All names: PPM 69394, * 56 Per A, TYC 2380-2429-1, SAO 57216, Gaia DR3 172817599818083712, GSC 02380-02429, ADS 3188 A, GEN# +1.00027786, UBV M 10116, Gaia DR2 172817599818083712, CCDM J04246+3358A, UCAC4 620-015740, TIC 429102184, PLX 969, IDS 04181+3344 A, Gaia EDR3 172817599818083712, TD1 3118, HIP 20591, IRAS 04213+3350, WDS J04246+3358AaAb, GCRV 2553, ** BAS 4AaAb, HIC 20591, PLX 969.00, uvby98 100027786, 1RXS J042437.7+335743, HD 27786, WDS J04246+3358A, BD+33 854, * 56 Per, SKY# 6798, 2MASS J04243746+3357349, WEB 3945, WD 0421+338, ** STT 81A, WD 0421+336, GC 5335, BD+33 854A, HD 27786A, HR 1379, AG+33 421
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 04 24 37.52 (0.1) | 04 24 37.52 (0.08) | 04 24 37.46 (0.1) | 04 24 37.68 | ||
| Declination | 33 57 33.84 (0.06) | 33 57 33.89 (0.05) | 33 57 35.29 (0.06) | 33 57 39.60 | ||
| Spectral type | F4IV-V+DA | DA3.5 | ||||
| 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] | 23.79 (0.1) | 23.51 (0.09) | 23.79 (0.1) | ||
| Distance | [pc] | 42.03 (0.2) | 42.54 (0.2) | 42.03 (0.2) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 46.03404889 (0.2) | 43.818 (0.2) | 46.034 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -90.46650145 (0.1) | -90.502 (0.1) | -90.467 (0.1) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 6.18 (0.01) | |||||
| V magnitude | 5.79 (0.01) | |||||
| R magnitude | 6.90 (0.4) | |||||
| I magnitude | ||||||
| J magnitude | 4.89 (0.04) | |||||
| H magnitude | 4.73 (0.02) | |||||
| K magnitude | 4.71 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 5.68 (0.001) | 5.66 | 5.68 (0.003) | |||
| BP magnitude | 5.89 (0.001) | 5.90 | ||||
| RP magnitude | 5.32 (0.002) | 5.34 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.001 | |||||
* 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.