All names: Gaia DR3 3266499065865001984, SDSS J030907.48+002419.1, LAMOST J030907.48+002419.2, SDSS J030907.49+002419.1, [VV2006] J030907.5+002419, Gaia EDR3 3266499065865001984, 2SLAQ J030907.49+002419.0, 2MASS J03090748+0024191, TIC 328380310, [VV2010] J030907.5+002419, SDSS J030907.48+002419.2, [VV2003] J030907.5+002419, SDSS J030907.49+002419.0, Gaia DR2 3266499065865001984
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 09 07.49 (0.3) | 03 09 07.49 | 03 09 07.49 (0.3) | 03 09 07.49 (0.3) | 03 09 07.48 | |||
| Declination | 00 24 19.11 (0.3) | 00 24 19.11 | 00 24 19.11 (0.3) | 00 24 19.11 (0.3) | 00 24 19.25 | |||
| Spectral type | ?_(DA+QSO?) | |||||||
| Effective temperature | [K] | 6574.0 (152) | ||||||
| log(g) | [cgs] | 9.60 (0.5) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | -0.13 (0.4) | 0.25 (0.4) | 0.25 (0.4) | ||||
| Distance | [pc] | 3997.47 (6560) | 3996.80 (6558) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.051072233 (0.3) | -0.320842043 (0.6) | 0.051 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | -0.223151724 (0.3) | -0.99101033 (0.6) | -0.223 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 19.76 | |||||||
| V magnitude | 19.38 | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 17.78 (0.3) | |||||||
| H magnitude | 16.61 (0.2) | |||||||
| K magnitude | 15.93 (0.2) | |||||||
| u magnitude | 19.55 (0.03) | 19.53 (0.03) | 19.70 (0.04) | |||||
| g magnitude | 19.41 (0.01) | 19.43 (0.02) | 19.59 (0.02) | |||||
| r magnitude | 19.11 (0.01) | 19.11 (0.02) | 19.13 (0.02) | |||||
| i magnitude | 18.89 (0.01) | 18.89 (0.02) | 18.92 (0.03) | |||||
| z magnitude | 18.69 (0.03) | 18.70 (0.03) | 18.66 (0.04) | |||||
| G magnitude | 19.20 (0.03) | 19.21 | 19.20 (0.005) | |||||
| BP magnitude | 19.47 (0.03) | 19.44 | ||||||
| RP magnitude | 18.70 (0.04) | 18.68 | ||||||
| Pan g magnitude | 19.53 (0.02) | |||||||
| Pan r magnitude | 19.26 (0.01) | |||||||
| Pan i magnitude | 19.02 (0.006) | |||||||
| Pan z magnitude | 18.82 (0.01) | |||||||
| Pan y magnitude | 18.83 (0.02) | |||||||
| E(B-V) | 0.062 | |||||||
* 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.