All names: Gaia EDR3 4008808919447302016, SDSS J122930.66+263050.5, SDSS J122930.66+263050.4, Gaia DR2 4008808915151568512, SDSS J122930.65+263050.4, 2MASS J12293066+2630503, PTF1 J122930.65+263050.5, WD 1227+267, Gaia DR3 4008808919447302016, TIC 328978839
| 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 29 30.64 (0.06) | 12 29 30.66 | 12 29 30.64 (0.09) | 12 29 30.65 | 12 29 30.67 (0.06) | 12 29 30.62 | 12 29 30.66 | |||
| Declination | 26 30 50.42 (0.06) | 26 30 50.45 | 26 30 50.42 (0.06) | 26 30 50.40 | 26 30 50.37 (0.06) | 26 30 43.56 | 26 30 50.45 | |||
| Spectral type | DA+M | DA+M | DA2.4 M | DA+M | ||||||
| Effective temperature | [K] | 21045.0 (820) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.69 (0.1) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 1.04 (0.08) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.11 (0.08) | 2.85 (0.1) | 3.11 (0.08) | ||||||
| Distance | [pc] | 322.00 (8) | 350.54 (13) | 1256.00 (473) | 322.00 (8) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -26.22101509 (0.08) | -26.78833427 (0.2) | -26.221 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | 2.973169919 (0.08) | 3.366715569 (0.1) | 2.973 (0.08) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.30 (0.04) | |||||||||
| H magnitude | 13.68 (0.04) | |||||||||
| K magnitude | 13.44 (0.04) | |||||||||
| u magnitude | 19.07 (0.02) | 19.10 | 19.10 (0.02) | 19.10 | 19.10 (0.03) | |||||
| g magnitude | 18.15 (0.006) | 18.12 | 18.13 (0.007) | 18.12 | 18.13 (0.01) | |||||
| r magnitude | 17.31 (0.005) | 17.30 | 17.31 (0.005) | 17.30 | 17.31 (0.02) | |||||
| i magnitude | 16.27 (0.004) | 16.25 | 16.27 (0.004) | 16.24 | 16.25 (0.02) | |||||
| z magnitude | 15.67 (0.006) | 15.66 | 15.67 (0.006) | 15.66 | 15.68 (0.02) | |||||
| G magnitude | 16.87 (0.01) | 16.87 | 16.87 (0.003) | |||||||
| BP magnitude | 17.89 (0.01) | 17.89 | ||||||||
| RP magnitude | 15.81 (0.004) | 15.83 | ||||||||
| Pan g magnitude | 18.03 (0.007) | |||||||||
| Pan r magnitude | 17.26 (0.006) | |||||||||
| Pan i magnitude | 16.26 (0.004) | |||||||||
| Pan z magnitude | 15.75 (0.007) | |||||||||
| Pan y magnitude | 15.50 (0.004) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.