All names: WD 2325+263A, NLTT 56950, SDSS J232755.35+263822.6, LSPM J2327+2638S, WD 2325+263.1, USNO-B1.0 1166-00598528, WDJ232755.40+263824.46, 2MASS J23275543+2638245, LP 402-29, Gaia DR2 2841680934336159104
| Parameter | Unit | MWDD H | MWDD HE | Pan-STARRS DR1 | Gaia DR2 | Gianninas et al. 2011 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 27 55.32 | 23 27 55.32 (0.09) | 23 27 55.43 | 23 27 55.32 | 23 27 58.94 | ||||
| Declination | 26 38 21.71 | 26 38 21.71 (0.06) | 26 38 24.61 | 26 38 21.71 | 26 38 31.56 | ||||
| Spectral type | DA | DA7.3 | DA | ||||||
| Effective temperature | [K] | 6639.0 | 6383.0 | 6860.0 (134) | |||||
| log(g) | [cgs] | 8.43 | 8.32 | 8.56 (0.2) | |||||
| Mass | [M☉] | 0.868 | 0.777 | 0.96 (0.1) | |||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 3.9830 | 3.9170 | ||||||
| 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] | 21.70 (0.1) | 21.70 (0.1) | ||||||
| Distance | [pc] | 46.09 (0.3) | 29.00 | 46.09 (0.3) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -72.14409545 (0.2) | -73.0 | -72.14409545 | |||||
| Proper motion (declination) | [mas/yr] | -177.5180854 (0.1) | -184.0 | -177.5180854 | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | ||||||||
| B magnitude | |||||||||
| V magnitude | 16.00 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.61 | ||||||||
| H magnitude | 15.96 | ||||||||
| K magnitude | 15.89 | ||||||||
| u magnitude | 18.49 (0.02) | ||||||||
| g magnitude | 17.84 (0.006) | ||||||||
| r magnitude | 17.59 (0.006) | ||||||||
| i magnitude | 17.56 (0.007) | ||||||||
| z magnitude | 17.59 (0.02) | ||||||||
| G magnitude | 17.60 | 17.60 | |||||||
| BP magnitude | 17.81 | 17.81 | |||||||
| RP magnitude | 17.21 | 17.21 | |||||||
| Pan g magnitude | 17.82 (0.007) | ||||||||
| Pan r magnitude | 17.60 (0.007) | ||||||||
| Pan i magnitude | 17.54 (0.004) | ||||||||
| Pan z magnitude | 17.56 (0.007) | ||||||||
| Pan y magnitude | 17.60 (0.008) | ||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.