All names: ALS 7220, CSI+63-03247, TIC 390927255, FB 29, 2MASS J03290566+6404420, UBV M 50850, Gaia DR3 488017140776849664, Gaia DR2 488017140776849664, Lan 480, UCAC4 771-022052, TYC 4070-2419-1, GEN# +8.01630198, GSC 04070-02419, FB29, LS I +63 198
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 29 05.68 | 03 29 05.67 (0.02) | ||
| Declination | 64 04 42.20 | 64 04 42.16 (0.02) | ||
| Spectral type | sdOB | sdOB | ||
| 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] | 2.79 (0.04) | 2.82 (0.02) | |
| Distance | [pc] | 358.27 (5) | 354.06 (3) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 27.108 (0.06) | 27.077 (0.01) | |
| Proper motion (declination) | [mas/yr] | -21.246 (0.06) | -21.076 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.18 (0.3) | |||
| V magnitude | 13.20 (0.3) | |||
| R magnitude | 12.96 (0.07) | |||
| I magnitude | 13.20 | |||
| J magnitude | 13.02 (0.03) | 13.02 (0.03) | ||
| H magnitude | 13.14 (0.03) | 13.14 (0.03) | ||
| K magnitude | 13.16 (0.04) | 13.16 (0.04) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.73 (0.0005) | 12.71 (0.003) | ||
| BP magnitude | 12.62 (0.005) | |||
| RP magnitude | 12.81 (0.0008) | |||
| Pan g magnitude | 12.86 | |||
| Pan r magnitude | 13.10 | |||
| Pan i magnitude | 13.31 | |||
| Pan z magnitude | 13.35 (0.002) | |||
| Pan y magnitude | 13.50 (0.004) | |||
| E(B-V) | 0.129 | |||
* 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.