All names: SDSS J083318.51+153647.3, SDSS J083318.51+153647.2, USNO-B1.0 1056-00174865, Gaia DR3 657884437360435072, Gaia EDR3 657884437360435072, Gaia DR2 657884433063369984
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 33 18.52 (0.5) | 08 33 18.51 | 08 33 18.52 (0.9) | 08 33 18.52 (0.5) | 08 33 18.51 | ||
| Declination | 15 36 47.29 (0.3) | 15 36 47.30 | 15 36 47.29 (0.6) | 15 36 47.32 (0.3) | 15 36 47.29 | ||
| Spectral type | A0 | DA_NOTWD | |||||
| Effective temperature | [K] | 8369.0 (107) | |||||
| log(g) | [cgs] | 5.08 (0.09) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.41 (0.6) | -0.74 (1) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.140093414 (0.6) | 0.42245281 (2) | 0.14 (0.6) | |||
| Proper motion (declination) | [mas/yr] | -1.543751176 (0.4) | -2.496157997 (1) | -1.544 (0.4) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 20.60 | ||||||
| V magnitude | |||||||
| R magnitude | 19.50 | ||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 21.18 (0.08) | 21.19 (0.09) | 21.16 (0.08) | ||||
| g magnitude | 19.93 (0.02) | 19.93 (0.01) | 19.95 (0.02) | ||||
| r magnitude | 19.93 (0.02) | 19.93 (0.02) | 19.92 (0.02) | ||||
| i magnitude | 20.11 (0.03) | 20.11 (0.03) | 20.14 (0.03) | ||||
| z magnitude | 20.16 (0.1) | 20.16 (0.1) | 20.14 (0.09) | ||||
| G magnitude | 19.92 (0.07) | 19.96 | 19.92 (0.006) | ||||
| BP magnitude | 20.07 (0.07) | 20.03 | |||||
| RP magnitude | 19.84 (0.1) | 19.90 | |||||
| Pan g magnitude | 19.97 (0.02) | ||||||
| Pan r magnitude | 19.96 (0.02) | ||||||
| Pan i magnitude | 20.09 (0.01) | ||||||
| Pan z magnitude | 20.15 (0.02) | ||||||
| Pan y magnitude | 19.89 (0.004) | ||||||
| E(B-V) | |||||||
* 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.