All names: 2MASS J07305983+1440523, SDSS J073059.83+144052.0, WISEA J073059.82+144052.0, Gaia EDR3 3165289299702504960, Gaia DR3 3165289299702504960, WD 0728+147, Gaia DR2 3165289299702504960, TIC 247116301, WISE J073059.82+144052.0, UCAC4 524-042120
| 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 | 07 30 59.82 (0.07) | 07 30 59.83 | 07 30 59.82 (0.1) | 07 30 59.83 | 07 30 59.84 (0.07) | 07 30 59.98 | 07 30 59.83 | |||
| Declination | 14 40 51.96 (0.06) | 14 40 52.03 | 14 40 51.97 (0.09) | 14 40 52.03 | 14 40 52.34 (0.06) | 14 40 50.16 | 14 40 52.05 | |||
| Spectral type | DA+M | M3 | DA5.4+M3 | DA+M | ||||||
| Effective temperature | [K] | 9293.0 (226) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.15 (0.6) | 5.00 (0.01) | |||||||
| Mass | [M☉] | 0.25 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 5.77 (0.08) | 5.65 (0.1) | 5.77 (0.08) | ||||||
| Distance | [pc] | 173.37 (2) | 176.94 (4) | 439.00 (47) | 173.37 (2) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -11.89300812 (0.08) | -11.98512141 (0.2) | -11.893 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | -23.79423738 (0.06) | -23.92624986 (0.1) | -23.794 (0.06) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 13.95 (0.02) | |||||||||
| H magnitude | 13.38 (0.03) | |||||||||
| K magnitude | 13.11 (0.03) | |||||||||
| u magnitude | 19.04 (0.02) | 19.33 | 19.04 (0.02) | 19.01 | 19.04 (0.02) | |||||
| g magnitude | 18.09 (0.006) | 18.46 | 18.09 (0.006) | 18.11 | 18.16 (0.01) | |||||
| r magnitude | 17.22 (0.005) | 17.57 | 17.22 (0.005) | 17.23 | 17.29 (0.01) | |||||
| i magnitude | 16.06 (0.004) | 16.39 | 16.06 (0.004) | 16.05 | 16.07 (0.01) | |||||
| z magnitude | 15.35 (0.005) | 15.70 | 15.35 (0.005) | 15.35 | 15.35 (0.02) | |||||
| G magnitude | 16.86 (0.02) | 16.86 | 16.85 (0.003) | |||||||
| BP magnitude | 17.85 (0.02) | 17.83 | ||||||||
| RP magnitude | 15.57 (0.003) | 15.59 | ||||||||
| Pan g magnitude | 18.06 (0.005) | |||||||||
| Pan r magnitude | 17.31 (0.004) | |||||||||
| Pan i magnitude | 16.08 (0.003) | |||||||||
| Pan z magnitude | 15.48 (0.007) | |||||||||
| Pan y magnitude | 15.19 (0.005) | |||||||||
| E(B-V) | 0.008 | |||||||||
* 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.