All names: SDSS J093311.90+092642.1, SDSS J093311.91+092642.3, WD 0930+096, SDSS J093311.91+092642.2, Gaia DR2 588279712029554176, WDS J09332+0927B, Gaia DR3 588279712029554176, ** SKF 1721B, Gaia EDR3 588279712029554176, SDSS J093311.90+092642.2, WIRED J093311.91+092642.3
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 33 11.86 (0.1) | 09 33 11.91 | 09 33 11.86 (0.4) | 09 33 11.91 | 09 33 11.92 (0.1) | 09 33 11.91 | 09 33 11.52 | 09 33 11.91 | ||||
| Declination | 09 26 42.27 (0.1) | 09 26 42.23 | 09 26 42.27 (0.5) | 09 26 42.29 | 09 26 42.21 (0.1) | 09 26 42.23 | 09 26 39.84 | 09 26 42.31 | ||||
| Spectral type | DA+M | DA+M | DA | DA | DA+M | DA dM | DA+M | |||||
| Effective temperature | [K] | 14372.0 | 10670.0 (78) | 11090.0 (110) | 17266.0 (148) | 17524.0 (128) | ||||||
| log(g) | [cgs] | 8.38 | 8.14 (0.07) | 8.16 (0.04) | 7.17 (0.03) | 7.18 (0.03) | ||||||
| Mass | [M☉] | 0.847 | 0.69 (0.04) | 0.7 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4070 | 0.6026 | |||||||||
| 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] | 7.02 (0.1) | 6.91 (0.2) | 7.02 (0.1) | ||||||||
| Distance | [pc] | 142.49 (2) | 144.81 (4) | 2150.00 (735) | 142.49 (2) | |||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -54.4121892 (0.1) | -54.62170229 (0.6) | -54.412 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | 3.430738761 (0.1) | 3.514058064 (0.9) | 3.431 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.04 (0.01) | 18.16 | 18.18 (0.01) | 18.16 (0.03) | 18.16 | 18.16 (0.03) | ||||||
| g magnitude | 17.53 (0.005) | 17.67 | 17.72 (0.005) | 17.67 (0.02) | 17.67 | 17.66 (0.02) | ||||||
| r magnitude | 17.65 (0.006) | 17.91 | 17.93 (0.007) | 17.91 (0.06) | 17.91 | 17.90 (0.06) | ||||||
| i magnitude | 17.65 (0.008) | 18.82 | 18.80 (0.02) | 18.82 (0.7) | 18.82 | 18.80 (0.7) | ||||||
| z magnitude | 17.43 (0.02) | 18.55 | 18.54 (0.05) | 18.55 (1) | 18.55 | 18.53 (1) | ||||||
| G magnitude | 17.70 | 17.72 | 17.70 (0.004) | |||||||||
| BP magnitude | ||||||||||||
| RP magnitude | ||||||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.008 | |||||||||||
* 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.