All names: [HHD2009] SDSS J2152+0014, Gaia EDR3 2681033141535352064, [SGR2010] J2152+0014, TIC 405121239, GALEX J215232.1+001448, 2MASS J21523222+0014480, SDSS J215232.21+001447.4, SDSS J215232.22+001447.4, WD 2149+000, WIRED J215232.21+001447.4, SDSS J215232.21+001447.5, Gaia DR3 2681033141535352064, Gaia DR2 2681033141535352064, USNO-A2.0 0900-19867533
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 52 32.22 (0.5) | 21 52 32.22 | 21 52 32.22 (1) | 21 52 32.21 | 21 52 32.22 (1) | 21 52 32.22 | 21 52 31.70 | 21 52 32.22 | |||
| Declination | 00 14 47.10 (0.6) | 00 14 47.48 | 00 14 47.11 (0.6) | 00 14 47.40 | 00 14 47.44 (0.6) | 00 14 47.52 | 00 14 44.16 | 00 14 47.45 | |||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 11972.0 (518) | 9091.0 (75) | 8878.0 (95) | |||||||
| log(g) | [cgs] | 7.95 (0.3) | 7.98 (0.1) | 7.82 (0.1) | |||||||
| Mass | [M☉] | 0.58 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.25 (1) | 5.25 (1) | ||||||||
| Distance | [pc] | 190.49 (35) | 190.49 (35) | ||||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.414261846 (1) | -1.414 (1) | 2.7 | |||||||
| Proper motion (declination) | [mas/yr] | -21.67153064 (1) | -21.672 (1) | -13.7 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | 18.90 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 18.90 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.45 (0.01) | ||||||||||
| H magnitude | 15.96 (0.02) | ||||||||||
| K magnitude | 15.66 (0.02) | ||||||||||
| u magnitude | 19.74 (0.03) | 19.73 | 19.73 (0.04) | 19.73 (0.04) | 19.73 | 19.73 (0.04) | |||||
| g magnitude | 19.22 (0.01) | 19.27 | 19.27 (0.01) | 19.27 (0.01) | 19.27 | 19.27 (0.01) | |||||
| r magnitude | 19.09 (0.01) | 19.17 | 19.11 (0.01) | 19.17 (0.01) | 19.17 | 19.16 (0.02) | |||||
| i magnitude | 18.46 (0.01) | 18.57 | 18.56 (0.01) | 18.57 (0.01) | 18.57 | 18.56 (0.01) | |||||
| z magnitude | 17.84 (0.02) | 17.90 | 17.84 (0.02) | 17.90 (0.03) | 17.90 | 17.87 (0.03) | |||||
| G magnitude | 19.41 (0.05) | 19.36 | 19.41 (0.007) | ||||||||
| BP magnitude | 19.35 (0.05) | 19.33 | |||||||||
| RP magnitude | 18.08 (0.04) | 18.03 | |||||||||
| Pan g magnitude | 19.24 (0.007) | ||||||||||
| Pan r magnitude | 19.16 (0.007) | ||||||||||
| Pan i magnitude | 18.53 (0.006) | ||||||||||
| Pan z magnitude | 18.02 (0.007) | ||||||||||
| Pan y magnitude | 17.73 (0.009) | ||||||||||
| E(B-V) | 0.050 | ||||||||||
* 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.