All names: TIC 275185778, SDSS J095108.73+025507.4, WD 0948+031, Gaia DR3 3847113536875007360, [HHD2009] SDSS J0951+0255, 2MASS J09510873+0255075, SDSS J095108.74+025507.4, SDSS J095108.74+025507.6, SDSS J095108.74+025507.5, Gaia EDR3 3847113536875007360, Gaia DR2 3847113536875007360, [SGR2010] J0951+0255
| Parameter | Unit | Gaia EDR3 | 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 51 08.75 (0.4) | 09 51 08.74 | 09 51 08.75 (0.5) | 09 51 08.74 | 09 51 08.74 (0.4) | 09 51 08.74 | 09 51 07.66 | 09 51 08.74 | ||||
| Declination | 02 55 07.38 (0.5) | 02 55 07.54 | 02 55 07.38 (0.6) | 02 55 07.50 | 02 55 07.53 (0.5) | 02 55 07.47 | 02 55 01.20 | 02 55 07.55 | ||||
| Spectral type | DA+M | DA | DA5+M | DA+M | DA5+M | DA+M | ||||||
| Effective temperature | [K] | 12976.0 (683) | 14660.0 (1890) | 9593.0 (71) | 9363.0 (90) | |||||||
| log(g) | [cgs] | 7.70 (0.2) | 8.19 (0.1) | 7.89 (0.08) | 7.71 (0.2) | |||||||
| Mass | [M☉] | 0.45 (0.1) | 0.73 (0.08) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4169 | ||||||||||
| 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] | 3.57 (0.4) | 2.91 (0.5) | 3.57 (0.4) | ||||||||
| Distance | [pc] | 280.41 (33) | 344.21 (58) | 280.41 (33) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 6.880623389 (0.5) | 9.706387018 (1) | 6.881 (0.5) | 1.7 | |||||||
| Proper motion (declination) | [mas/yr] | -9.500370401 (0.4) | -12.59340141 (1) | -9.5 (0.4) | -8.6 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.50 | |||||||||||
| H magnitude | 15.97 (0.02) | |||||||||||
| K magnitude | 15.70 (0.02) | |||||||||||
| u magnitude | 19.36 (0.02) | 19.36 | 19.36 (0.03) | 19.36 (0.03) | 19.34 | 19.38 (0.03) | ||||||
| g magnitude | 18.89 (0.009) | 18.88 | 18.89 (0.01) | 18.88 (0.02) | 18.88 | 18.89 (0.02) | ||||||
| r magnitude | 18.86 (0.01) | 18.87 | 18.87 (0.01) | 18.87 (0.01) | 18.88 | 18.87 (0.01) | ||||||
| i magnitude | 18.31 (0.009) | 18.36 | 18.35 (0.01) | 18.36 (0.02) | 18.36 | 18.36 (0.02) | ||||||
| z magnitude | 17.84 (0.02) | 17.83 | 17.83 (0.03) | 17.83 (0.03) | 17.82 | 17.82 (0.03) | ||||||
| G magnitude | 18.74 (0.02) | 18.65 | 18.74 (0.007) | |||||||||
| BP magnitude | 18.96 (0.02) | 18.89 | ||||||||||
| RP magnitude | 17.92 (0.02) | 17.89 | ||||||||||
| Pan g magnitude | 18.88 (0.01) | |||||||||||
| Pan r magnitude | 18.86 (0.006) | |||||||||||
| Pan i magnitude | 18.36 (0.006) | |||||||||||
| Pan z magnitude | 17.93 (0.01) | |||||||||||
| Pan y magnitude | 17.66 (0.007) | |||||||||||
| 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.