SDSS J153010.74+403823.6

All names: SDSS J153010.74+403823.5, SDSS J153010.75+403823.6, Gaia EDR3 1389771771112733696, SDSS J153010.74+403823.6, Gaia DR2 1389771771112733696, Gaia DR3 1389771771112733696, SDSS J153010.75+403823.5, WD 1528+408

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 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 30 10.76 (0.1) 15 30 10.74 15 30 10.76 (0.1) 15 30 10.76 15 30 10.74 (0.1) 15 30 10.75 15 30 10.25 15 30 10.75
Declination 40 38 22.17 (0.1) 40 38 23.63 40 38 22.22 (0.2) 40 38 22.17 40 38 23.99 (0.1) 40 38 23.57 40 38 17.52 40 38 23.57
Spectral type DA DA DA DA DA: DA: DA DA
Effective temperature [K] 6751.0 6970.0 (100) 6965.0 (145) 7365.0 (58) 6851.0 (58)
log(g) [cgs] 7.59 7.68 (0.2) 7.65 (0.05) 8.09 (0.2) 7.43 (0.1)
Mass [M] 0.381 0.43 (0.07) 0.406 (0.03) 0.356 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 1.0120 2.0893
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] 7.52 (0.1) 7.61 (0.2) 7.52 7.52 (0.1)
Distance [pc] 133.06 (3) 131.45 (3) 133.06 133.06 (3)
Composition H H
Proper motion (right ascension) [mas/yr] 17.04829354 (0.1) 16.73428578 (0.3) 17.048 (0.1) 17.5
Proper motion (declination) [mas/yr] -113.9049197 (0.2) -113.4762432 (0.3) -113.905 (0.2) -118.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.44 (0.03) 19.44 (0.03) 19.47 (0.04) 19.46 19.45 (0.04)
g magnitude 18.84 (0.009) 18.84 (0.009) 18.87 (0.02) 18.86 18.85 (0.02)
r magnitude 18.63 (0.009) 18.63 (0.009) 18.64 (0.02) 18.63 18.63 (0.02)
i magnitude 18.56 (0.01) 18.56 (0.01) 18.57 (0.02) 18.56 18.56 (0.02)
z magnitude 18.59 (0.03) 18.59 (0.03) 18.64 (0.03) 18.62 18.61 (0.03)
G magnitude 18.62 (0.02) 18.64 18.62 18.62 (0.003)
BP magnitude 18.84 (0.02) 18.80
RP magnitude 18.28 (0.02) 18.27
Pan g magnitude 18.84 (0.005)
Pan r magnitude 18.65 (0.01)
Pan i magnitude 18.60 (0.005)
Pan z magnitude 18.63 (0.01)
Pan y magnitude 18.59 (0.07)
E(B-V) 0.017

* 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.