All names: SDSS J155332.86+045735.1, 2MASS J15533287+0457350, WISEA J155332.88+045734.6, WD 1551+051, Gaia EDR3 4426165563212112512, Gaia DR2 4426165563212112512, WIRED J155332.86+045735.1, SDSS J155332.86+045735.2, TIC 272814923, SDSS J155332.87+045735.2, WISE J155332.89+045734.6
| 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 | 15 53 32.85 (2) | 15 53 32.87 | 15 53 32.85 (2) | 15 53 32.86 | 15 53 32.87 | 15 53 32.87 | 15 53 32.78 | 15 53 32.87 | |||
| Declination | 04 57 35.09 (0.7) | 04 57 35.21 | 04 57 35.10 (0.5) | 04 57 35.10 | 04 57 35.21 | 04 57 35.20 | 04 57 34.20 | 04 57 35.20 | |||
| Spectral type | DA+M | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 10793.0 (385) | 6300.0 (2) | 6300.0 (1) | |||||||
| log(g) | [cgs] | 8.48 (0.3) | 5.65 (0.8) | 6.10 (0.2) | |||||||
| Mass | [M☉] | 0.91 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | ||||||||||
| Distance | [pc] | 993.00 (153) | |||||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.3 | |||||||||
| Proper motion (declination) | [mas/yr] | -28.7 | |||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.77 (0.06) | ||||||||||
| H magnitude | 15.19 (0.07) | ||||||||||
| K magnitude | 14.89 (0.1) | ||||||||||
| u magnitude | 19.87 (0.04) | 19.93 | 19.87 (0.04) | 19.93 (0.04) | 19.93 | 19.93 (0.04) | |||||
| g magnitude | 19.10 (0.01) | 19.23 | 19.10 (0.01) | 19.23 (0.02) | 19.23 | 19.22 (0.02) | |||||
| r magnitude | 18.58 (0.009) | 18.74 | 18.58 (0.009) | 18.74 (0.02) | 18.74 | 18.74 (0.02) | |||||
| i magnitude | 17.67 (0.007) | 17.77 | 17.67 (0.007) | 17.77 (0.02) | 17.77 | 17.78 (0.02) | |||||
| z magnitude | 17.06 (0.01) | 17.15 | 17.06 (0.01) | 17.16 (0.02) | 17.16 | 17.16 (0.02) | |||||
| G magnitude | 19.40 | 19.44 | |||||||||
| BP magnitude | |||||||||||
| RP magnitude | |||||||||||
| Pan g magnitude | 19.11 (0.01) | ||||||||||
| Pan r magnitude | 18.70 (0.02) | ||||||||||
| Pan i magnitude | 17.80 (0.009) | ||||||||||
| Pan z magnitude | 17.26 (0.005) | ||||||||||
| Pan y magnitude | 17.00 (0.008) | ||||||||||
| E(B-V) | 0.045 | ||||||||||
* 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.