All names: SDSS J235156.72+285511.8, PG 2349+286, Gaia DR2 2866800750645112320, Gaia DR3 2866800750645112320, LAMOST J235156.72+285511.8, Gaia EDR3 2866800750645112320, WD 2349+286, UCAC4 595-139791, 2RXP J235157.6+285525, USNO-B1.0 1189-00602114
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 51 56.70 (0.03) | 23 51 56.70 (0.05) | 23 51 56.70 | 23 51 56.74 (0.03) | 23 51 56.28 | |||||
| Declination | 28 55 11.58 (0.03) | 28 55 11.61 (0.04) | 28 55 11.58 | 28 55 12.39 (0.03) | 28 55 11.28 | |||||
| Spectral type | DA? | DA | DA | DA1.3 | DA | |||||
| Effective temperature | [K] | 38380.0 (603) | 37720.0 (589) | 39700.0 (1633) | ||||||
| log(g) | [cgs] | 7.98 (0.05) | 7.95 (0.05) | 7.90 (0.03) | ||||||
| Mass | [M☉] | 0.66 (0.03) | 0.64 (0.03) | 0.616 (0.02) | ||||||
| log(Luminosity) | [L☉] | -0.44 | ||||||||
| Cooling age | [Gyr] | 0.0049 | ||||||||
| 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] | 4.23 (0.05) | 4.09 (0.08) | 4.23 | 4.23 (0.05) | |||||
| Distance | [pc] | 236.48 (3) | 244.74 (5) | 227.00 | 233.00 | 236.48 | 236.48 (3) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -35.15706897 (0.05) | -34.9900963 (0.1) | -35.157 (0.05) | ||||||
| Proper motion (declination) | [mas/yr] | -50.6317574 (0.03) | -50.50675527 (0.06) | -50.632 (0.03) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 15.90 | |||||||||
| V magnitude | 16.26 | 16.26 | ||||||||
| R magnitude | 16.38 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 15.61 (0.005) | |||||||||
| g magnitude | 15.93 (0.004) | |||||||||
| r magnitude | 16.43 (0.004) | |||||||||
| i magnitude | 16.76 (0.006) | |||||||||
| z magnitude | 17.06 (0.01) | |||||||||
| G magnitude | 16.19 (0.003) | 16.22 | 16.19 | 16.19 (0.003) | ||||||
| BP magnitude | 16.05 (0.003) | 15.99 | ||||||||
| RP magnitude | 16.48 (0.005) | 16.47 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.028 | |||||||||
* 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.