All names: WD 1140+004, [SGR2010] J1143+0009, SDSS J114312.56+000926.5, 1RXS J114313.8+000955, SDSS J114312.57+000926.5, 2MASS J11431257+0009267, LBQS 1140+0026, SDSS J114312.57+000926.6, SDSS J114312.58+000926.6, SDSS J114312.56+000926.6, Gaia DR3 3795834474923972096, TIC 301627455, 2QZ J114312.5+000926, EPIC 201475790, [HHD2009] SDSS J1143+0009, SBC9 3368, Gaia EDR3 3795834474923972096, Gaia DR2 3795834474923972096
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 43 12.55 (0.1) | 11 43 12.56 | 11 43 12.55 (0.1) | 11 43 12.57 | 11 43 12.57 (0.1) | 11 43 12.58 | 11 43 11.78 | 11 43 12.57 | ||||||
| Declination | 00 09 26.45 (0.09) | 00 09 26.56 | 00 09 26.46 (0.1) | 00 09 26.50 | 00 09 26.64 (0.09) | 00 09 26.62 | 00 09 27.00 | 00 09 26.51 | ||||||
| Spectral type | DA+M | DA | DA3:+M | DA4.0+dM | DA+M | DA4.0+dM | DA+M | DA | ||||||
| Effective temperature | [K] | 16719.0 (534) | 18260.0 (320) | 9760.0 (47) | 9704.0 (45) | |||||||||
| log(g) | [cgs] | 7.81 (0.1) | 8.02 (0.06) | 8.07 (0.06) | 8.02 (0.05) | |||||||||
| Mass | [M☉] | 0.523 (0.07) | 0.63 (0.03) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.1096 | ||||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(Li/H) | ||||||||||||||
| log(Be/H) | ||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||
| log(K/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(V/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Co/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| log(Cu/H) | ||||||||||||||
| log(Sr/H) | ||||||||||||||
| Parallax | [mas] | 3.67 (0.1) | 3.59 (0.2) | 3.67 (0.1) | ||||||||||
| Distance | [pc] | 272.80 (10) | 278.20 (14) | 1151.00 (272) | 272.80 (10) | |||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.4656522 (0.1) | -21.05414285 (0.4) | -21.466 (0.1) | -0.8 | |||||||||
| Proper motion (declination) | [mas/yr] | -11.86262373 (0.1) | -12.09459844 (0.3) | -11.863 (0.1) | -10.5 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | ||||||||||
| B magnitude | 18.45 | |||||||||||||
| V magnitude | 18.30 | |||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.70 (0.008) | |||||||||||||
| H magnitude | 15.19 (0.009) | |||||||||||||
| K magnitude | 14.89 (0.01) | |||||||||||||
| u magnitude | 18.54 (0.02) | 18.41 | 18.42 | 18.39 (0.02) | 18.41 (0.02) | 18.42 | 18.43 (0.02) | |||||||
| g magnitude | 18.12 (0.006) | 18.17 | 18.15 | 18.14 (0.007) | 18.17 (0.02) | 18.15 | 18.15 (0.01) | |||||||
| r magnitude | 18.15 (0.007) | 18.22 | 18.22 | 18.16 (0.007) | 18.23 (0.03) | 18.22 | 18.17 (0.01) | |||||||
| i magnitude | 17.60 (0.007) | 17.65 | 17.64 | 17.60 (0.007) | 17.65 (0.02) | 17.64 | 17.60 (0.02) | |||||||
| z magnitude | 17.07 (0.01) | 17.06 | 17.04 | 17.03 (0.01) | 17.06 (0.04) | 17.04 | 17.03 (0.03) | |||||||
| G magnitude | 17.83 (0.02) | 17.84 | 17.83 (0.003) | |||||||||||
| BP magnitude | 18.22 (0.02) | 18.18 | ||||||||||||
| RP magnitude | 17.18 (0.008) | 17.18 | ||||||||||||
| Pan g magnitude | 18.13 (0.006) | |||||||||||||
| Pan r magnitude | 18.16 (0.005) | |||||||||||||
| Pan i magnitude | 17.62 (0.006) | |||||||||||||
| Pan z magnitude | 17.16 (0.003) | |||||||||||||
| Pan y magnitude | 16.93 (0.01) | |||||||||||||
| E(B-V) | 0.021 | |||||||||||||
* 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.