All names: SDSS J235329.87+144920.1, Gaia DR3 2770721988635840768, ZTF J235329.88+144920.1, SDSS J235329.88+144920.1, SDSS J235329.88+144920.13, Gaia EDR3 2770721988635840768, Gaia DR2 2770721988635840768
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 23 53 29.88 (0.1) | 23 53 29.88 | 23 53 29.88 (0.2) | 23 53 29.88 (0.1) | |||
| Declination | 14 49 20.09 (0.1) | 14 49 20.12 | 14 49 20.09 (0.09) | 14 49 20.14 (0.1) | |||
| Spectral type | sdA | sdA | |||||
| Effective temperature | [K] | 8239.0 (23) | |||||
| log(g) | [cgs] | 5.73 (0.08) | |||||
| Mass | [M☉] | 0.17119 (0.0001) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.16 (0.2) | -0.08 (0.2) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 1.609133618 (0.2) | 1.24369364 (0.5) | 1.609 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -3.4874403 (0.1) | -3.339405838 (0.2) | -3.487 (0.1) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 19.34 (0.03) | 19.34 (0.03) | 19.34 (0.03) | ||||
| g magnitude | 18.25 (0.007) | 18.26 (0.02) | 18.25 (0.007) | ||||
| r magnitude | 18.16 (0.008) | 18.17 (0.02) | 18.16 (0.008) | ||||
| i magnitude | 18.19 (0.009) | 18.19 (0.02) | 18.18 (0.009) | ||||
| z magnitude | 18.25 (0.03) | 18.24 (0.03) | 18.22 (0.03) | ||||
| G magnitude | 18.12 (0.02) | 18.15 | 18.12 (0.005) | ||||
| BP magnitude | 18.25 (0.02) | 18.29 | |||||
| RP magnitude | 17.91 (0.02) | 17.90 | |||||
| Pan g magnitude | 18.11 (0.02) | ||||||
| Pan r magnitude | 18.06 (0.03) | ||||||
| Pan i magnitude | 18.24 (0.01) | ||||||
| Pan z magnitude | 18.29 (0.02) | ||||||
| Pan y magnitude | 18.25 (0.02) | ||||||
| E(B-V) | |||||||
* 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.