All names: 2MASS J00262040+1444094, GALEX J002620.4+144409, [HHD2009] SDSS J0026+1444, SDSS J002620.41+144409.5, WD 0023+144, Gaia DR2 2780244996283143424, SDSS J002620.40+144409.4, TIC 336693494, PHL 2888, WIRED J002620.41+144409.5, SDSS J002620.41+144409.4
Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 00 26 20.41 | 00 26 20.44 (2) | 00 26 20.41 | 00 26 20.44 (2) | 00 26 20.41 | 00 26 20.66 | 00 26 20.41 | ||||
Declination | 14 44 09.43 | 14 44 08.94 (2) | 14 44 09.49 | 14 44 08.94 (2) | 14 44 09.42 | 14 44 06.36 | 14 44 09.51 | ||||
Spectral type | DA+M | DA | DA+M | DA+M | DA dM | DA+M | |||||
Effective temperature | [K] | 17912.0 (265) | 19070.0 (280) | 8933.0 (27) | 8914.0 (43) | ||||||
log(g) | [cgs] | 7.83 (0.06) | 8.01 (0.05) | 8.12 (0.04) | 7.63 (0.08) | ||||||
Mass | [M☉] | 0.53 (0.03) | 0.63 (0.03) | ||||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.0912 | |||||||||
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] | ||||||||||
Distance | [pc] | 237.00 (9) | |||||||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | 32.0 (3) | 33.2 | ||||||||
Proper motion (declination) | [mas/yr] | -38.0 (3) | -40.2 | ||||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | WDMS | WDMS | WDMS | ||||||||
B magnitude | 17.70 | ||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | 14.60 (0.004) | ||||||||||
H magnitude | 14.07 (0.004) | ||||||||||
K magnitude | 13.80 (0.005) | ||||||||||
u magnitude | 17.55 (0.01) | 17.57 | 17.55 (0.01) | 17.57 (0.01) | 17.57 | 17.55 (0.01) | |||||
g magnitude | 17.33 (0.005) | 17.35 | 17.32 (0.005) | 17.35 (0.01) | 17.35 | 17.34 (0.01) | |||||
r magnitude | 17.32 (0.006) | 17.34 | 17.32 (0.006) | 17.34 (0.02) | 17.34 | 17.33 (0.02) | |||||
i magnitude | 16.60 (0.005) | 16.65 | 16.61 (0.005) | 16.65 (0.01) | 16.65 | 16.64 (0.01) | |||||
z magnitude | 16.01 (0.008) | 16.04 | 16.02 (0.008) | 16.04 (0.02) | 16.04 | 16.02 (0.02) | |||||
G magnitude | 17.24 | 17.24 (0.01) | |||||||||
BP magnitude | 17.35 | ||||||||||
RP magnitude | 16.20 | ||||||||||
Pan g magnitude | 17.35 (0.003) | ||||||||||
Pan r magnitude | 17.31 (0.004) | ||||||||||
Pan i magnitude | 16.65 (0.004) | ||||||||||
Pan z magnitude | 16.13 (0.009) | ||||||||||
Pan y magnitude | 15.85 (0.005) | ||||||||||
E(B-V) | 0.026 |
* Constant surface field
Spectra without link are available upon request
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.