All names: LP 759-50, USNO-B1.0 0755-00759189, EC 22096-1444, BPS CS 22892-0045, EPIC 206011438, Gaia DR2 2600033326799287296, WDJ221217.96-142945.98, Gaia DR3 2600033326799287296, TIC 437693966, WD 2209-147, 2MASS J22121793-1429461, Gaia EDR3 2600033326799287296, HE 2209-1444, NLTT 53177, J2212-1429
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2009 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 12 18.23 (0.02) | 22 12 18.23 (0.03) | 22 12 18.23 | 22 12 17.96 (0.02) | 22 12 18.23 | 22 12 16.75 | ||||||||
| Declination | -14 29 44.53 (0.02) | -14 29 44.57 (0.03) | -14 29 44.53 | -14 29 45.97 (0.02) | -14 29 44.57 | -14 29 44.88 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA+DA | DA6.3 | |||||||
| Effective temperature | [K] | 7742.0 (60) | 7758.0 (20) | 7654.0 | 8290.0 (0) | 7920.0 (100) | 7796.0 (28) | |||||||
| log(g) | [cgs] | 7.35 (0.02) | 7.28 (0.005) | 7.25 | 8.19 (0.03) | 7.84 (0.3) | 7.29 (0.007) | |||||||
| Mass | [M☉] | 0.322 (0.007) | 0.272 (0.002) | 0.263 | 0.5 (0.1) | 0.275 (0.003) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.5400 | 0.5810 | |||||||||||
| 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] | 26.33 (0.03) | 26.33 (0.03) | 26.34 (0.04) | 26.34 (0.04) | 26.33 | 26.33 (0.03) | 26.34 (0.04) | ||||||
| Distance | [pc] | 37.98 (0.04) | 37.98 (0.04) | 37.97 (0.06) | 37.96 (0.05) | 28.00 | 37.98 | 37.98 (0.04) | 37.96 (0.05) | |||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 250.4952297 (0.03) | 250.5266802 (0.07) | 250.495 (0.03) | 250.5266802 | |||||||||
| Proper motion (declination) | [mas/yr] | 90.42547216 (0.02) | 90.64156856 (0.08) | 90.425 (0.02) | 90.64156856 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 15.32 | 15.32 | ||||||||||||
| V magnitude | 15.09 | |||||||||||||
| R magnitude | 15.20 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 14.50 (0.003) | 14.48 (0.03) | ||||||||||||
| H magnitude | 14.38 (0.06) | 14.38 (0.06) | ||||||||||||
| K magnitude | 14.35 (0.008) | 14.18 (0.08) | ||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | ||||||||||||||
| r magnitude | ||||||||||||||
| i magnitude | ||||||||||||||
| z magnitude | ||||||||||||||
| G magnitude | 15.00 (0.002) | 15.01 | 15.00 | 15.00 (0.003) | 15.01 | |||||||||
| BP magnitude | 15.14 (0.002) | 15.13 | 15.13 | |||||||||||
| RP magnitude | 14.74 (0.002) | 14.75 | 14.75 | |||||||||||
| Pan g magnitude | 15.14 (0.004) | 15.14 (0.004) | ||||||||||||
| Pan r magnitude | 15.05 (0.002) | 15.05 (0.002) | ||||||||||||
| Pan i magnitude | 15.08 (0.005) | 15.08 (0.004) | ||||||||||||
| Pan z magnitude | 15.15 (0.004) | 15.15 (0.003) | ||||||||||||
| Pan y magnitude | 15.19 (0.004) | 15.19 (0.003) | ||||||||||||
| E(B-V) | 0.001 | |||||||||||||
* 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.