All names: SDSS J110747.04+154219.6, 2MASS J11074705+1542196, GALEX J110747.0+154218, WD 1105+159, LAMOST J110747.04+154219.6, Gaia DR3 3969556487478790144, SDSS J110747.04+154219.5, SDSS J110747.05+154219.6, Gaia EDR3 3969556487478790144, TIC 77108459, Gaia DR2 3969556487478790144
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 07 47.04 (0.1) | 11 07 47.05 | 11 07 47.04 (0.2) | 11 07 47.05 (0.1) | 11 07 47.14 | 11 07 47.05 | |||
| Declination | 15 42 19.51 (0.2) | 15 42 19.59 | 15 42 19.51 (0.4) | 15 42 19.60 (0.2) | 15 42 15.12 | 15 42 19.61 | |||
| Spectral type | DA+M | DA2.5 M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | |||||||
| log(g) | [cgs] | 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] | 0.69 (0.2) | 0.63 (0.3) | 0.69 (0.2) | |||||
| Distance | [pc] | 1459.34 (404) | 1595.31 (853) | 1459.43 (404) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -10.24018209 (0.2) | -9.656795262 (0.6) | -10.24 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -5.789516211 (0.2) | -6.338179681 (1) | -5.79 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.91 (0.07) | ||||||||
| H magnitude | 15.04 (0.07) | ||||||||
| K magnitude | 14.67 (0.08) | ||||||||
| u magnitude | 19.38 (0.03) | 19.38 (0.03) | 19.34 | 19.36 (0.03) | |||||
| g magnitude | 18.90 (0.01) | 18.91 (0.01) | 18.91 | 18.92 (0.03) | |||||
| r magnitude | 17.93 (0.007) | 17.94 (0.007) | 17.92 | 17.94 (0.01) | |||||
| i magnitude | 17.47 (0.007) | 17.48 (0.007) | 17.48 | 17.47 (0.02) | |||||
| z magnitude | 17.11 (0.01) | 17.12 (0.01) | 17.16 | 17.11 (0.02) | |||||
| G magnitude | 17.94 (0.03) | 17.95 | 17.94 (0.003) | ||||||
| BP magnitude | 18.66 (0.03) | 18.66 | |||||||
| RP magnitude | 17.13 (0.01) | 17.12 | |||||||
| Pan g magnitude | 18.83 (0.006) | ||||||||
| Pan r magnitude | 17.98 (0.004) | ||||||||
| Pan i magnitude | 17.51 (0.005) | ||||||||
| Pan z magnitude | 17.21 (0.008) | ||||||||
| Pan y magnitude | 17.15 (0.01) | ||||||||
| E(B-V) | 0.020 | ||||||||
* 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.