All names: [HHD2009] SDSS J1255+1155, Gaia EDR3 3927882041848436608, SDSS J125514.36+115560.0, Gaia DR2 3927882041848436608, SDSS J125514.36+115600.0, Gaia DR3 3927882041848436608, 2MASS J12551435+1155597, TIC 422251123, WD 1252+122, SDSS J125514.35+115559.9, [SGR2010] J1255+1155
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 55 14.37 (0.6) | 12 55 14.36 | 12 55 14.37 (0.8) | 12 55 14.35 | 12 55 14.34 (0.6) | 12 55 14.42 | 12 55 14.36 | |||
| Declination | 11 55 59.60 (0.4) | 11 55 59.95 | 11 55 59.61 (0.5) | 11 55 59.92 | 11 55 59.90 (0.4) | 11 55 57.36 | 11 55 59.95 | |||
| Spectral type | DA+M | DA+M | DA7.2 | DA+M | ||||||
| Effective temperature | [K] | 7819.0 (155) | 6300.0 (2) | |||||||
| log(g) | [cgs] | 8.03 (0.4) | 6.64 (0.2) | |||||||
| Mass | [M☉] | 0.61 (0.3) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.51 (0.7) | 3.51 (0.7) | |||||||
| Distance | [pc] | 284.73 (57) | 284.72 (57) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 31.23804315 (1) | 31.238 (1) | |||||||
| Proper motion (declination) | [mas/yr] | -19.05201491 (0.8) | -19.052 (0.8) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.09 | |||||||||
| H magnitude | 15.64 (0.01) | |||||||||
| K magnitude | 15.29 (0.01) | |||||||||
| u magnitude | 19.59 (0.04) | 19.57 | 19.61 (0.04) | 19.57 | 19.59 (0.04) | |||||
| g magnitude | 19.08 (0.01) | 19.09 | 19.09 (0.01) | 19.09 | 19.10 (0.02) | |||||
| r magnitude | 18.91 (0.01) | 18.90 | 18.91 (0.01) | 18.90 | 18.90 (0.02) | |||||
| i magnitude | 18.34 (0.009) | 18.35 | 18.35 (0.009) | 18.35 | 18.35 (0.02) | |||||
| z magnitude | 17.59 (0.01) | 17.58 | 17.59 (0.01) | 17.58 | 17.58 (0.02) | |||||
| G magnitude | 18.73 (0.03) | 18.67 | 18.73 (0.008) | |||||||
| BP magnitude | 19.04 (0.03) | 19.07 | ||||||||
| RP magnitude | 17.84 (0.01) | 17.82 | ||||||||
| Pan g magnitude | 19.08 (0.008) | |||||||||
| Pan r magnitude | 18.87 (0.007) | |||||||||
| Pan i magnitude | 18.33 (0.005) | |||||||||
| Pan z magnitude | 17.77 (0.007) | |||||||||
| Pan y magnitude | 17.42 (0.004) | |||||||||
| 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.