WD 1423+027

All names: Gaia DR3 3668187462771321856, SDSS J142541.32+023047.5, WD 1423+027, SDSS J142541.32+023047.4, Gaia DR2 3668187462771321856, [SGR2010] J1425+0230, SDSS J142541.31+023047.4, [HHD2009] SDSS J1425+0230, WIRED J142541.32+023047.4, Gaia EDR3 3668187462771321856, GALEX J142541.3+023047

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 25 41.29 (0.2) 14 25 41.32 14 25 41.30 (0.3) 14 25 41.32 14 25 41.33 (0.2) 14 25 41.32 14 25 40.97 14 25 41.32
Declination 02 30 46.89 (0.2) 02 30 47.50 02 30 46.90 (0.2) 02 30 47.41 02 30 47.45 (0.2) 02 30 47.48 02 30 42.12 02 30 47.42
Spectral type DA+M DA+M DA+M DA+M DA+M DA+M DA+MS
Effective temperature [K] 7639.0 12828.0 (875) 10790.0 (104) 11392.0 (193)
log(g) [cgs] 6.75 7.77 (0.2) 8.11 (0.09) 7.11 (0.2)
Mass [M] 0.15 0.48 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
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] 3.23 (0.2) 3.47 (0.3) 3.23 (0.2)
Distance [pc] 309.30 (21) 287.78 (23) 530.00 (34) 309.29 (21)
Composition H
Proper motion (right ascension) [mas/yr] -29.324309 (0.3) -29.50567656 (0.6) -29.324 (0.3) -22.0
Proper motion (declination) [mas/yr] -35.03770532 (0.2) -34.77121626 (0.5) -35.038 (0.2) -34.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS yes WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.01 (0.02)
H magnitude 16.54 (0.03)
K magnitude 16.21 (0.04)
u magnitude 19.27 (0.03) 19.28 19.28 (0.03) 19.28 (0.04) 19.28 19.28 (0.04)
g magnitude 18.81 (0.009) 18.83 18.82 (0.009) 18.83 (0.02) 18.82 18.83 (0.02)
r magnitude 18.96 (0.01) 18.97 18.97 (0.01) 18.97 (0.01) 18.97 18.97 (0.01)
i magnitude 18.73 (0.01) 18.75 18.74 (0.01) 18.75 (0.03) 18.75 18.76 (0.03)
z magnitude 18.29 (0.04) 18.30 18.30 (0.04) 18.30 (0.04) 18.31 18.30 (0.04)
G magnitude 18.73 (0.03) 18.75 18.73 (0.004)
BP magnitude 18.95 (0.03) 18.96
RP magnitude 18.28 (0.03) 18.25
Pan g magnitude 18.83 (0.009)
Pan r magnitude 18.97 (0.006)
Pan i magnitude 18.73 (0.009)
Pan z magnitude 18.38 (0.009)
Pan y magnitude 18.11 (0.008)
E(B-V) 0.029

* 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.