All names: GALEX J154928.6+385419, Gaia EDR3 1376759806911801728, Gaia DR2 1376759806911801728, WD 1547+390, WIRED J154928.55+385419.3, Gaia DR3 1376759806911801728, [SGR2010] J1549+3854, TIC 29266369, SDSS J154928.55+385419.3, 2MASS J15492854+3854195, SDSS J154928.56+385419.4, SDSS J154928.56+385419.3
| 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 | 15 49 28.58 (0.1) | 15 49 28.56 | 15 49 28.58 (0.2) | 15 49 28.55 (0.1) | 15 49 28.56 | 15 49 28.37 | 15 49 28.56 | |||
| Declination | 38 54 19.15 (0.1) | 38 54 19.41 | 38 54 19.16 (0.2) | 38 54 19.40 (0.1) | 38 54 19.39 | 38 54 14.40 | 38 54 19.39 | |||
| Spectral type | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (1) | |||||||
| log(g) | [cgs] | 8.74 (0.09) | 5.75 (0.1) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.58 (0.2) | 2.32 (0.2) | 2.58 (0.2) | ||||||
| Distance | [pc] | 388.30 (23) | 431.08 (39) | 388.29 (23) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 20.75989848 (0.1) | 21.13365921 (0.4) | 20.76 (0.1) | 20.7 | |||||
| Proper motion (declination) | [mas/yr] | -15.58137474 (0.2) | -15.19489501 (0.4) | -15.581 (0.2) | -18.6 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.03 (0.04) | |||||||||
| H magnitude | 14.47 (0.06) | |||||||||
| K magnitude | 14.24 (0.06) | |||||||||
| u magnitude | 19.88 (0.04) | 19.86 (0.04) | 19.87 (0.04) | 19.87 | 19.88 (0.04) | |||||
| g magnitude | 18.78 (0.008) | 18.78 (0.008) | 18.81 (0.01) | 18.81 | 18.80 (0.02) | |||||
| r magnitude | 17.82 (0.006) | 17.81 (0.006) | 17.85 (0.01) | 17.85 | 17.85 (0.01) | |||||
| i magnitude | 16.91 (0.005) | 16.91 (0.005) | 16.93 (0.01) | 16.93 | 16.92 (0.02) | |||||
| z magnitude | 16.37 (0.008) | 16.36 (0.009) | 16.39 (0.02) | 16.39 | 16.37 (0.02) | |||||
| G magnitude | 17.65 (0.02) | 17.63 | 17.65 (0.004) | |||||||
| BP magnitude | 18.47 (0.02) | 18.50 | ||||||||
| RP magnitude | 16.50 (0.005) | 16.52 | ||||||||
| Pan g magnitude | 18.72 (0.01) | |||||||||
| Pan r magnitude | 17.85 (0.005) | |||||||||
| Pan i magnitude | 16.94 (0.003) | |||||||||
| Pan z magnitude | 16.50 (0.004) | |||||||||
| Pan y magnitude | 16.29 (0.01) | |||||||||
| E(B-V) | 0.022 | |||||||||
* 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.