All names: TIC 337696467, Gaia DR3 615161091995252864, 2MASS J09525898+1344348, PN G221.5+46.3, SDSS J095258.97+134434.7, WISE J095258.96+134434.7, WD 0950+139, EGB 0950+13, PG 0950+139, LAMOST J095259.02+134434.7, Gaia DR2 615161091995252864, Gaia EDR3 615161091995252864, PN G221.6+46.4, EGB 6, PK 221+46 1, GSC2 N2022111617, WISEA J095258.96+134434.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Liebert et al. 2013 | Gianninas et al. 2011 | Liebert et al. 2005 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 52 58.97 (0.1) | 09 52 58.98 | 09 52 58.97 (0.2) | 09 52 58.99 (0.1) | 09 52 58.51 | |||||||
| Declination | 13 44 34.64 (0.1) | 13 44 34.71 | 13 44 34.64 (0.1) | 13 44 34.62 (0.1) | 13 44 33.00 | |||||||
| Spectral type | PN | DAOZ | DA | DAO.5 | DAO | |||||||
| Effective temperature | [K] | 93233.0 | 93230.0 (425) | 108390.0 (16786) | ||||||||
| log(g) | [cgs] | 7.37 | 7.37 (0.8) | 7.39 (0.4) | ||||||||
| Mass | [M☉] | 0.59 (0.2) | 0.64 (0.3) | |||||||||
| log(Luminosity) | [L☉] | 1.95 | ||||||||||
| Cooling age | [Gyr] | 0.0001 | ||||||||||
| 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] | 1.33 (0.1) | 0.73 (0.2) | 1.33 (0.1) | ||||||||
| Distance | [pc] | 751.72 (82) | 1363.14 (310) | 576.00 | 647.00 | 645.00 | 751.71 (82) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.53768087 (0.1) | -15.703 (0.2) | -15.538 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | 0.994197879 (0.1) | 0.861 (0.2) | 0.994 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | MWDS | |||||||||||
| B magnitude | 15.69 (0.002) | |||||||||||
| V magnitude | 16.02 | 16.00 (0.002) | ||||||||||
| R magnitude | 16.14 (0.008) | |||||||||||
| I magnitude | 16.30 (0.009) | |||||||||||
| J magnitude | 16.52 (0.1) | |||||||||||
| H magnitude | 15.95 (0.2) | |||||||||||
| K magnitude | 16.10 (0.3) | |||||||||||
| u magnitude | 15.21 (0.004) | 15.21 (0.004) | ||||||||||
| g magnitude | 15.65 (0.004) | 15.65 (0.004) | ||||||||||
| r magnitude | 16.20 (0.005) | 16.20 (0.005) | ||||||||||
| i magnitude | 16.53 (0.005) | 16.53 (0.005) | ||||||||||
| z magnitude | 16.86 (0.01) | 16.86 (0.01) | ||||||||||
| G magnitude | 15.95 (0.004) | 15.97 | 15.95 (0.003) | |||||||||
| BP magnitude | 15.77 (0.004) | 15.73 | ||||||||||
| RP magnitude | 16.25 (0.005) | 16.24 | ||||||||||
| Pan g magnitude | 15.77 (0.004) | |||||||||||
| Pan r magnitude | 16.23 (0.002) | |||||||||||
| Pan i magnitude | 16.61 (0.004) | |||||||||||
| Pan z magnitude | 16.89 (0.004) | |||||||||||
| Pan y magnitude | 17.06 (0.005) | |||||||||||
| E(B-V) | 0.024 | |||||||||||
* 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.