All names: SDSS J223024.36-004607.4, [SGR2010] J2230-0046, SDSS J223024.37-004607.4, 2MASS J22302437-0046072, Gaia DR3 2629990478875471232, WIRED J223024.36-004607.4, TIC 176079966, Gaia EDR3 2629990478875471232, WD 2227-010, Gaia DR2 2629990478875471232
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 30 24.40 (0.2) | 22 30 24.37 | 22 30 24.40 (0.4) | 22 30 24.37 (0.2) | 22 30 24.37 | 22 30 24.17 | 22 30 24.37 | |||
| Declination | -00 46 07.72 (0.2) | -00 46 07.35 | -00 46 07.71 (0.3) | -00 46 07.28 (0.2) | -00 46 07.40 | -00 46 05.52 | -00 46 07.41 | |||
| Spectral type | DA+M5 | DA+M | DA: dM | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.77 (0.1) | 10.00 (0.003) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.69 (0.2) | 1.97 (0.5) | 2.69 (0.2) | ||||||
| Distance | [pc] | 371.06 (33) | 506.55 (140) | 371.06 (33) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 30.32787077 (0.3) | 30.8555101 (0.5) | 30.328 (0.3) | 29.2 | |||||
| Proper motion (declination) | [mas/yr] | -27.56400855 (0.2) | -27.00827661 (0.6) | -27.564 (0.2) | -33.2 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.43 (0.005) | |||||||||
| H magnitude | 14.83 (0.005) | |||||||||
| K magnitude | 14.51 (0.008) | |||||||||
| u magnitude | 20.95 (0.1) | 20.86 (0.09) | 20.87 (0.09) | 20.87 | 20.86 (0.09) | |||||
| g magnitude | 20.08 (0.02) | 20.01 (0.02) | 20.02 (0.03) | 20.02 | 20.03 (0.03) | |||||
| r magnitude | 19.40 (0.01) | 19.35 (0.01) | 19.35 (0.02) | 19.35 | 19.35 (0.02) | |||||
| i magnitude | 18.05 (0.009) | 18.04 (0.008) | 18.05 (0.02) | 18.06 | 18.05 (0.02) | |||||
| z magnitude | 17.07 (0.01) | 17.05 (0.01) | 17.05 (0.02) | 17.05 | 17.03 (0.02) | |||||
| G magnitude | 18.65 (0.07) | 18.68 | 18.65 (0.004) | |||||||
| BP magnitude | 19.85 (0.07) | 19.83 | ||||||||
| RP magnitude | 17.53 (0.01) | 17.51 | ||||||||
| Pan g magnitude | 19.94 (0.02) | |||||||||
| Pan r magnitude | 19.38 (0.01) | |||||||||
| Pan i magnitude | 18.06 (0.005) | |||||||||
| Pan z magnitude | 17.27 (0.004) | |||||||||
| Pan y magnitude | 16.81 (0.01) | |||||||||
| E(B-V) | 0.059 | |||||||||
* 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.