7.2
log(Ca/He)
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] 15.54 (0.1) 15.35 (0.2) 15.35 (0.2) 15.54 15.54 (0.1) 15.35 (0.2)
Distance [pc] 64.37 (0.6) 65.15 (0.8) 65.14 (0.9) 64.37 64.37 (0.6) 65.14 (0.9)
Composition He
Proper motion (right ascension) [mas/yr] -204.9411672 (0.2) -205.0703971 (0.4) -204.941 (0.2) -205.0703971
Proper motion (declination) [mas/yr] -190.7439135 (0.1) -190.7216075 (0.2) -190.744 (0.1) -190.7216075
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10
V magnitude
R magnitude 18.00
I magnitude
J magnitude 17.39 (0.05) 17.39 (0.05)
H magnitude 17.45 (0.08) 17.45 (0.08)
K magnitude 17.80 (0.2)
u magnitude 19.28 (0.02) 19.31 (0.03) 19.29 (0.02) 19.36 (0.03) 19.27
g magnitude 18.56 (0.008) 18.55 (0.008) 18.53 (0.007) 18.56
r magnitude 18.11 (0.007) 18.11 (0.007) 18.11 (0.007) 18.13
i magnitude 17.99 (0.008) 17.98 (0.008) 17.98 (0.008) 17.99
z magnitude 17.99 (0.02) 17.98 (0.02) 17.99 (0.02) 18.01
G magnitude 18.15 (0.01) 18.17 18.15 18.15 (0.003) 18.17
BP magnitude 18.46 (0.01) 18.46 18.46
RP magnitude 17.69 (0.009) 17.67 17.67
Pan g magnitude 18.49 (0.007) 18.49 (0.007)
Pan r magnitude 18.12 (0.005) 18.12 (0.005)
Pan i magnitude 18.01 (0.003) 18.01 (0.004)
Pan z magnitude 18.01 (0.003) 18.01 (0.004)
Pan y magnitude 17.97 (0.02) 17.97 (0.03)
E(B-V) 0.003

* 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.