All names: GALEX J230248.8+081051, Gaia DR2 2713550102706583552, Gaia DR3 2713550102706583552, TIC 344107728, SDSS J230248.99+081052.5, Gaia EDR3 2713550102706583552, 2MASS J23024898+0810527
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 02 48.99 (0.1) | 23 02 48.99 | 23 02 48.99 (0.2) | 23 02 48.99 | 23 02 49.00 (0.1) | |||
| Declination | 08 10 52.41 (0.1) | 08 10 52.50 | 08 10 52.42 (0.1) | 08 10 52.54 | 08 10 52.63 (0.1) | |||
| 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] | 1.22 (0.2) | 0.93 (0.2) | 1.22 (0.2) | ||||
| Distance | [pc] | 817.29 (105) | 1075.34 (207) | 817.26 (105) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -12.61026174 (0.2) | -12.39293709 (0.3) | -12.61 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -13.82460861 (0.1) | -13.76614414 (0.2) | -13.825 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.88 (0.07) | |||||||
| H magnitude | 14.97 (0.07) | |||||||
| K magnitude | 14.86 (0.1) | |||||||
| u magnitude | 21.24 (0.1) | 21.20 | 21.23 (0.1) | |||||
| g magnitude | 19.60 (0.01) | 19.59 | 19.59 (0.01) | |||||
| r magnitude | 18.37 (0.008) | 18.37 | 18.37 (0.008) | |||||
| i magnitude | 17.47 (0.006) | 17.46 | 17.47 (0.007) | |||||
| z magnitude | 16.96 (0.01) | 16.99 | 16.99 (0.01) | |||||
| G magnitude | 18.09 (0.03) | 18.12 | 18.09 (0.003) | |||||
| BP magnitude | 19.13 (0.03) | 19.18 | ||||||
| RP magnitude | 17.06 (0.01) | 17.09 | ||||||
| Pan g magnitude | 19.40 (0.007) | |||||||
| Pan r magnitude | 18.35 (0.004) | |||||||
| Pan i magnitude | 17.47 (0.002) | |||||||
| Pan z magnitude | 17.07 (0.003) | |||||||
| Pan y magnitude | 16.88 (0.005) | |||||||
| E(B-V) | 0.056 | |||||||
* 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.