All names: Gaia DR3 1325292874503029248, WIRED J162449.00+321702.0, SDSS J162448.99+321702.0, [HHD2009] SDSS J1624+3217, [SGR2010] J1624+3217, TIC 8445641, GALEX J162449.0+321702, UCAC4 612-052543, WISEA J162448.99+321702.0, Gaia EDR3 1325292874503029248, PG 1622+324, WISE J162449.00+321702.1, WDS J16248+3217AB, 2MASS J16244899+3217021, LAMOST J162449.00+321702.0, WD 1622+323, SDSS J162449.00+321702.0, Gaia DR2 1325292874503029248
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 24 49.00 (0.1) | 16 24 49.00 | 16 24 49.00 (0.1) | 16 24 49.00 | 16 24 49.00 (0.1) | 16 24 48.14 | 16 24 49.00 | |||||
| Declination | 32 17 01.91 (0.1) | 32 17 02.03 | 32 17 01.92 (0.1) | 32 17 02.00 | 32 17 02.10 (0.1) | 32 16 53.76 | 32 17 02.02 | |||||
| Spectral type | DA+M | DA+M | DA | DA+dM | DA6 | DA+M | ||||||
| Effective temperature | [K] | 68317.0 (1948) | 79095.0 (3888) | 66480.0 (3712) | 10300.0 (118) | |||||||
| log(g) | [cgs] | 7.57 (0.09) | 7.77 (0.1) | 7.13 (0.2) | 8.45 (0.1) | |||||||
| Mass | [M☉] | 0.56 (0.03) | 0.66 (0.05) | 0.41 (0.05) | ||||||||
| log(Luminosity) | [L☉] | 0.91 (0.09) | ||||||||||
| Cooling age | [Gyr] | 0.0006 (0.0002) | ||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 2.30 (0.2) | 2.51 (0.2) | 2.30 (0.2) | ||||||||
| Distance | [pc] | 434.78 (29) | 397.87 (27) | 1072.00 (256) | 653.00 | 434.78 (29) | ||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.864027685 (0.1) | -1.382167557 (0.3) | -0.864 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -11.5648288 (0.2) | -11.1686487 (0.3) | -11.565 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | yes | WDMS | |||||||||
| B magnitude | 16.26 (0.07) | |||||||||||
| V magnitude | 16.32 (0.02) | |||||||||||
| R magnitude | 16.49 (0.1) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 14.63 (0.03) | |||||||||||
| H magnitude | 13.96 (0.03) | |||||||||||
| K magnitude | 13.77 (0.04) | |||||||||||
| u magnitude | 15.77 (0.005) | 15.79 | 15.77 (0.005) | 15.78 | 15.78 (0.01) | |||||||
| g magnitude | 16.09 (0.003) | 16.12 | 16.09 (0.003) | 16.12 | 16.11 (0.02) | |||||||
| r magnitude | 16.25 (0.003) | 16.24 | 16.25 (0.003) | 16.23 | 16.24 (0.02) | |||||||
| i magnitude | 15.96 (0.004) | 16.00 | 15.96 (0.004) | 15.99 | 16.00 (0.02) | |||||||
| z magnitude | 15.72 (0.006) | 15.75 | 15.72 (0.006) | 15.74 | 15.72 (0.02) | |||||||
| G magnitude | 16.07 (0.003) | 16.04 | 16.07 (0.003) | |||||||||
| BP magnitude | 16.15 (0.003) | 16.12 | ||||||||||
| RP magnitude | 15.62 (0.003) | 15.63 | ||||||||||
| Pan g magnitude | 16.18 (0.002) | |||||||||||
| Pan r magnitude | 16.29 (0.002) | |||||||||||
| Pan i magnitude | 16.00 (0.002) | |||||||||||
| Pan z magnitude | 15.78 (0.003) | |||||||||||
| Pan y magnitude | 15.65 (0.003) | |||||||||||
| E(B-V) | 0.022 | |||||||||||
* 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.