All names: [SGR2010] J0924+0024, TIC 262747599, LAMOST J092452.40+002448.9, GALEX J092452.4+002449, SDSS J092452.40+002448.9, Gaia DR2 3840862774616739328, WD 0922+006, SDSS J092452.40+002449.0, WIRED J092452.39+002449.0, Gaia EDR3 3840862774616739328, 2MASS J09245240+0024490, Gaia DR3 3840862774616739328, SDSS J092452.39+002449.0, [HHD2009] SDSS J0924+0024, SBC9 3364
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 24 52.42 (0.1) | 09 24 52.41 | 09 24 52.42 (0.1) | 09 24 52.39 | 09 24 52.41 (0.1) | 09 24 52.41 | 09 24 52.13 | 09 24 52.40 | ||||||
| Declination | 00 24 48.86 (0.08) | 00 24 48.99 | 00 24 48.87 (0.1) | 00 24 49.00 | 00 24 49.00 (0.08) | 00 24 48.97 | 00 24 44.28 | 00 24 49.02 | ||||||
| Spectral type | DA+M | DA+M | DA | DA+dMe | DA+M | DA+M | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 19193.0 (335) | 20930.0 (330) | 9702.0 (37) | 9607.0 (42) | |||||||||
| log(g) | [cgs] | 7.81 (0.07) | 7.90 (0.05) | 8.49 (0.03) | 8.37 (0.04) | |||||||||
| Mass | [M☉] | 0.52 (0.03) | 0.57 (0.03) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0468 | ||||||||||||
| 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] | 3.54 (0.1) | 3.65 (0.2) | 3.54 (0.1) | ||||||||||
| Distance | [pc] | 282.73 (9) | 274.31 (12) | 534.00 (55) | 282.73 (9) | |||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 12.21123875 (0.1) | 12.2903742 (0.3) | 12.211 (0.1) | 16.3 | |||||||||
| Proper motion (declination) | [mas/yr] | -8.451914723 (0.08) | -8.198614842 (0.3) | -8.452 (0.08) | -10.4 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.07 (0.007) | |||||||||||||
| H magnitude | 15.57 (0.01) | |||||||||||||
| K magnitude | 15.27 (0.01) | |||||||||||||
| u magnitude | 18.16 (0.01) | 18.18 | 18.16 (0.01) | 18.18 (0.02) | 18.16 | 18.17 (0.02) | ||||||||
| g magnitude | 18.01 (0.006) | 18.03 | 18.01 (0.006) | 18.03 (0.02) | 18.03 | 18.03 (0.02) | ||||||||
| r magnitude | 18.21 (0.008) | 18.22 | 18.21 (0.008) | 18.22 (0.02) | 18.22 | 18.22 (0.02) | ||||||||
| i magnitude | 17.87 (0.008) | 17.87 | 17.87 (0.008) | 17.87 (0.01) | 17.87 | 17.87 (0.02) | ||||||||
| z magnitude | 17.39 (0.02) | 17.41 | 17.39 (0.02) | 17.41 (0.02) | 17.41 | 17.41 (0.02) | ||||||||
| G magnitude | 17.91 (0.01) | 17.93 | 17.91 (0.003) | |||||||||||
| BP magnitude | 18.12 (0.01) | 18.14 | ||||||||||||
| RP magnitude | 17.45 (0.01) | 17.45 | ||||||||||||
| Pan g magnitude | 18.08 (0.004) | |||||||||||||
| Pan r magnitude | 18.21 (0.005) | |||||||||||||
| Pan i magnitude | 17.87 (0.006) | |||||||||||||
| Pan z magnitude | 17.51 (0.006) | |||||||||||||
| Pan y magnitude | 17.29 (0.007) | |||||||||||||
| E(B-V) | 0.026 | |||||||||||||
* 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.