All names: WD 2237-033, Gaia EDR3 2625541412447911424, SDSS J224011.01-030320.7, WDJ224011.13-030318.60, 2MASS J22401111-0303184, J2240-0303, Gaia DR3 2625541412447911424, GSC2U J224011.2-030316, SDSS J224011.00-030320.7, TIC 250317557, Gaia DR2 2625541412447911424, LP 700-65
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 40 10.92 (0.1) | 22 40 10.93 (0.2) | 22 40 10.92 | 22 40 11.13 (0.1) | 22 40 10.93 | 22 40 11.06 | |||||||
| Declination | -03 03 22.12 (0.1) | -03 03 22.01 (0.2) | -03 03 22.12 | -03 03 18.59 (0.1) | -03 03 22.01 | -03 03 13.68 | |||||||
| Spectral type | DC | DC | DA | DC | DC | ||||||||
| Effective temperature | [K] | 5097.0 (31) | 5060.0 (29) | 5074.0 | 4758.0 | 5147.0 (85) | |||||||
| log(g) | [cgs] | 8.02 (0.02) | 8.00 (0.02) | 8.01 | 7.79 | 8.06 (0.04) | |||||||
| Mass | [M☉] | 0.591 (0.01) | 0.581 (0.02) | 0.585 | 0.45 | 0.617 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.5700 | 5.4200 | 4.2740 | |||||||||
| 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] | 19.61 (0.2) | 19.69 (0.2) | 19.69 (0.2) | 19.61 | 19.61 (0.2) | 19.69 (0.2) | ||||||
| Distance | [pc] | 50.98 (0.5) | 50.79 (0.6) | 50.79 (0.6) | 50.98 | 50.98 (0.5) | 50.79 (0.6) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -196.5244134 (0.2) | -196.947 (0.3) | -196.524 (0.2) | -196.9468304 | ||||||||
| Proper motion (declination) | [mas/yr] | -220.6299126 (0.2) | -220.141 (0.3) | -220.63 (0.2) | -220.1408892 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.02 (0.02) | 16.93 (0.2) | |||||||||||
| H magnitude | 16.55 (0.3) | 16.55 (0.3) | |||||||||||
| K magnitude | 16.68 (0.07) | ||||||||||||
| u magnitude | 20.55 (0.07) | 20.55 (0.07) | 20.55 (0.07) | ||||||||||
| g magnitude | 18.97 (0.01) | 18.97 (0.01) | |||||||||||
| r magnitude | 18.30 (0.008) | 18.30 (0.008) | |||||||||||
| i magnitude | 18.02 (0.009) | 18.02 (0.009) | |||||||||||
| z magnitude | 17.90 (0.02) | 17.90 (0.02) | |||||||||||
| G magnitude | 18.33 (0.03) | 18.35 | 18.33 | 18.33 (0.003) | 18.35 | ||||||||
| BP magnitude | 18.81 (0.03) | 18.83 | 18.83 | ||||||||||
| RP magnitude | 17.76 (0.02) | 17.75 | 17.75 | ||||||||||
| Pan g magnitude | 18.88 (0.01) | 18.88 (0.01) | |||||||||||
| Pan r magnitude | 18.30 (0.005) | 18.30 (0.006) | |||||||||||
| Pan i magnitude | 18.05 (0.006) | 18.05 (0.005) | |||||||||||
| Pan z magnitude | 17.98 (0.01) | 17.98 (0.01) | |||||||||||
| Pan y magnitude | 17.94 (0.01) | 17.94 (0.01) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* 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.