All names: 2MASS J01464131+2154484, SDSS J014641.19+215447.2, TIC 456911584, G 94-9, USNO-B1.0 1119-00025594, 01466+2154, Gaia DR3 98092934167683072, G94-9, UBV 1789, WD 0143+216, LTT 10618, GEN# +9.80094009, EGGR 13, GALEX J014641.2+215447, PM J01466+2154, Gaia DR2 98092934167683072, Wolf 82, WDJ014641.31+215448.38, SDSS J014641.20+215447.2, PG 0143+217, LSPM J0146+2154, NLTT 5910, J0146+2154, CSI+21-01439, WD 0143+21, Gaia EDR3 98092934167683072
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Koester et al. 2009 | Zuckerman et al. 2003 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 01 46 41.11 (0.03) | 01 46 41.12 (0.03) | 01 46 41.12 (0.03) | 01 46 41.11 | 01 46 41.31 (0.03) | 01 46 41.12 | 01 46 41.59 | ||||||||||||
Declination | 21 54 46.35 (0.02) | 21 54 46.41 (0.03) | 21 54 46.41 (0.03) | 21 54 46.35 | 21 54 48.38 (0.02) | 21 54 46.41 | 21 54 46.08 | ||||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA5.4 | DA5 | ||||||||
Effective temperature | [K] | 9149.0 (26) | 9165.0 (91) | 9151.0 (22) | 9192.8 (40) | 9149.0 (26) | 9145.0 | 9210.0 (132) | 9340.0 (134) | 9222.0 (9) | 8649.0 | 9045.0 (53) | |||||||
log(g) | [cgs] | 8.29 (0.003) | 8.29 (0.02) | 8.29 (0.003) | 8.31 (0.01) | 8.29 (0.003) | 8.29 | 8.32 (0.05) | 8.57 (0.05) | 8.34 (0.009) | 8.00 | 8.27 (0.009) | |||||||
Mass | [M☉] | 0.781 (0.003) | 0.782 (0.01) | 0.784 (0.003) | 0.782 (0.003) | 0.781 | 0.8 (0.03) | 0.96 (0.03) | 0.768 (0.008) | ||||||||||
log(Luminosity) | [L☉] | -3.17 | |||||||||||||||||
Cooling age | [Gyr] | 1.2400 | 1.1710 | ||||||||||||||||
log(H/He) | |||||||||||||||||||
log(C/He) | |||||||||||||||||||
log(Ca/He) | |||||||||||||||||||
log(Ca/H) | <-10.909 | ||||||||||||||||||
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] | 37.72 (0.03) | 37.72 (0.03) | 37.75 (0.04) | 37.75 (0.04) | 37.75 (0.04) | 37.72 | 37.72 (0.03) | 37.75 (0.04) | ||||||||||
Distance | [pc] | 26.51 (0.02) | 26.51 (0.02) | 26.49 (0.03) | 26.49 (0.03) | 26.49 (0.03) | 26.10 (1) | 22.00 | 26.51 | 26.51 (0.02) | 26.49 (0.03) | ||||||||
Composition | H | H | H | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -174.3711619 (0.04) | -174.2885239 (0.08) | -174.371 (0.04) | -174.2885239 | ||||||||||||||
Proper motion (declination) | [mas/yr] | -127.0779462 (0.03) | -127.1242253 (0.07) | -127.078 (0.03) | -127.1242253 | ||||||||||||||
Variability | NOV | ||||||||||||||||||
Magnetic | |||||||||||||||||||
Bd | [MG] | ||||||||||||||||||
Infrared excess (disk) | |||||||||||||||||||
Binarity | |||||||||||||||||||
B magnitude | 15.30 | ||||||||||||||||||
V magnitude | 15.05 | ||||||||||||||||||
R magnitude | 15.10 | ||||||||||||||||||
I magnitude | |||||||||||||||||||
J magnitude | 14.80 (0.005) | 14.78 (0.04) | |||||||||||||||||
H magnitude | 14.81 (0.06) | 14.81 (0.06) | |||||||||||||||||
K magnitude | 14.68 (0.08) | 14.68 (0.08) | |||||||||||||||||
u magnitude | 15.48 (0.005) | 15.47 (0.005) | 15.47 (0.005) | ||||||||||||||||
g magnitude | 15.09 (0.003) | 15.09 (0.003) | |||||||||||||||||
r magnitude | 15.10 (0.003) | 15.10 (0.003) | |||||||||||||||||
i magnitude | 15.18 (0.003) | 15.18 (0.003) | |||||||||||||||||
z magnitude | 15.30 (0.005) | 15.30 (0.005) | |||||||||||||||||
G magnitude | 15.04 (0.002) | 15.05 | 15.05 | 15.04 | 15.04 (0.003) | 15.05 | |||||||||||||
BP magnitude | 15.12 (0.002) | 15.12 | 15.12 | ||||||||||||||||
RP magnitude | 14.88 (0.002) | 14.89 | 14.89 | ||||||||||||||||
Pan g magnitude | 15.07 (0.003) | 15.07 (0.003) | |||||||||||||||||
Pan r magnitude | 15.12 (0.002) | 15.12 (0.003) | |||||||||||||||||
Pan i magnitude | 15.20 (0.002) | 15.20 (0.002) | |||||||||||||||||
Pan z magnitude | 15.33 (0.0007) | 15.33 (0.0006) | |||||||||||||||||
Pan y magnitude | 15.42 (0.005) | 15.42 (0.005) | |||||||||||||||||
E(B-V) | 0.000 |
* 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.