All names: UCAC4 426-003116, 3XLSS J023427.7-045429, ATO J038.6158-04.9086, TIC 251107048, Gaia DR2 2488974302977323008, ASASSN -14dx, [LMG2016] N 119 9, WDJ023427.73-045430.68, DENIS J023427.7-045430, 2MASS J02342772-0454305, Gaia DR3 2488974302977323008, 3XMM J023427.7-045430, SDSS J023427.78-045431.0, CRTS CSS141005 J023428-045431, Gaia EDR3 2488974302977323008
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 34 27.82 (0.03) | 02 34 27.82 | 02 34 27.73 (0.03) | 02 34 27.82 | |||
| Declination | -04 54 31.26 (0.02) | -04 54 31.24 | -04 54 30.69 (0.02) | -04 54 31.24 | |||
| Spectral type | CND | ||||||
| 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] | 12.28 (0.03) | 12.34 (0.04) | 12.28 (0.03) | 12.34 (0.04) | ||
| Distance | [pc] | 81.42 (0.2) | 81.02 (0.3) | 81.42 (0.2) | 81.02 (0.3) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 85.75671401 (0.03) | 85.68872535 (0.07) | 85.757 (0.03) | 85.68872535 | ||
| Proper motion (declination) | [mas/yr] | -35.75717623 (0.03) | -35.86958655 (0.07) | -35.757 (0.03) | -35.86958655 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.60 (0.1) | ||||||
| V magnitude | 16.40 (0.02) | ||||||
| R magnitude | |||||||
| I magnitude | 16.20 (0.09) | ||||||
| J magnitude | 15.81 (0.06) | ||||||
| H magnitude | 15.15 (0.08) | ||||||
| K magnitude | 14.55 (0.08) | ||||||
| u magnitude | 16.42 (0.007) | 16.42 (0.007) | |||||
| g magnitude | 16.26 (0.004) | 16.26 (0.004) | |||||
| r magnitude | 16.38 (0.005) | 16.37 (0.005) | |||||
| i magnitude | 16.56 (0.005) | 16.55 (0.005) | |||||
| z magnitude | 16.65 (0.009) | 16.63 (0.009) | |||||
| G magnitude | 15.20 (0.02) | 14.96 | 15.20 (0.02) | 14.96 | |||
| BP magnitude | 15.22 (0.07) | 14.92 | 14.92 | ||||
| RP magnitude | 15.02 (0.08) | 14.69 | 14.69 | ||||
| Pan g magnitude | 16.29 (0.007) | ||||||
| Pan r magnitude | 16.42 (0.008) | ||||||
| Pan i magnitude | 16.60 (0.007) | ||||||
| Pan z magnitude | 16.73 (0.005) | ||||||
| Pan y magnitude | 16.78 (0.01) | ||||||
| E(B-V) | 0.002 | ||||||
* 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.