All names: Gaia DR2 1601328670269782400, USNO-B1.0 1456-00247310, SBSS 1526+558, SDSS J152809.22+553915.0, 1526+558, WD 1526+558, Gaia DR3 1601328670269782400, CBS 320, WISE J152809.23+553916.0, Gaia EDR3 1601328670269782400, SDSS J152809.22+553915.1, TIC 1102242692, GALEX J152809.1+553915
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Green et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 28 09.16 (0.05) | 15 28 09.16 (0.07) | 15 28 09.16 | 15 28 09.27 (0.05) | 15 28 09.62 | ||||
| Declination | 55 39 16.17 (0.06) | 55 39 16.12 (0.07) | 55 39 16.17 | 55 39 14.49 (0.06) | 55 39 11.52 | ||||
| Spectral type | DA | DA | DA4.5 | DA | |||||
| Effective temperature | [K] | 10860.0 | 11180.0 (184) | 10126.0 (112) | |||||
| log(g) | [cgs] | 7.73 | 7.86 (0.07) | 7.38 (0.02) | |||||
| Mass | [M☉] | 0.53 (0.04) | 0.315 (0.009) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 6.81 (0.06) | 6.78 (0.08) | 6.81 | 6.81 (0.06) | ||||
| Distance | [pc] | 146.92 (1) | 147.54 (2) | 118.00 | 146.92 | 146.92 (1) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -59.10278614 (0.06) | -58.89535226 (0.1) | -59.103 (0.06) | |||||
| Proper motion (declination) | [mas/yr] | 104.8272382 (0.06) | 104.7618043 (0.1) | 104.827 (0.06) | |||||
| Variability | VAR | ||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | 17.10 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.67 (0.01) | ||||||||
| g magnitude | 16.98 (0.005) | ||||||||
| r magnitude | 17.22 (0.005) | ||||||||
| i magnitude | 17.37 (0.006) | ||||||||
| z magnitude | 17.53 (0.02) | ||||||||
| G magnitude | 17.09 (0.008) | 17.12 | 17.09 | 17.09 (0.003) | |||||
| BP magnitude | 17.15 (0.008) | 17.13 | |||||||
| RP magnitude | 17.04 (0.009) | 17.04 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.015 | ||||||||
| Period #1 | [s] | 648.9 | |||||||
| Amplitude #1 | [mma] | 36.8 | |||||||
* 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.