All names: 2MASS J08484617+1927590, GALEX J084846.1+192759, WD 0845+196, SDSS J084846.17+192758.9, EPIC 211949591, Gaia EDR3 660340261003800192, Gaia DR3 660340261003800192, Gaia DR2 660340261003800192, TIC 332022701, SDSS J084846.18+192758.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 48 46.18 (0.4) | 08 48 46.18 | 08 48 46.17 | 08 48 46.18 (0.4) | 08 48 45.43 | 08 48 46.18 | |||
| Declination | 19 27 58.76 (0.2) | 19 27 58.88 | 19 27 58.90 | 19 27 58.96 (0.2) | 19 27 51.48 | 19 27 58.91 | |||
| Spectral type | DA+M | DA+M | DA3.3 M | DA+M | |||||
| Effective temperature | [K] | 14728.0 (888) | 6300.0 (3) | ||||||
| log(g) | [cgs] | 7.96 (0.2) | 5.00 (0.01) | ||||||
| Mass | [M☉] | 0.59 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.03 (0.5) | 1.03 (0.5) | ||||||
| Distance | [pc] | 966.90 (480) | 966.93 (480) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.445176144 (0.5) | 1.445 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -12.16639354 (0.4) | -12.166 (0.4) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.12 (0.04) | ||||||||
| H magnitude | 14.49 (0.06) | ||||||||
| K magnitude | 14.30 (0.07) | ||||||||
| u magnitude | 19.54 (0.03) | 19.54 | 19.54 (0.03) | 19.53 | 19.55 (0.03) | ||||
| g magnitude | 18.65 (0.008) | 18.66 | 18.65 (0.008) | 18.65 | 18.65 (0.02) | ||||
| r magnitude | 17.85 (0.007) | 17.84 | 17.84 (0.007) | 17.83 | 17.84 (0.01) | ||||
| i magnitude | 16.91 (0.006) | 16.92 | 16.91 (0.006) | 16.91 | 16.91 (0.01) | ||||
| z magnitude | 16.37 (0.009) | 16.40 | 16.38 (0.009) | 16.39 | 16.40 (0.02) | ||||
| G magnitude | 17.57 (0.01) | 17.57 (0.005) | |||||||
| BP magnitude | 18.41 (0.01) | ||||||||
| RP magnitude | 16.48 (0.006) | ||||||||
| Pan g magnitude | 18.56 (0.006) | ||||||||
| Pan r magnitude | 17.82 (0.005) | ||||||||
| Pan i magnitude | 16.91 (0.004) | ||||||||
| Pan z magnitude | 16.48 (0.008) | ||||||||
| Pan y magnitude | 16.23 (0.006) | ||||||||
| E(B-V) | 0.028 | ||||||||
* 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.