All names: WD 1628+273, J1630+2712, Gaia DR3 1304725955452882176, Gaia DR2 1304725955452882176, USNO-B1.0 1172-00310716, GALEX J163026.0+271226, SDSS J163026.09+271226.5, EQ J1630+2712, Gaia EDR3 1304725955452882176
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Stilism | Gianninas et al. 2014 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 16 30 26.09 (0.3) | 16 30 26.09 (0.3) | 16 30 26.02 | ||||
| Declination | 27 12 26.45 (0.4) | 27 12 26.55 (0.4) | 27 12 22.32 | ||||
| Spectral type | DA | DA | DA4.5 | ||||
| Effective temperature | [K] | 10390.0 (170) | |||||
| log(g) | [cgs] | 6.03 (0.08) | |||||
| Mass | [M☉] | 0.171 | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | 1.6690 (0.1) | |||||
| 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] | 0.14 (0.4) | 0.14 (0.4) | ||||
| Distance | [pc] | 6978.25 (20416) | 2230.00 (382) | 6978.37 (20419) | |||
| Composition | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -1.229537934 (0.4) | -1.23 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | -6.574437188 (0.4) | -6.574 (0.4) | ||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | yes | |||||
| B magnitude | 20.50 | ||||||
| V magnitude | |||||||
| R magnitude | 19.80 | ||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.97 (0.08) | 20.85 | |||||
| g magnitude | 20.16 (0.02) | 20.04 | |||||
| r magnitude | 20.34 (0.03) | ||||||
| i magnitude | 20.52 (0.04) | ||||||
| z magnitude | 20.45 (0.1) | ||||||
| G magnitude | 20.26 (0.04) | 20.26 (0.005) | |||||
| BP magnitude | 20.27 (0.04) | ||||||
| RP magnitude | 20.34 (0.1) | ||||||
| Pan g magnitude | 20.19 (0.007) | ||||||
| Pan r magnitude | 20.40 (0.03) | ||||||
| Pan i magnitude | 20.53 (0.02) | ||||||
| Pan z magnitude | 20.68 (0.05) | ||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.029 | ||||||
* 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.