All names: 2MASS J07551935+1722223, SDSS J075519.37+172222.3, Gaia DR2 667510863523589120, TIC 18913007, Gaia DR3 667510863523589120, Gaia EDR3 667510863523589120
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 55 19.39 (0.3) | 07 55 19.37 | 07 55 19.39 (0.3) | 07 55 19.38 | 07 55 19.37 (0.3) | |||
| Declination | 17 22 22.22 (0.2) | 17 22 22.37 | 17 22 22.22 (0.2) | 17 22 22.37 | 17 22 22.38 (0.2) | |||
| Spectral type | WD+M | M2V | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.66 (0.3) | 3.77 (0.4) | 2.66 (0.3) | ||||
| Distance | [pc] | 375.44 (44) | 264.93 (28) | 810.00 (65) | 375.43 (44) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 16.58883337 (0.3) | 20.00931722 (0.6) | 16.589 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | -10.27910159 (0.2) | -10.46159282 (0.4) | -10.279 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.87 (0.08) | |||||||
| H magnitude | 15.15 (0.08) | |||||||
| K magnitude | 14.76 (0.1) | |||||||
| u magnitude | 21.71 (0.1) | 21.54 | 21.50 (0.1) | |||||
| g magnitude | 19.91 (0.02) | 19.96 | 19.94 (0.02) | |||||
| r magnitude | 18.76 (0.01) | 18.78 | 18.73 (0.01) | |||||
| i magnitude | 17.69 (0.007) | 17.71 | 17.68 (0.007) | |||||
| z magnitude | 17.09 (0.01) | 17.10 | 17.07 (0.01) | |||||
| G magnitude | 18.54 (0.04) | 18.51 | 18.54 (0.005) | |||||
| BP magnitude | 19.47 (0.04) | 19.49 | ||||||
| RP magnitude | 17.27 (0.009) | 17.29 | ||||||
| Pan g magnitude | 19.70 (0.01) | |||||||
| Pan r magnitude | 18.77 (0.01) | |||||||
| Pan i magnitude | 17.71 (0.005) | |||||||
| Pan z magnitude | 17.21 (0.004) | |||||||
| Pan y magnitude | 16.96 (0.01) | |||||||
| E(B-V) | 0.018 | |||||||
* 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.