All names: V* KV Dra, Gaia DR3 1620622591076494208, 1RXS J145035.5+640328, [ZEH2003] RX J1450.5+6403 1, TIC 335682765, Gaia DR2 1620622591076059264, FBS 1449+642, USNO-A2.0 1500-05846206, HS 1449+6415, AAVSO 1448+64, 2MASS J14503833+6403294, RX J1450.5+6403, FBS B 721
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 14 50 38.33 | 14 50 38.33 (0.05) | |
| Declination | 64 03 29.10 | 64 03 29.00 (0.05) | |
| Spectral type | DQ | DQ | |
| 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] | 2.31 | 2.31 (0.05) |
| Distance | [pc] | 433.72 | 433.73 (9) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -0.422 (0.05) | |
| Proper motion (declination) | [mas/yr] | 5.893 (0.07) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.67 (0.1) | ||
| H magnitude | 16.17 (0.2) | ||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 17.27 | 17.27 (0.01) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| 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.