All names: SDSS J145527.71+611504.6, TIC 335721917, WIRED J145527.72+611504.7, 2MASS J14552773+6115044, WD 1454+614, Gaia EDR3 1619325781535523072, SDSS J145527.72+611504.8, SDSS J145527.72+611504.6, Gaia DR2 1619325781535523072, [HHD2009] SDSS J1455+6115, Gaia DR3 1619325781535523072, SDSS J145527.72+611504.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 55 27.67 (0.1) | 14 55 27.72 | 14 55 27.68 (0.2) | 14 55 27.72 | 14 55 27.72 (0.1) | 14 55 27.73 | 14 55 26.26 | 14 55 27.72 | |||
| Declination | 61 15 04.59 (0.1) | 61 15 04.68 | 61 15 04.59 (0.2) | 61 15 04.72 | 61 15 04.59 (0.1) | 61 15 04.63 | 61 15 01.80 | 61 15 04.76 | |||
| Spectral type | DA+M | DA+M | DA+M | DA+ME | DA+M | ||||||
| Effective temperature | [K] | 23076.0 (1825) | 6722.0 (69) | 6380.0 (57) | |||||||
| log(g) | [cgs] | 7.52 (0.3) | 7.11 (0.2) | 6.12 (0.3) | |||||||
| Mass | [M☉] | 0.41 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.38 (0.1) | 1.41 (0.2) | 1.38 (0.1) | |||||||
| Distance | [pc] | 724.97 (75) | 710.37 (89) | 168.00 (85) | 724.95 (75) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.72416245 (0.2) | -21.27742733 (0.5) | -21.724 (0.2) | -17.9 | ||||||
| Proper motion (declination) | [mas/yr] | -0.054666179 (0.2) | -0.232017922 (0.4) | -0.055 (0.2) | -4.9 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.59 (0.1) | ||||||||||
| H magnitude | 16.21 (0.2) | ||||||||||
| K magnitude | 15.55 (0.2) | ||||||||||
| u magnitude | 19.27 (0.02) | 19.27 | 19.28 (0.03) | 19.27 (0.03) | 19.27 | 19.25 (0.03) | |||||
| g magnitude | 19.23 (0.01) | 19.24 | 19.22 (0.01) | 19.24 (0.02) | 19.21 | 19.24 (0.02) | |||||
| r magnitude | 19.25 (0.01) | 19.25 | 19.25 (0.01) | 19.25 (0.02) | 19.25 | 19.25 (0.02) | |||||
| i magnitude | 18.60 (0.01) | 18.58 | 18.59 (0.01) | 18.57 (0.02) | 18.57 | 18.59 (0.02) | |||||
| z magnitude | 18.01 (0.02) | 18.00 | 18.00 (0.02) | 18.00 (0.03) | 18.00 | 18.00 (0.03) | |||||
| G magnitude | 18.88 (0.03) | 18.89 | 18.88 (0.003) | ||||||||
| BP magnitude | 19.31 (0.03) | 19.27 | |||||||||
| RP magnitude | 18.20 (0.02) | 18.15 | |||||||||
| Pan g magnitude | 19.28 (0.03) | ||||||||||
| Pan r magnitude | 19.23 (0.008) | ||||||||||
| Pan i magnitude | 18.61 (0.01) | ||||||||||
| Pan z magnitude | 18.14 (0.008) | ||||||||||
| Pan y magnitude | 17.89 (0.02) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* 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.