All names: SDSS J145210.98+184846.5, Gaia EDR3 1236891035822511104, SDSS J145210.98+184846.6, GALEX J145210.9+184847, WIRED J145210.97+184846.6, Gaia DR2 1236891035822511104, Gaia DR3 1236891035822511104, SDSS J145210.97+184846.5, LAMOST J145210.97+184846.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 52 10.98 (0.3) | 14 52 10.98 | 14 52 10.98 (0.5) | 14 52 10.98 (0.3) | 14 52 10.98 | |||
| Declination | 18 48 46.50 (0.3) | 18 48 46.56 | 18 48 46.50 (0.5) | 18 48 46.62 (0.3) | 18 48 46.63 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 9111.0 (117) | ||||||
| log(g) | [cgs] | 7.62 (0.2) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.16 (0.4) | 1.67 (0.5) | 2.16 (0.4) | ||||
| Distance | [pc] | 462.97 (88) | 600.54 (195) | 462.96 (88) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.483567288 (0.4) | 0.749191592 (1) | 0.484 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | -7.442439984 (0.4) | -6.484833129 (1) | -7.442 (0.4) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 19.87 (0.03) | 19.87 (0.03) | 19.87 (0.03) | |||||
| g magnitude | 19.36 (0.01) | 19.36 (0.01) | 19.36 (0.02) | |||||
| r magnitude | 19.46 (0.01) | 19.46 (0.01) | 19.48 (0.02) | |||||
| i magnitude | 19.19 (0.02) | 19.19 (0.01) | 19.21 (0.02) | |||||
| z magnitude | 18.74 (0.03) | 18.74 (0.03) | 18.75 (0.03) | |||||
| G magnitude | 19.31 (0.04) | 19.31 | 19.31 (0.007) | |||||
| BP magnitude | 19.43 (0.04) | 19.36 | ||||||
| RP magnitude | 18.89 (0.05) | 18.74 | ||||||
| Pan g magnitude | 19.36 (0.01) | |||||||
| Pan r magnitude | 19.49 (0.008) | |||||||
| Pan i magnitude | 19.21 (0.01) | |||||||
| Pan z magnitude | 18.85 (0.01) | |||||||
| Pan y magnitude | 18.59 (0.02) | |||||||
| E(B-V) | 0.032 | |||||||
* 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.