WD 1404+007

All names: SDSS J140701.61+003008.6, Gaia EDR3 3660248993113873920, SDSS J140701.56+003008.9, Gaia DR2 3660248993113873920, WD 1404+007, Gaia DR3 3660248993113873920, SDSS J140701.61+003008.7, GALEX J140701.6+003009

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Harris et al. 2003 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 14 07 01.52 (0.1) 14 07 01.61 14 07 01.53 (0.1) 14 07 01.52 14 07 01.61 (0.1) 14 07 01.61 14 07 00.38 14 07 01.61 14 07 01.61
Declination 00 30 09.15 (0.08) 00 30 08.64 00 30 09.13 (0.1) 00 30 09.15 00 30 08.72 (0.08) 00 30 08.60 00 30 02.88 00 30 08.68 00 30 08.68
Spectral type DA DA DA5 DA DA5 DA DA4.9 DA DA
Effective temperature [K] 10094.0 10410.0 (50) 9977.0 (196) 10294.0 (32) 10244.0 (35) 10330.0 (32)
log(g) [cgs] 8.06 8.37 (0.04) 8.05 (0.04) 8.36 (0.03) 8.35 (0.04) 8.40 (0.03)
Mass [M] 0.637 0.83 (0.03) 0.631 (0.03) 0.81 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.6408 0.9550
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] 8.55 (0.1) 8.44 (0.2) 8.55 8.55 (0.1)
Distance [pc] 117.00 (2) 118.48 (2) 117.00 116.99 (2)
Composition H H
Proper motion (right ascension) [mas/yr] -79.83478773 (0.1) -79.84399654 (0.2) -79.835 (0.1) -73.9 -73.0
Proper motion (declination) [mas/yr] 26.86492959 (0.1) 27.0316702 (0.2) 26.865 (0.1) 29.4 31.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.53 (0.05)
H magnitude 17.46 (0.06)
K magnitude 17.40 (0.1)
u magnitude 18.00 (0.01) 17.99 18.00 (0.01) 18.01 (0.02) 18.00 18.02 (0.02) 18.00 (0.02)
g magnitude 17.57 (0.005) 17.59 17.57 (0.005) 17.59 (0.02) 17.60 17.60 (0.02) 17.60 (0.02)
r magnitude 17.68 (0.006) 17.67 17.68 (0.006) 17.68 (0.02) 17.68 17.67 (0.02) 17.68 (0.02)
i magnitude 17.79 (0.007) 17.80 17.79 (0.007) 17.80 (0.01) 17.80 17.81 (0.01) 17.80 (0.01)
z magnitude 17.97 (0.02) 17.98 17.97 (0.02) 17.98 (0.02) 17.98 17.99 (0.02) 17.98 (0.02)
G magnitude 17.59 (0.006) 17.62 17.59 17.59 (0.003)
BP magnitude 17.66 (0.006) 17.65
RP magnitude 17.52 (0.02) 17.49
Pan g magnitude 17.59 (0.003)
Pan r magnitude 17.70 (0.006)
Pan i magnitude 17.83 (0.003)
Pan z magnitude 17.99 (0.005)
Pan y magnitude 18.12 (0.01)
E(B-V) 0.011

* Constant surface field

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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.