All names: 2MASS J11491356-0147268, SDSS J114913.52-014728.5, LBQS 1146-0130, WD 1146-015, Gaia DR2 3794340723954133504, LAMOST J114913.52-014728.6, [HHD2009] SDSS J1149-0147, TIC 78273992, WISE J114913.57-014726.9, WISEA J114913.56-014727.0, ** SKF 1735, SDSS J114913.53-014728.6, WDS J11492-0147AB, Gaia EDR3 3794340723954133504
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 49 13.53 (0.1) | 11 49 13.52 | 11 49 13.53 (0.2) | 11 49 13.56 (90) | 11 49 13.52 | 11 49 12.65 | 11 49 13.53 | ||||
| Declination | -01 47 28.74 (0.09) | -01 47 28.48 | -01 47 28.74 (0.08) | -01 47 26.85 (90) | -01 47 28.51 | -01 47 28.68 | -01 47 28.61 | ||||
| Spectral type | DAM | DA | DA+dM | DA+M | DA | DA+M | |||||
| Effective temperature | [K] | 8980.0 | 10750.0 (130) | 17476.0 (206) | 17494.0 (225) | ||||||
| log(g) | [cgs] | 7.19 | 8.29 (0.06) | 7.09 (0.05) | 7.14 (0.05) | ||||||
| Mass | [M☉] | 0.255 | 0.79 (0.04) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.3704 | 0.7943 | ||||||||
| 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] | 5.10 (0.2) | 5.07 (0.2) | ||||||||
| Distance | [pc] | 196.04 (6) | 197.40 (8) | ||||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 5.752786581 (0.2) | 5.427816548 (0.4) | -0.0 (3) | -11.6 | ||||||
| Proper motion (declination) | [mas/yr] | -13.78704648 (0.1) | -13.99669183 (0.2) | -27.0 (3) | -21.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | 17.30 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 17.20 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.36 (0.05) | ||||||||||
| H magnitude | 14.85 (0.07) | ||||||||||
| K magnitude | 14.82 (0.1) | ||||||||||
| u magnitude | 18.43 (0.01) | 18.46 (0.02) | 18.47 | 18.46 (0.02) | |||||||
| g magnitude | 17.93 (0.006) | 17.99 (0.02) | 17.98 | 17.98 (0.02) | |||||||
| r magnitude | 17.99 (0.007) | 18.06 (0.03) | 18.03 | 18.05 (0.03) | |||||||
| i magnitude | 18.04 (0.009) | 18.15 (0.1) | 18.11 | 18.13 (0.1) | |||||||
| z magnitude | 18.21 (0.03) | 18.48 (0.3) | 18.35 | 18.45 (0.2) | |||||||
| G magnitude | 17.88 (0.02) | 17.96 | |||||||||
| BP magnitude | 17.94 (0.02) | 17.93 | |||||||||
| RP magnitude | 17.00 (0.03) | 16.94 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.017 | ||||||||||
* 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.