All names: TIC 198188273, SDSS J162354.45+630640.4, SDSS J162354.46+630640.4, Gaia EDR3 1628922185879538304, [SGR2010] J1623+6306, WD 1623+632, 2MASS J16235445+6306403, SBC9 3391, Gaia DR3 1628922185879538304, GALEX J162354.5+630640, Gaia DR2 1628922185879538304
| 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 | 16 23 54.48 (0.08) | 16 23 54.45 | 16 23 54.48 (0.1) | 16 23 54.46 | 16 23 54.46 (0.08) | 16 23 54.22 | 16 23 54.46 | |||
| Declination | 63 06 40.53 (0.08) | 63 06 40.41 | 63 06 40.53 (0.1) | 63 06 40.43 | 63 06 40.30 (0.08) | 63 06 34.92 | 63 06 40.44 | |||
| Spectral type | DA+M | DA+M3 | DA2.5+M3 | DA+M | ||||||
| Effective temperature | [K] | 9731.0 (138) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.64 (0.2) | 5.00 (0.006) | |||||||
| Mass | [M☉] | 1.0 (0.09) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 4.36 (0.08) | 4.44 (0.1) | 4.36 (0.08) | ||||||
| Distance | [pc] | 229.22 (4) | 225.22 (6) | 179.00 (23) | 229.22 (4) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 10.95623986 (0.09) | 10.69589914 (0.2) | 10.956 (0.09) | ||||||
| Proper motion (declination) | [mas/yr] | 14.77654231 (0.09) | 15.15566139 (0.3) | 14.777 (0.09) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.28 (0.05) | |||||||||
| H magnitude | 14.76 (0.06) | |||||||||
| K magnitude | 14.53 (0.1) | |||||||||
| u magnitude | 19.84 (0.04) | 19.81 | 19.81 (0.04) | 19.84 | 19.81 (0.04) | |||||
| g magnitude | 19.12 (0.01) | 19.11 | 19.11 (0.02) | 19.12 | 19.11 (0.02) | |||||
| r magnitude | 18.48 (0.008) | 18.48 | 18.48 (0.02) | 18.48 | 18.48 (0.02) | |||||
| i magnitude | 17.39 (0.006) | 17.38 | 17.38 (0.01) | 17.39 | 17.38 (0.01) | |||||
| z magnitude | 16.71 (0.009) | 16.69 | 16.69 (0.02) | 16.71 | 16.69 (0.02) | |||||
| G magnitude | 17.97 (0.02) | 18.01 | 17.97 (0.003) | |||||||
| BP magnitude | 18.96 (0.02) | 18.97 | ||||||||
| RP magnitude | 16.92 (0.005) | 16.95 | ||||||||
| Pan g magnitude | 19.04 (0.02) | |||||||||
| Pan r magnitude | 18.50 (0.01) | |||||||||
| Pan i magnitude | 17.42 (0.005) | |||||||||
| Pan z magnitude | 16.82 (0.004) | |||||||||
| Pan y magnitude | 16.53 (0.006) | |||||||||
| E(B-V) | 0.017 | |||||||||
* 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.