All names: SDSS J143515.80+191254.6, TYC 1480-1243-1, GSC 01480-01243, GEN# +1.00128220, HD 128220, GCRV 64893, Gaia DR2 1239210116298387712, UBV M 20255, AG+19 1367, 2MASS J14351578+1912544, HIP 71332, Renson 36420, WEB 12318, SBC9 814, NSV 6723, HD128220, YZ 19 5260, Gaia DR1 1239210112002825984, BD+19 2824, UBV 12740, HIC 71332, TD1 17581, PPM 130690, SAO 101094, TIC 347436717, 2XMM J143515.9+191253, uvby98 100128220, AGKR 13030, Gaia DR3 1239210116298387712, SBC7 519
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 35 15.78 | 14 35 15.78 (0.03) | ||
| Declination | 19 12 54.50 | 19 12 54.53 (0.04) | ||
| Spectral type | sdO+G | G0IIIn+sdO | ||
| Effective temperature | [K] | 40600.0 (400) | ||
| log(g) | [cgs] | 4.50 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.99 (0.07) | 1.87 (0.05) | |
| Distance | [pc] | 501.96 (17) | 535.16 (14) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.073 (0.1) | 0.124 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.723 (0.1) | -1.669 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 8.72 (0.02) | |||
| V magnitude | 8.50 (0.01) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 7.42 (0.02) | 7.42 (0.02) | ||
| H magnitude | 7.08 (0.02) | 7.08 (0.02) | ||
| K magnitude | 7.02 (0.02) | 7.02 (0.02) | ||
| u magnitude | 12.37 (0.01) | |||
| g magnitude | 12.80 (0.008) | |||
| r magnitude | 12.25 (0.008) | |||
| i magnitude | 12.35 (0.01) | |||
| z magnitude | 12.12 (0.01) | |||
| G magnitude | 8.32 (0.0008) | 8.33 (0.003) | ||
| BP magnitude | 8.52 (0.004) | |||
| RP magnitude | 7.98 (0.002) | |||
| Pan g magnitude | 8.96 | |||
| Pan r magnitude | 8.54 | |||
| Pan i magnitude | 8.40 | |||
| Pan z magnitude | 8.36 | |||
| Pan y magnitude | 8.34 | |||
| E(B-V) | 0.026 | |||
* 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.