WD 1547+565

All names: SDSS J154810.66+562647.7, Gaia EDR3 1598666993137041280, WD 1547+565, SDSS J154810.66+562647.6, Gaia DR3 1598666993137041280, SDSS J154810.65+562647.7, J1548+5626, Gaia DR2 1598666993137041280, GALEX J154810.7+562647

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Koester et al. 2006 Dufour et al. 2005 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 48 10.73 (0.1) 15 48 10.66 15 48 10.66 15 48 10.73 (0.2) 15 48 10.66 (0.1) 15 48 10.65 15 48 10.15 15 48 10.66
Declination 56 26 46.45 (0.1) 56 26 47.70 56 26 47.74 56 26 46.49 (0.2) 56 26 47.73 (0.1) 56 26 47.72 56 26 40.92 56 26 47.73
Spectral type DQ DQ DQ DQ DQ DQ DQ: DQ:
Effective temperature [K] 7911.0 (208) 8119.0 7970.0 (150) 10088.0 (20) 10090.0 (22)
log(g) [cgs] 8.03 8.00 (0) 8.00 (0) 8.00 (0.6) 9.40 (0.5)
Mass [M] 0.5958
log(Luminosity) [L]
Cooling age [Gyr] 1.2000
log(H/He)
log(C/He) -5.4186 (0.1) -5.46 (0.07) -5.09 (0.2)
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] 6.85 (0.2) 6.85 6.85 (0.2) 6.85 (0.2)
Distance [pc] 145.99 (3) 145.91 (4) 145.91 (4) 154.00 145.99 (3)
Composition He He He
Proper motion (right ascension) [mas/yr] 37.43457733 (0.2) 37.08880744 (0.4) 37.435 (0.2) 28.9
Proper motion (declination) [mas/yr] -79.81712204 (0.2) -80.21018072 (0.4) -79.817 (0.2) -75.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.32 (0.02) 19.32 (0.02) 19.32 (0.03) 19.31 19.31 (0.03)
g magnitude 19.03 (0.009) 19.03 (0.009) 19.03 (0.02) 19.02 19.04 (0.02)
r magnitude 19.02 (0.01) 19.02 (0.01) 19.02 (0.02) 19.01 19.03 (0.02)
i magnitude 19.09 (0.02) 19.09 (0.01) 19.09 (0.02) 19.09 19.10 (0.02)
z magnitude 19.24 (0.06) 19.24 (0.06) 19.27 (0.06) 19.26 19.26 (0.06)
G magnitude 18.97 (0.02) 19.00 18.97 (0.004)
BP magnitude 19.06 (0.02) 19.04
RP magnitude 18.84 (0.06) 18.73
Pan g magnitude 19.05 (0.008)
Pan r magnitude 19.02 (0.007)
Pan i magnitude 19.10 (0.007)
Pan z magnitude 19.25 (0.01)
Pan y magnitude 19.33 (0.03)
E(B-V) 0.015

* 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.