All names: GALEX J223049.4-094509, J2230-0945, SDSS J223049.53-094509.0, 2MASS J22304953-0945090, Gaia EDR3 2609067704606647680, WIRED J223049.53-094509.0, Gaia DR2 2609067704606647680, PHL 5242, SDSS J223049.53-094509.1, WD 2228-100, PSO J337.7061-09.7527, SDSS J223049.52-094509.0, USNO-B1.0 0802-00683376, WDJ223049.54-094508.97, Gaia DR3 2609067704606647680, TIC 250956127
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 30 49.48 (0.08) | 22 30 49.53 | 22 30 49.48 (0.1) | 22 30 49.48 | 22 30 49.54 (0.08) | 22 30 49.48 | 22 30 49.53 | 22 30 49.25 | 22 30 49.53 | |||||||||
| Declination | -09 45 09.89 (0.08) | -09 45 09.03 | -09 45 09.86 (0.1) | -09 45 09.89 | -09 45 08.97 (0.08) | -09 45 09.86 | -09 45 09.06 | -09 45 04.68 | -09 45 09.08 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||||
| Effective temperature | [K] | 7279.0 (32) | 7255.0 (70) | 7330.0 | 7063.0 | 7340.0 (30) | 7298.0 (104) | 7833.0 (22) | 7197.0 (22) | |||||||||
| log(g) | [cgs] | 7.92 (0.01) | 7.90 (0.03) | 7.92 | 7.80 | 7.88 (0.06) | 7.91 (0.03) | 8.55 (0.04) | 7.70 (0.04) | |||||||||
| Mass | [M☉] | 0.546 (0.01) | 0.534 (0.01) | 0.544 | 0.462 | 0.53 (0.03) | 0.539 (0.02) | 0.457 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||
| Cooling age | [Gyr] | 1.2700 | 1.2030 (0.06) | 1.2000 | 1.1840 | 1.1482 | ||||||||||||
| 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] | 14.50 (0.1) | 14.50 (0.1) | 14.50 (0.1) | 14.50 (0.1) | 14.50 | 14.50 (0.1) | 14.50 (0.1) | ||||||||||
| Distance | [pc] | 68.95 (0.5) | 68.97 (0.6) | 68.98 (0.6) | 68.98 (0.6) | 68.95 | 68.95 (0.5) | 68.98 (0.6) | ||||||||||
| Composition | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -50.77603868 (0.1) | -50.4926217 (0.2) | -50.776 (0.1) | -50.493 | -52.4 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -57.84382175 (0.1) | -57.58063971 (0.2) | -57.844 (0.1) | -57.581 | -62.5 | ||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 17.90 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 17.10 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 16.78 (0.01) | 16.68 (0.1) | 16.68 (0.1) | |||||||||||||||
| H magnitude | 16.12 (0.08) | 16.12 (0.08) | ||||||||||||||||
| K magnitude | 16.67 (0.04) | 17.00 (0.2) | ||||||||||||||||
| u magnitude | 17.97 (0.01) | 18.11 (0.02) | 17.97 (0.01) | 17.97 (0.01) | 17.96 (0.02) | 17.96 | 17.95 (0.02) | |||||||||||
| g magnitude | 17.50 (0.005) | 17.50 (0.004) | 17.50 (0.005) | 17.50 (0.02) | 17.50 | 17.51 (0.02) | ||||||||||||
| r magnitude | 17.35 (0.005) | 17.36 (0.003) | 17.35 (0.005) | 17.35 (0.01) | 17.35 | 17.35 (0.01) | ||||||||||||
| i magnitude | 17.34 (0.006) | 17.36 (0.003) | 17.34 (0.006) | 17.34 (0.01) | 17.34 | 17.33 (0.01) | ||||||||||||
| z magnitude | 17.33 (0.02) | 17.42 (0.006) | 17.33 (0.01) | 17.34 (0.02) | 17.34 | 17.33 (0.02) | ||||||||||||
| G magnitude | 17.33 (0.01) | 17.35 | 17.33 | 17.33 (0.003) | 17.35 | |||||||||||||
| BP magnitude | 17.51 (0.01) | 17.51 | 17.51 | |||||||||||||||
| RP magnitude | 17.04 (0.007) | 17.03 | 17.03 | |||||||||||||||
| Pan g magnitude | 17.50 (0.005) | 17.50 (0.004) | 17.50 (0.004) | |||||||||||||||
| Pan r magnitude | 17.36 (0.003) | 17.36 (0.003) | 17.36 (0.003) | |||||||||||||||
| Pan i magnitude | 17.36 (0.002) | 17.36 (0.003) | 17.36 (0.003) | |||||||||||||||
| Pan z magnitude | 17.42 (0.005) | 17.42 (0.006) | 17.42 (0.006) | |||||||||||||||
| Pan y magnitude | 17.48 (0.01) | 17.48 (0.009) | 17.48 (0.009) | |||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||||
* 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.