All names: SDSS J152341.28+430529.0, WD 1521+432, 2MASS J15234129+4305288, GALEX J152341.2+430529, Gaia DR3 1393986267901643520, Gaia EDR3 1393986267901643520, TIC 116380666, Gaia DR2 1393986267901643520, SDSS J152341.27+430528.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 23 41.21 (0.2) | 15 23 41.27 | 15 23 41.22 (0.2) | 15 23 41.27 | 15 23 41.28 (0.2) | 15 23 41.26 | |||
| Declination | 43 05 28.94 (0.2) | 43 05 28.91 | 43 05 28.93 (0.3) | 43 05 28.90 | 43 05 28.85 (0.2) | 43 05 25.44 | |||
| Spectral type | DC+M | DC+M | DC M | ||||||
| Effective temperature | [K] | ||||||||
| log(g) | [cgs] | ||||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.84 (0.3) | 4.31 (0.3) | 3.84 (0.3) | |||||
| Distance | [pc] | 260.24 (19) | 231.87 (18) | 971.00 (172) | 260.24 (19) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -46.94917582 (0.3) | -46.70709048 (0.5) | -46.949 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | 5.244253785 (0.4) | 5.657401235 (0.7) | 5.244 (0.4) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.86 (0.03) | ||||||||
| H magnitude | 14.27 (0.04) | ||||||||
| K magnitude | 13.98 (0.06) | ||||||||
| u magnitude | 19.78 (0.03) | 19.80 | 19.77 (0.04) | 19.79 | |||||
| g magnitude | 19.00 (0.009) | 19.05 | 19.01 (0.01) | 19.04 | |||||
| r magnitude | 18.19 (0.007) | 18.21 | 18.19 (0.007) | 18.20 | |||||
| i magnitude | 16.95 (0.005) | 16.96 | 16.95 (0.005) | 16.95 | |||||
| z magnitude | 16.21 (0.007) | 16.22 | 16.20 (0.007) | 16.21 | |||||
| G magnitude | 17.77 (0.02) | 17.73 | 17.77 (0.004) | ||||||
| BP magnitude | 18.75 (0.02) | 18.78 | |||||||
| RP magnitude | 16.47 (0.005) | 16.48 | |||||||
| Pan g magnitude | 18.97 (0.01) | ||||||||
| Pan r magnitude | 18.23 (0.005) | ||||||||
| Pan i magnitude | 16.97 (0.003) | ||||||||
| Pan z magnitude | 16.35 (0.005) | ||||||||
| Pan y magnitude | 16.04 (0.007) | ||||||||
| E(B-V) | 0.021 | ||||||||
* 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.