All names: SDSS J105009.60+031550.7, Gaia DR2 3809777626689513216, SDSS J105009.59+031550.6, Gaia EDR3 3809777626689513216, USNO-B1.0 0932-00228004, Gaia DR3 3809777626689513216, [BGK2006] HV 12
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 50 09.60 (0.6) | 10 50 09.60 | 10 50 09.60 (0.7) | 10 50 09.60 (0.6) | 10 50 09.60 | ||
| Declination | 03 15 50.62 (0.4) | 03 15 50.67 | 03 15 50.62 (0.5) | 03 15 50.62 (0.4) | 03 15 50.67 | ||
| Spectral type | sd | SD_auto | |||||
| Effective temperature | [K] | 13666.0 (396) | |||||
| log(g) | [cgs] | 5.02 (0.03) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.16 (0.5) | -0.16 (0.7) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.928314471 (0.9) | 0.420198563 (1) | 0.928 (0.9) | -0.3 | ||
| Proper motion (declination) | [mas/yr] | -0.193428871 (0.6) | 0.285348317 (1) | -0.193 (0.6) | -3.8 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 20.20 | ||||||
| V magnitude | 19.76 | ||||||
| R magnitude | 19.80 | ||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.71 (0.07) | 20.71 (0.07) | 20.68 (0.08) | ||||
| g magnitude | 19.78 (0.02) | 19.78 (0.02) | 19.75 (0.03) | ||||
| r magnitude | 20.02 (0.02) | 20.02 (0.02) | 20.03 (0.03) | ||||
| i magnitude | 20.28 (0.05) | 20.27 (0.05) | 20.29 (0.05) | ||||
| z magnitude | 20.13 (0.1) | 20.14 (0.1) | 20.14 (0.1) | ||||
| G magnitude | 19.88 (0.07) | 19.91 | 19.88 (0.007) | ||||
| BP magnitude | 20.00 (0.07) | 19.78 | |||||
| RP magnitude | 20.41 (0.1) | 19.78 | |||||
| Pan g magnitude | 19.78 (0.009) | ||||||
| Pan r magnitude | 20.01 (0.04) | ||||||
| Pan i magnitude | 20.24 (0.01) | ||||||
| Pan z magnitude | 20.36 (0.03) | ||||||
| Pan y magnitude | 20.21 (0.2) | ||||||
| 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.