All names: WISEA J212657.84+733840.9, LSPM J2126+7338, G 263-3, NLTT 51355, G261-43A, USNO-B1.0 1636-00114312, EGGR 144, GJ 9743, AC +73 8031-0, GSC 04473-00342, PM J21269+7338, CSI+73-21267, Gaia EDR3 2274076297221555968, CNS5 5281, GEN# +9.80261043, 21269+7338, WDS J21270+7339A, LTT 18524, 2MASS J21265770+7338444, SDSS J212657.71+733843.3, ** ZUC 15A, ASCC 58117, AC +73 8031, J2126+7338, PLX 5188.01, GCRV 72233, WDJ212657.66+733844.66, WD 2126+734, uvby98 980261043, Gaia DR2 2274076297221555968, G 261-43, G261-43, UBV M 42798, Gaia DR3 2274076297221555968, WD 2126+73, UCAC3 328-58274, UBV 18527, KUV 21267+7326, TIC 323139945, USNO 267, LAWD 86, GJ 828.5
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Kilic et al. 2020 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Holberg et al. 2016 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 26 57.87 (0.02) | 21 26 57.86 (0.03) | 21 26 57.86 (0.03) | 21 26 57.60 | 21 26 57.87 | 21 26 57.66 (0.02) | 21 26 57.86 | 21 26 55.68 | ||||||||||||
Declination | 73 38 39.64 (0.02) | 73 38 39.80 (0.03) | 73 38 39.80 (0.03) | 73 38 42.00 | 73 38 39.64 | 73 38 44.67 (0.02) | 73 38 39.80 | 73 38 54.24 | ||||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA3.8 | DA | DA | DA | DA3.1 | DA4 | ||||||
Effective temperature | [K] | 15554.0 (270) | 15127.0 (281) | 15553.0 (270) | 15039.6 (257) | 13873.0 | 16040.0 (236) | 16104.0 (237) | 15950.0 (234) | 16104.0 | 16104.0 (237) | 16110.0 (236) | 15993.0 (132) | |||||||
log(g) | [cgs] | 7.94 (0.01) | 7.89 (0.02) | 7.95 (0.01) | 7.89 (0.02) | 7.82 | 7.99 (0.04) | 7.97 (0.04) | 7.97 (0.04) | 7.97 (0.04) | 7.97 (0.04) | 7.96 (0.007) | ||||||||
Mass | [M☉] | 0.582 (0.01) | 0.552 (0.01) | 0.583 (0.01) | 0.511 | 0.58 (0.08) | 0.6 (0.02) | 0.6 (0.03) | 0.6 (0.03) | 0.6 (0.03) | 0.594 (0.005) | |||||||||
log(Luminosity) | [L☉] | -1.99 | -1.97 | |||||||||||||||||
Cooling age | [Gyr] | 0.1910 | 0.1500 | 0.1500 | ||||||||||||||||
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] | 44.99 (0.03) | 44.99 (0.03) | 45.04 (0.04) | 45.04 (0.04) | 47.10 (2) | 47.10 (2) | 47.10 (2) | 44.99 | 44.99 (0.03) | 45.04 (0.04) | 43.00 (7) | ||||||||
Distance | [pc] | 22.23 (0.01) | 22.23 (0.01) | 22.20 (0.02) | 22.20 (0.02) | 21.20 (1) | 21.23 (1) | 21.20 (1) | 21.23 | 21.20 (0.8) | 22.00 | 22.23 | 22.23 (0.01) | 22.20 (0.02) | 23.26 (4) | |||||
Composition | H | H | H | H | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 55.3384477 (0.03) | 55.13691143 (0.07) | 55.338 (0.03) | 55.13691143 | |||||||||||||||
Proper motion (declination) | [mas/yr] | -314.1996029 (0.03) | -313.9527028 (0.06) | -314.2 (0.03) | -313.9527028 | |||||||||||||||
Variability | NOV | |||||||||||||||||||
Magnetic | ||||||||||||||||||||
Bd | [MG] | |||||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||||
Binarity | DDr | yes | ||||||||||||||||||
B magnitude | 12.80 | |||||||||||||||||||
V magnitude | 12.88 | 12.82 | 12.83 | |||||||||||||||||
R magnitude | 13.30 | |||||||||||||||||||
I magnitude | ||||||||||||||||||||
J magnitude | 13.10 (0.03) | |||||||||||||||||||
H magnitude | 13.16 (0.04) | |||||||||||||||||||
K magnitude | 13.17 (0.04) | |||||||||||||||||||
u magnitude | 13.31 (0.004) | 13.18 (0.003) | ||||||||||||||||||
g magnitude | 14.29 (0.009) | 12.94 (0.003) | ||||||||||||||||||
r magnitude | 14.27 (0.01) | 13.30 (0.006) | ||||||||||||||||||
i magnitude | 13.54 (0.003) | 13.44 (0.003) | ||||||||||||||||||
z magnitude | 13.58 (0.004) | 13.51 (0.004) | ||||||||||||||||||
G magnitude | 12.89 (0.001) | 12.90 | 12.90 | 12.89 | 12.89 (0.003) | 12.90 | ||||||||||||||
BP magnitude | 12.84 (0.001) | 12.82 | 12.82 | |||||||||||||||||
RP magnitude | 12.99 (0.002) | 13.00 | 13.00 | |||||||||||||||||
Pan g magnitude | 12.82 (0.01) | |||||||||||||||||||
Pan r magnitude | 13.05 (0.02) | |||||||||||||||||||
Pan i magnitude | 13.32 (0.001) | |||||||||||||||||||
Pan z magnitude | 13.56 (0.005) | |||||||||||||||||||
Pan y magnitude | 13.72 (0.004) | |||||||||||||||||||
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.