SDSS J144048.37+062617.7

All names: Gaia DR3 1171211743096194560, USNO-B1.0 0964-00236325, SDSS J144048.37+062617.8, SDSS J144048.38+062617.7, Gaia DR2 1171211743096194560, SDSS J144048.38+062617.8, J1440+0626, SDSS J144048.37+062617.7, Gaia EDR3 1171211743096194560, WDJ144048.42+062617.43, GALEX J144048.2+062618, LSPM J1440+0626

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 40 48.20 (0.2) 14 40 48.37 14 40 48.21 (0.2) 14 40 48.20 14 40 48.42 (0.2) 14 40 48.21 14 40 48.38
Declination 06 26 19.18 (0.1) 06 26 17.78 06 26 19.13 (0.2) 06 26 19.18 06 26 17.43 (0.1) 06 26 19.13 06 26 17.79
Spectral type DA DA DA DA DA DA DA
Effective temperature [K] 6962.0 (64) 6961.0 (66) 6894.0 7039.0 (181) 6852.0 (62)
log(g) [cgs] 8.87 (0.02) 8.86 (0.02) 8.85 8.90 (0.04) 8.76 (0.1)
Mass [M☉] 1.132 (0.01) 1.129 (0.01) 1.122 1.151 (0.02) 1.046 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr] 4.8000 4.3740
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] 18.06 (0.2) 17.84 (0.3) 17.84 (0.3) 18.06 18.06 (0.2) 17.84 (0.3)
Distance [pc] 55.36 (0.6) 56.05 (0.8) 56.04 (0.8) 55.36 55.36 (0.6) 56.04 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] -208.293127 (0.2) -208.273184 (0.5) -208.293 (0.2) -208.273184
Proper motion (declination) [mas/yr] 109.5257942 (0.2) 109.3523184 (0.4) 109.526 (0.2) 109.3523184
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.70
V magnitude
R magnitude 18.60
I magnitude
J magnitude 18.05 (0.05) 18.05 (0.05)
H magnitude 17.74 (0.1) 17.70 (0.1)
K magnitude 17.90 (0.2) 17.90 (0.2)
u magnitude 19.42 (0.03) 19.41 (0.03) 19.41 (0.03) 19.41 (0.03) 19.41 (0.03)
g magnitude 18.83 (0.009) 18.83 (0.009) 18.83 (0.009) 18.84 (0.02)
r magnitude 18.64 (0.009) 18.64 (0.009) 18.64 (0.009) 18.65 (0.01)
i magnitude 18.59 (0.01) 18.59 (0.01) 18.59 (0.01) 18.59 (0.02)
z magnitude 18.53 (0.03) 18.53 (0.03) 18.53 (0.03) 18.54 (0.03)
G magnitude 18.62 (0.03) 18.65 18.62 18.62 (0.004) 18.65
BP magnitude 18.86 (0.03) 18.86 18.86
RP magnitude 18.32 (0.03) 18.26 18.26
Pan g magnitude 18.83 (0.01) 18.83 (0.01)
Pan r magnitude 18.63 (0.01) 18.63 (0.01)
Pan i magnitude 18.60 (0.004) 18.60 (0.005)
Pan z magnitude 18.63 (0.01) 18.63 (0.01)
Pan y magnitude 18.69 (0.02) 18.69 (0.02)
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.