All names: WD 0311-649, Gaia DR3 4672306015773211008, 2MASS J03122568-6444108, WDJ031225.70-644410.89, Gaia DR2 4672306015773211008, WT 106, TIC 220578510, Gaia EDR3 4672306015773211008, LEHPM 3159, LEHPM 1-3159, 031225.70-644410.89
Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Gaia DR2 | Bedard et al. 2017 | Subasavage et al. 2017 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Subasavage et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 03 12 26.13 (0.02) | 03 12 26.12 (0.03) | 03 12 25.69 | 03 12 25.68 | 03 12 25.68 | 03 12 26.13 | 03 12 25.70 (0.02) | 03 12 26.12 | 03 12 25.06 | ||||||
Declination | -64 44 11.51 (0.02) | -64 44 11.49 (0.03) | -64 44 01.08 | -64 44 09.60 | -64 44 10.80 | -64 44 11.51 | -64 44 10.89 (0.02) | -64 44 11.49 | -64 44 07.08 | ||||||
Spectral type | DA | DA+DA | DA | DA | DA | DA4.0 | DA4.0 | DA | DA4.0 | DA4.0 | |||||
Effective temperature | [K] | 12063.0 (142) | 13135.0 (290) | 11760.0 (700) | 11654.0 (557) | 11945.0 | 11945.0 (557) | 12562.0 (69) | |||||||
log(g) | [cgs] | 7.21 (0.01) | 7.83 (0.06) | 7.28 (0.05) | 7.95 (0) | 7.18 (0.005) | |||||||||
Mass | [M☉] | 0.31 (0.003) | 0.29 (0.02) | 0.58 (0) | 0.27 (0.002) | ||||||||||
log(Luminosity) | [L☉] | -2.14 (0.1) | |||||||||||||
Cooling age | [Gyr] | 0.1900 (0.04) | 0.3900 | ||||||||||||
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] | 27.33 (0.02) | 27.33 (0.02) | 27.33 (0.02) | 27.29 (0.03) | 30.76 (1) | 27.33 | 27.33 (0.02) | 27.29 (0.03) | 47.60 | |||||
Distance | [pc] | 36.59 (0.02) | 36.59 (0.03) | 36.59 (0.03) | 36.65 (0.04) | 32.50 (1) | 32.51 (1) | 21.58 (0.3) | 21.00 | 21.00 | 36.59 | 36.59 (0.02) | 36.65 (0.04) | 21.01 | |
Composition | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 172.5754089 (0.02) | 172.5157105 (0.05) | 172.575 (0.02) | 172.5157105 | ||||||||||
Proper motion (declination) | [mas/yr] | -38.65695721 (0.02) | -38.52234628 (0.05) | -38.657 (0.02) | -38.52234628 | ||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | DDu | DDu | |||||||||||||
B magnitude | 12.50 | ||||||||||||||
V magnitude | 13.28 | 13.27 | |||||||||||||
R magnitude | 13.33 | ||||||||||||||
I magnitude | 13.36 | ||||||||||||||
J magnitude | 13.45 (0.02) | 13.45 (0.02) | 13.45 (0.02) | ||||||||||||
H magnitude | 13.46 (0.03) | 13.46 (0.03) | 13.46 (0.03) | ||||||||||||
K magnitude | 13.57 (0.05) | 13.57 (0.05) | 13.57 (0.05) | ||||||||||||
u magnitude | |||||||||||||||
g magnitude | |||||||||||||||
r magnitude | |||||||||||||||
i magnitude | |||||||||||||||
z magnitude | |||||||||||||||
G magnitude | 13.32 (0.0009) | 13.34 | 13.32 | 13.32 (0.003) | 13.34 | ||||||||||
BP magnitude | 13.31 (0.0009) | 13.31 | 13.31 | ||||||||||||
RP magnitude | 13.36 (0.0006) | 13.37 | 13.37 | ||||||||||||
Pan g magnitude | |||||||||||||||
Pan r magnitude | |||||||||||||||
Pan i magnitude | |||||||||||||||
Pan z magnitude | |||||||||||||||
Pan y magnitude | |||||||||||||||
E(B-V) | 0.001 |
* 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.