All names: SDSS J095308.64+481344.7, WIRED J095308.64+481344.6, GALEX J095308.6+481344, Gaia DR2 823411579298483072, 2MASS J09530866+4813446, TIC 453447678, Gaia DR3 823411579298483072, Gaia EDR3 823411579298483072, [HHD2009] SDSS J0953+4813, SDSS J095308.64+481344.6, SDSS J095308.65+481344.8, WD 0949+484
| 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 53 08.63 (0.09) | 09 53 08.64 | 09 53 08.64 (0.1) | 09 53 08.64 | 09 53 08.65 (0.09) | 09 53 08.64 | 09 53 08.66 | 09 53 08.64 | ||||
| Declination | 48 13 44.51 (0.08) | 48 13 44.62 | 48 13 44.51 (0.1) | 48 13 44.62 | 48 13 44.57 (0.08) | 48 13 44.63 | 48 13 39.36 | 48 13 44.63 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 16336.0 (675) | 12240.0 (520) | 6300.0 (1) | 6300.0 (1) | |||||||
| log(g) | [cgs] | 8.04 (0.2) | 8.21 (0.1) | 7.12 (0.1) | 7.11 (0.2) | |||||||
| Mass | [M☉] | 0.64 (0.1) | 0.74 (0.07) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5370 | ||||||||||
| 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] | 2.55 (0.1) | 2.62 (0.2) | 2.55 (0.1) | ||||||||
| Distance | [pc] | 391.61 (20) | 382.35 (32) | 861.00 (282) | 391.60 (20) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.67522516 (0.1) | -6.635463618 (0.3) | -6.675 (0.1) | -4.3 | |||||||
| Proper motion (declination) | [mas/yr] | -3.957249752 (0.1) | -3.887359586 (0.3) | -3.957 (0.1) | -2.2 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.06 (0.1) | |||||||||||
| H magnitude | 15.47 (0.1) | |||||||||||
| K magnitude | 14.90 (0.1) | |||||||||||
| u magnitude | 19.15 (0.02) | 19.13 | 19.14 (0.03) | 19.13 (0.03) | 19.13 | 19.13 (0.03) | ||||||
| g magnitude | 18.77 (0.008) | 18.80 | 18.77 (0.009) | 18.80 (0.02) | 18.80 | 18.79 (0.02) | ||||||
| r magnitude | 18.46 (0.009) | 18.46 | 18.47 (0.009) | 18.46 (0.02) | 18.46 | 18.45 (0.02) | ||||||
| i magnitude | 17.78 (0.007) | 17.80 | 17.78 (0.007) | 17.80 (0.01) | 17.80 | 17.78 (0.01) | ||||||
| z magnitude | 17.23 (0.01) | 17.23 | 17.24 (0.01) | 17.23 (0.02) | 17.23 | 17.22 (0.02) | ||||||
| G magnitude | 18.17 (0.02) | 18.19 | 18.17 (0.003) | |||||||||
| BP magnitude | 18.74 (0.02) | 18.69 | ||||||||||
| RP magnitude | 17.37 (0.009) | 17.37 | ||||||||||
| Pan g magnitude | 18.74 (0.006) | |||||||||||
| Pan r magnitude | 18.49 (0.005) | |||||||||||
| Pan i magnitude | 17.79 (0.004) | |||||||||||
| Pan z magnitude | 17.37 (0.008) | |||||||||||
| Pan y magnitude | 17.14 (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.