All names: TIC 219826764, GALEX J144528.4+292132, HS 1443+2934, Gaia EDR3 1282448170543051648, Gaia DR3 1282448170543051648, PM J14454+2921N, 14454+2921N, Ton 213, WD 1443+295, 2MASS J14452847+2921322, LAMOST J144528.43+292132.6, Gaia DR2 1282448170543051648, WDJ144528.47+292132.07, SDSS J144528.44+292132.1
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Limoges et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 45 28.38 (0.01) | 14 45 28.38 (0.02) | 14 45 28.38 (0.02) | 14 45 28.38 | 14 45 28.47 (0.01) | 14 45 28.38 | 14 45 27.96 | ||||||||
Declination | 29 21 32.04 (0.02) | 29 21 32.04 (0.02) | 29 21 32.04 (0.02) | 29 21 32.04 | 29 21 32.07 (0.02) | 29 21 32.04 | 29 21 24.84 | ||||||||
Spectral type | DA | DA | DA | DAZ | DA | DA | DA | DA3.8 | DA | ||||||
Effective temperature | [K] | 12445.0 (167) | 12305.1 (52) | 12255.0 | 16315.0 (338) | 13050.0 (222) | 13110.0 (216) | 12182.0 (57) | |||||||
log(g) | [cgs] | 7.96 (0.01) | 7.96 (0.006) | 7.96 | 8.04 (0.07) | 8.00 (0.05) | 8.00 (0.05) | 7.95 (0.004) | |||||||
Mass | [M☉] | 0.586 (0.009) | 0.58 | 0.64 (0.04) | 0.61 (0.03) | 0.61 (0.03) | 0.576 (0.003) | ||||||||
log(Luminosity) | [L☉] | -2.36 | |||||||||||||
Cooling age | [Gyr] | 0.3325 | |||||||||||||
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] | 26.05 (0.03) | 26.05 (0.03) | 25.97 (0.03) | 25.97 (0.03) | 26.05 | 26.05 (0.03) | 25.97 (0.03) | |||||||
Distance | [pc] | 38.39 (0.04) | 38.39 (0.04) | 38.51 (0.05) | 38.51 (0.05) | 39.30 (1) | 39.00 | 38.39 | 38.39 (0.04) | 38.51 (0.05) | |||||
Composition | H | H | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -74.66878371 (0.02) | -74.66781395 (0.05) | -74.669 (0.02) | -74.66781395 | ||||||||||
Proper motion (declination) | [mas/yr] | -2.110271645 (0.02) | -2.033395838 (0.07) | -2.11 (0.03) | -2.033395838 | ||||||||||
Variability | NOV | ||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 14.50 | ||||||||||||||
V magnitude | |||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 14.63 (0.04) | ||||||||||||||
H magnitude | 14.73 (0.07) | ||||||||||||||
K magnitude | 14.90 (0.2) | ||||||||||||||
u magnitude | 14.87 (0.01) | 14.85 (0.004) | 14.85 | ||||||||||||
g magnitude | 14.43 (0.03) | 14.40 (0.003) | 14.41 | ||||||||||||
r magnitude | 14.63 (0.02) | 14.62 (0.004) | 14.63 | ||||||||||||
i magnitude | 14.86 (0.02) | 14.85 (0.004) | 14.85 | ||||||||||||
z magnitude | 15.10 (0.02) | 15.09 (0.005) | 15.09 | ||||||||||||
G magnitude | 14.51 (0.0009) | 14.53 | 14.53 | 14.51 | 14.51 (0.003) | 14.53 | |||||||||
BP magnitude | 14.51 (0.0009) | 14.51 | 14.51 | ||||||||||||
RP magnitude | 14.55 (0.0009) | 14.55 | 14.55 | ||||||||||||
Pan g magnitude | 14.44 (0.002) | ||||||||||||||
Pan r magnitude | 14.63 (0.005) | ||||||||||||||
Pan i magnitude | 14.86 (0.001) | ||||||||||||||
Pan z magnitude | 15.08 (0.002) | ||||||||||||||
Pan y magnitude | 15.23 (0.003) | ||||||||||||||
E(B-V) | 0.003 |
* 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.