All names: SDSS J090505.39+054811.7, WIRED J090505.39+054811.7, WD 0902+060, TIC 270562165, [SGR2010] J0905+0548, SDSS J090505.40+054811.8, SDSS J090505.40+054811.7, Gaia EDR3 580398103442810624, Gaia DR2 580398103442810624, Gaia DR3 580398103442810624, [HHD2009] SDSS J0905+0548, 2MASS J09050539+0548116
| 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 05 05.38 (0.3) | 09 05 05.40 | 09 05 05.38 (0.6) | 09 05 05.39 | 09 05 05.40 (0.3) | 09 05 05.40 | 09 05 05.54 | 09 05 05.40 | ||||
| Declination | 05 48 11.50 (0.3) | 05 48 11.74 | 05 48 11.51 (0.5) | 05 48 11.70 | 05 48 11.78 (0.3) | 05 48 11.74 | 05 48 05.76 | 05 48 11.75 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 29387.0 (544) | 29610.0 (610) | 6919.0 (74) | 6399.0 (53) | |||||||
| log(g) | [cgs] | 8.00 (0.1) | 7.93 (0.1) | 7.54 (0.1) | 5.06 (0.07) | |||||||
| Mass | [M☉] | 0.64 (0.07) | 0.61 (0.06) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0102 | ||||||||||
| 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] | 4.46 (0.4) | 4.95 (0.7) | 4.46 (0.4) | ||||||||
| Distance | [pc] | 224.27 (22) | 201.86 (27) | 568.00 (86) | 224.27 (22) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.88028876 (0.4) | -23.02689318 (1) | -21.88 (0.4) | -19.8 | |||||||
| Proper motion (declination) | [mas/yr] | -17.81372922 (0.3) | -18.27387579 (0.9) | -17.814 (0.3) | -21.4 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.46 (0.004) | |||||||||||
| H magnitude | 14.86 (0.006) | |||||||||||
| K magnitude | 14.59 (0.007) | |||||||||||
| u magnitude | 18.20 (0.01) | 18.21 | 18.19 (0.02) | 18.21 (0.02) | 18.21 | 18.21 (0.02) | ||||||
| g magnitude | 18.25 (0.007) | 18.25 | 18.23 (0.007) | 18.25 (0.02) | 18.26 | 18.25 (0.02) | ||||||
| r magnitude | 18.24 (0.008) | 18.27 | 18.27 (0.008) | 18.27 (0.03) | 18.27 | 18.27 (0.03) | ||||||
| i magnitude | 17.52 (0.007) | 17.55 | 17.55 (0.006) | 17.55 (0.02) | 17.55 | 17.55 (0.02) | ||||||
| z magnitude | 16.86 (0.01) | 16.86 | 16.86 (0.01) | 16.86 (0.02) | 16.86 | 16.86 (0.02) | ||||||
| G magnitude | 17.93 (0.009) | 17.89 | 17.93 (0.009) | |||||||||
| BP magnitude | 18.26 (0.009) | 18.23 | ||||||||||
| RP magnitude | 17.04 (0.007) | 17.05 | ||||||||||
| Pan g magnitude | 18.27 (0.005) | |||||||||||
| Pan r magnitude | 18.26 (0.004) | |||||||||||
| Pan i magnitude | 17.56 (0.003) | |||||||||||
| Pan z magnitude | 17.00 (0.01) | |||||||||||
| Pan y magnitude | 16.72 (0.009) | |||||||||||
| E(B-V) | 0.018 | |||||||||||
* 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.