All names: Gaia DR2 1164572861824403328, 2MASS J15304067+0832548, WD 1528+087, Gaia EDR3 1164572861824403328, Gaia DR3 1164572861824403328, TIC 393049353, GALEX J153040.6+083254, SDSS J153040.64+083254.0, SDSS J153040.63+083254.0
| 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 30 40.63 (0.3) | 15 30 40.64 | 15 30 40.63 (0.4) | 15 30 40.64 | 15 30 40.64 (0.3) | 15 30 40.75 | |||
| Declination | 08 32 54.04 (0.2) | 08 32 54.05 | 08 32 54.04 (0.2) | 08 32 53.99 | 08 32 54.01 (0.2) | 08 32 48.12 | |||
| Spectral type | WD+M | D+M | WD 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] | 0.28 (0.3) | -0.57 (0.4) | 0.28 (0.3) | |||||
| Distance | [pc] | 3555.13 (3502) | 336.00 (51) | 3554.92 (3502) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -14.29153267 (0.3) | -15.75097176 (0.8) | -14.292 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | 2.215639871 (0.2) | 1.150269593 (0.6) | 2.216 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.81 (0.01) | ||||||||
| H magnitude | 16.22 (0.01) | ||||||||
| K magnitude | 15.99 (0.03) | ||||||||
| u magnitude | 21.65 (0.1) | 21.66 | 21.63 (0.1) | 21.66 | |||||
| g magnitude | 20.37 (0.02) | 20.43 | 20.38 (0.02) | 20.43 | |||||
| r magnitude | 19.28 (0.01) | 19.34 | 19.29 (0.01) | 19.33 | |||||
| i magnitude | 18.52 (0.01) | 18.58 | 18.52 (0.01) | 18.57 | |||||
| z magnitude | 18.10 (0.02) | 18.16 | 18.11 (0.03) | 18.15 | |||||
| G magnitude | 19.26 (0.06) | 19.25 | 19.26 (0.004) | ||||||
| BP magnitude | 19.97 (0.06) | 19.90 | |||||||
| RP magnitude | 18.15 (0.02) | 18.10 | |||||||
| Pan g magnitude | 20.28 (0.02) | ||||||||
| Pan r magnitude | 19.31 (0.01) | ||||||||
| Pan i magnitude | 18.53 (0.008) | ||||||||
| Pan z magnitude | 18.19 (0.007) | ||||||||
| Pan y magnitude | 18.01 (0.02) | ||||||||
| E(B-V) | 0.030 | ||||||||
* 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.