SDSS J154305.67+343223.6

All names: SDSS J154305.67+343223.6, SDSS J154305.66+343223.6, WD 1541+346, SDSS J154305.67+343223.7, Gaia DR2 1371181507683913856, GALEX J154305.6+343224, Gaia DR3 1371181507683913856, Gaia EDR3 1371181507683913856

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 43 05.67 (0.09) 15 43 05.67 15 43 05.67 (0.1) 15 43 05.67 15 43 05.67 15 43 05.68 (0.09) 15 43 05.67 15 43 05.76 15 43 05.67
Declination 34 32 23.64 (0.1) 34 32 23.69 34 32 23.64 (0.1) 34 32 23.60 34 32 23.64 34 32 23.66 (0.1) 34 32 23.68 34 32 21.12 34 32 23.68
Spectral type DAH DA DA DAH DA DAH DA DA DAH DA
Effective temperature [K] 29553.8 (563) 26834.0 25000.0 28299.0 (1746) 30453.0 (350) 30620.0 (335)
log(g) [cgs] 8.88 (0.2) 8.81 8.00 (0) 8.84 (0.07) 9.00 (0.009) 9.24 (0.07)
Mass [M] 1.1509289356299846 (0.2) 1.116 1.13 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1475
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 4.01 (0.1) 4.06 (0.2) 4.01 4.01 (0.1)
Distance [pc] 249.26 (8) 246.57 (1e+01) 249.26 249.26 (8)
Composition H H
Proper motion (right ascension) [mas/yr] -4.693060646 (0.1) -4.759695431 (0.3) -4.693 (0.1) -0.9
Proper motion (declination) [mas/yr] -1.724418475 (0.1) -1.545274543 (0.3) -1.724 (0.1) 0.8
Variability
Magnetic yes yes yes
Bd [MG] 2.649115696071357 4.09 (3) 4.09 (3)
Infrared excess (disk)
Binarity
B magnitude 17.93
V magnitude 18.55
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.07 (0.01) 18.07 (0.01) 18.10 (0.02) 18.09 18.10 (0.02)
g magnitude 18.32 (0.007) 18.32 (0.007) 18.33 (0.02) 18.33 18.33 (0.02)
r magnitude 18.75 (0.009) 18.75 (0.009) 18.77 (0.01) 18.76 18.76 (0.01)
i magnitude 19.11 (0.01) 19.11 (0.01) 19.11 (0.03) 19.10 19.10 (0.03)
z magnitude 19.46 (0.05) 19.46 (0.05) 19.44 (0.05) 19.43 19.47 (0.05)
G magnitude 18.56 (0.01) 18.60 18.56 18.56 (0.003)
BP magnitude 18.46 (0.01) 18.39
RP magnitude 18.89 (0.04) 18.83
Pan g magnitude 18.39 (0.01)
Pan r magnitude 18.79 (0.006)
Pan i magnitude 19.15 (0.007)
Pan z magnitude 19.43 (0.01)
Pan y magnitude 19.57 (0.06)
E(B-V) 0.022

* 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.