All names: SDSS J170328.68+234019.6, WD 1701+237, 2MASS J17032868+2340195, Gaia EDR3 4571597416459740416, SDSS J170328.68+234019.7, TIC 376790956, Gaia DR2 4571597416459740416, Gaia DR3 4571597416459740416, SDSS J170328.69+234019.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 03 28.69 (0.06) | 17 03 28.69 | 17 03 28.69 (0.09) | 17 03 28.68 | 17 03 28.69 (0.06) | 17 03 28.37 | |||
| Declination | 23 40 19.62 (0.1) | 23 40 19.72 | 23 40 19.63 (0.1) | 23 40 19.60 | 23 40 19.74 (0.1) | 23 40 14.88 | |||
| Spectral type | WD+M | D+M | WD M | ||||||
| Effective temperature | [K] | ||||||||
| log(g) | [cgs] | ||||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.79 (0.1) | 0.81 (0.2) | 0.79 (0.1) | |||||
| Distance | [pc] | 1269.45 (196) | 1228.70 (242) | 137.00 (16) | 1269.52 (196) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 7.242090919 (0.09) | 7.528053087 (0.2) | 7.242 (0.09) | |||||
| Proper motion (declination) | [mas/yr] | -7.398761926 (0.1) | -6.818445771 (0.2) | -7.399 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.45 (0.1) | ||||||||
| H magnitude | 15.40 (0.1) | ||||||||
| K magnitude | 15.45 (0.2) | ||||||||
| u magnitude | 20.88 (0.07) | 20.86 | 20.88 (0.08) | 20.85 | |||||
| g magnitude | 19.54 (0.01) | 19.54 | 19.54 (0.01) | 19.53 | |||||
| r magnitude | 18.50 (0.008) | 18.50 | 18.50 (0.008) | 18.49 | |||||
| i magnitude | 17.84 (0.007) | 17.81 | 17.83 (0.008) | 17.81 | |||||
| z magnitude | 17.42 (0.01) | 17.42 | 17.43 (0.01) | 17.42 | |||||
| G magnitude | 18.37 (0.02) | 18.39 | 18.37 (0.003) | ||||||
| BP magnitude | 19.19 (0.02) | 19.22 | |||||||
| RP magnitude | 17.45 (0.007) | 17.47 | |||||||
| Pan g magnitude | 19.40 (0.01) | ||||||||
| Pan r magnitude | 18.51 (0.008) | ||||||||
| Pan i magnitude | 17.86 (0.005) | ||||||||
| Pan z magnitude | 17.50 (0.006) | ||||||||
| Pan y magnitude | 17.33 (0.02) | ||||||||
| E(B-V) | 0.035 | ||||||||
* 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.