All names: TIC 219728301, Gaia EDR3 3943463122342099456, 2MASS J13073350+2156370, GALEX J130733.5+215637, SDSS J130733.49+215636.7, PTF1 J130733.50+215636.6, Gaia DR2 3943463122342099456, SDSS J130733.49+215636.8, WD 1305+222, Gaia DR3 3943463122342099456, [SGR2010] J1307+2156
| 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) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 07 33.50 (0.05) | 13 07 33.50 | 13 07 33.50 (0.07) | 13 07 33.49 | 13 07 33.49 (0.05) | 13 07 33.02 | |||
| Declination | 21 56 36.38 (0.05) | 21 56 36.79 | 21 56 36.40 (0.05) | 21 56 36.78 | 21 56 36.99 (0.05) | 21 56 29.76 | |||
| Spectral type | DC+M | DC+M4 | DC+M4 | ||||||
| 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] | 9.48 (0.07) | 9.43 (0.08) | 9.48 (0.07) | |||||
| Distance | [pc] | 105.45 (0.8) | 106.07 (0.9) | 105.45 (0.8) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 4.38061383 (0.09) | 4.045067547 (0.2) | 4.381 (0.09) | |||||
| Proper motion (declination) | [mas/yr] | -37.96584428 (0.1) | -38.03962493 (0.1) | -37.966 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 13.80 (0.02) | ||||||||
| H magnitude | 13.25 (0.03) | ||||||||
| K magnitude | 12.93 (0.03) | ||||||||
| u magnitude | 19.13 (0.02) | 19.14 | 19.14 (0.02) | 19.14 | |||||
| g magnitude | 18.27 (0.007) | 18.25 | 18.26 (0.007) | 18.26 | |||||
| r magnitude | 17.43 (0.006) | 17.42 | 17.43 (0.006) | 17.43 | |||||
| i magnitude | 16.11 (0.005) | 16.09 | 16.12 (0.005) | 16.12 | |||||
| z magnitude | 15.29 (0.006) | 15.29 | 15.29 (0.006) | 15.29 | |||||
| G magnitude | 16.74 (0.01) | 16.76 | 16.74 (0.003) | ||||||
| BP magnitude | 18.04 (0.01) | 18.06 | |||||||
| RP magnitude | 15.58 (0.005) | 15.59 | |||||||
| Pan g magnitude | 18.19 (0.006) | ||||||||
| Pan r magnitude | 17.42 (0.004) | ||||||||
| Pan i magnitude | 16.11 (0.008) | ||||||||
| Pan z magnitude | 15.40 (0.005) | ||||||||
| Pan y magnitude | 15.08 (0.005) | ||||||||
| E(B-V) | 0.005 | ||||||||
* 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.