All names: SDSS J172715.56+542937.9, WIRED J172715.56+542938.1, TIC 198458123, [SGR2010] J1727+5429, SDSS J172715.57+542938.1, WD 1726+545, SDSS J172715.56+542938.1, Gaia EDR3 1419445631441160448, SDSS J172715.57+542938.2, Gaia DR3 1419445631441160448, SDSS J172715.57+542938.0, Gaia DR2 1419445631441160448, 2MASS J17271558+5429377, [HHD2009] SDSS J1727+5429
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 27 15.58 (0.1) | 17 27 15.57 | 17 27 15.58 (0.2) | 17 27 15.57 (0.1) | 17 27 15.57 | 17 27 15.07 | 17 27 15.57 | |||
| Declination | 54 29 38.21 (0.2) | 54 29 38.03 | 54 29 38.20 (0.3) | 54 29 38.05 (0.2) | 54 29 37.96 | 54 29 35.16 | 54 29 38.15 | |||
| Spectral type | DA+dMe | DA+M | DA+ME | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.54 (0.2) | 10.00 (0.003) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.86 (0.2) | 2.07 (0.2) | 1.86 (0.2) | ||||||
| Distance | [pc] | 536.88 (45) | 482.92 (54) | 536.88 (45) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.823940787 (0.2) | 9.058689013 (0.5) | 9.824 (0.2) | 12.4 | |||||
| Proper motion (declination) | [mas/yr] | 9.802736017 (0.2) | 10.1242035 (0.5) | 9.803 (0.2) | 2.1 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.19 (0.1) | |||||||||
| H magnitude | 15.46 (0.1) | |||||||||
| K magnitude | 15.32 (0.2) | |||||||||
| u magnitude | 19.97 (0.03) | 19.98 (0.04) | 19.99 (0.04) | 19.96 | 19.97 (0.04) | |||||
| g magnitude | 19.39 (0.01) | 19.40 (0.01) | 19.38 (0.02) | 19.38 | 19.37 (0.02) | |||||
| r magnitude | 18.90 (0.01) | 18.90 (0.01) | 18.91 (0.02) | 18.91 | 18.91 (0.02) | |||||
| i magnitude | 18.03 (0.008) | 18.04 (0.009) | 18.04 (0.02) | 18.05 | 18.05 (0.02) | |||||
| z magnitude | 17.46 (0.01) | 17.46 (0.01) | 17.48 (0.02) | 17.49 | 17.48 (0.02) | |||||
| G magnitude | 18.56 (0.05) | 18.56 | 18.56 (0.004) | |||||||
| BP magnitude | 19.23 (0.05) | 19.29 | ||||||||
| RP magnitude | 17.62 (0.02) | 17.61 | ||||||||
| Pan g magnitude | 19.35 (0.006) | |||||||||
| Pan r magnitude | 18.87 (0.009) | |||||||||
| Pan i magnitude | 18.02 (0.004) | |||||||||
| Pan z magnitude | 17.53 (0.005) | |||||||||
| Pan y magnitude | 17.32 (0.009) | |||||||||
| 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.