All names: TIC 422790055, Gaia DR2 2739782629080048000, Gaia DR3 2739782629080048000, uvby98 680235355, PG 2353+027, Gaia EDR3 2739782629080048000, USNO-B1.0 0929-00789564, WD 2353+026, PB 5617, GALEX J235627.7+025705, 2MASS J23562772+0257056
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 56 27.66 (0.05) | 23 56 27.66 (0.06) | 23 56 27.66 | 23 56 27.69 (0.05) | 23 56 27.70 | ||||||
| Declination | 02 57 04.79 (0.04) | 02 57 04.81 (0.04) | 02 57 04.79 | 02 57 05.60 (0.04) | 02 57 00.00 | ||||||
| Spectral type | DA | DA | DA | DA.8 | DA2 | ||||||
| Effective temperature | [K] | 62600.0 (1561) | 61740.0 (286) | 65700.0 | 465302.0 (44805) | ||||||
| log(g) | [cgs] | 7.66 (0.08) | 7.59 (0.02) | 7.70 | 8.94 (0.04) | ||||||
| Mass | [M☉] | 0.58 (0.03) | 1.827 (0.02) | ||||||||
| 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] | 3.62 (0.07) | 3.62 (0.08) | 3.62 | 3.62 (0.07) | ||||||
| Distance | [pc] | 276.01 (5) | 276.07 (6) | 319.00 | 276.01 | 276.01 (5) | |||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -34.83131347 (0.07) | -34.82221292 (0.1) | -34.831 (0.07) | |||||||
| Proper motion (declination) | [mas/yr] | -50.72672555 (0.05) | -50.66488503 (0.07) | -50.727 (0.05) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.83 | ||||||||||
| V magnitude | 15.83 | 15.83 | |||||||||
| R magnitude | 16.10 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.65 (0.1) | ||||||||||
| H magnitude | 16.36 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.76 (0.002) | 15.77 | 15.76 | 15.76 (0.003) | |||||||
| BP magnitude | 15.59 (0.002) | 15.52 | |||||||||
| RP magnitude | 16.08 (0.003) | 16.07 | |||||||||
| Pan g magnitude | 15.58 (0.004) | ||||||||||
| Pan r magnitude | 16.03 (0.002) | ||||||||||
| Pan i magnitude | 16.41 (0.002) | ||||||||||
| Pan z magnitude | 16.68 (0.003) | ||||||||||
| Pan y magnitude | 16.89 (0.009) | ||||||||||
| E(B-V) | 0.041 | ||||||||||
* 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.