All names: Gaia DR2 1023493013035450880, 2MASS J09092543+5337006, [HHD2009] SDSS J0909+5337, TIC 150172148, WIRED J090925.42+533700.6, SDSS J090925.42+533701.0, SDSS J090925.42+533700.7, GALEX J090925.4+533701, WD 0905+538, SDSS J090925.41+533700.7, Gaia DR3 1023493013035450880, [SGR2010] J0909+5337, SDSS J090925.41+533700.6, SDSS J090925.42+533700.6
| Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | 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 09 25.42 | 09 09 25.39 (2) | 09 09 25.42 | 09 09 25.39 (2) | 09 09 25.42 | 09 09 24.91 | 09 09 25.42 | ||||
| Declination | 53 37 00.68 | 53 37 00.96 (2) | 53 37 00.59 | 53 37 00.99 (2) | 53 37 00.67 | 53 36 54.36 | 53 37 00.66 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA+ME | DA+M | |||||
| Effective temperature | [K] | 19640.0 (227) | 21890.0 (270) | 9063.0 (24) | 20355.0 (156) | ||||||
| log(g) | [cgs] | 7.85 (0.05) | 7.98 (0.04) | 8.35 (0.04) | 7.13 (0.03) | ||||||
| Mass | [M☉] | 0.54 (0.02) | 0.62 (0.02) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0457 | |||||||||
| 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] | ||||||||||
| Distance | [pc] | 618.00 (91) | |||||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -17.0 (3) | -15.4 | ||||||||
| Proper motion (declination) | [mas/yr] | 16.0 (3) | 16.3 | ||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.90 (0.04) | ||||||||||
| H magnitude | 14.31 (0.05) | ||||||||||
| K magnitude | 14.20 (0.06) | ||||||||||
| u magnitude | 17.46 (0.009) | 17.47 | 17.45 (0.009) | 17.47 (0.02) | 17.48 | 17.46 (0.02) | |||||
| g magnitude | 17.32 (0.004) | 17.37 | 17.32 (0.004) | 17.37 (0.03) | 17.33 | 17.36 (0.03) | |||||
| r magnitude | 17.35 (0.005) | 17.40 | 17.35 (0.005) | 17.40 (0.01) | 17.41 | 17.38 (0.01) | |||||
| i magnitude | 16.79 (0.005) | 16.80 | 16.79 (0.005) | 16.80 (0.01) | 16.80 | 16.80 (0.02) | |||||
| z magnitude | 16.25 (0.007) | 16.27 | 16.24 (0.007) | 16.27 (0.02) | 16.29 | 16.26 (0.02) | |||||
| G magnitude | 17.19 | 17.52 (0.01) | |||||||||
| BP magnitude | 17.36 | ||||||||||
| RP magnitude | 16.37 | ||||||||||
| Pan g magnitude | 17.36 (0.003) | ||||||||||
| Pan r magnitude | 17.39 (0.005) | ||||||||||
| Pan i magnitude | 16.82 (0.003) | ||||||||||
| Pan z magnitude | 16.39 (0.007) | ||||||||||
| Pan y magnitude | 16.13 (0.004) | ||||||||||
| E(B-V) | 0.024 | ||||||||||
* 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.