All names: PB 3267, A2 391, KUV 494-8, [BOA98] 45, KUV 13014+2703, 2MASS J13034661+2646314, FAUST 3664, SDSS J130346.61+264630.6, GALEX J130346.6+264629, CBS 338, UCAC4 584-048165, PG1301+270, Ton 143, US 200, SDSS J130346.62+264630.6, TIC 359149230, UCAC2 41200326, PG 1301+270, LAMOST J130346.61+264630.6, LAMOST J130346.61+264630.8, Gaia DR2 1460356814139885568, OMHR J130346.67+264630.6, [BCF91] 503, Gaia DR3 1460356814139885568
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 03 46.67 | 13 03 46.63 (0.04) | ||
| Declination | 26 46 30.42 | 26 46 30.55 (0.04) | ||
| Spectral type | He-sdO | sdOHe | ||
| Effective temperature | [K] | 49400.0 (1280) | ||
| log(g) | [cgs] | 6.54 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.23 (0.08) | 0.33 (0.06) | |
| Distance | [pc] | 4430.66 (1521) | 3039.51 (553) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -12.254 (0.1) | -12.666 (0.06) | |
| Proper motion (declination) | [mas/yr] | 4.94 (0.1) | 5.202 (0.09) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.47 (0.02) | |||
| V magnitude | 15.71 | |||
| R magnitude | 15.96 (0.1) | |||
| I magnitude | ||||
| J magnitude | 16.21 (0.08) | 16.21 (0.08) | ||
| H magnitude | 16.10 (0.2) | 16.10 (0.2) | ||
| K magnitude | 16.17 (0.3) | 16.17 (0.3) | ||
| u magnitude | 14.86 (0.004) | 14.86 (0.004) | ||
| g magnitude | 15.33 (0.004) | 15.33 (0.004) | ||
| r magnitude | 15.88 (0.004) | 15.88 (0.004) | ||
| i magnitude | 16.24 (0.004) | 16.24 (0.004) | ||
| z magnitude | 16.59 (0.009) | 16.59 (0.009) | ||
| G magnitude | 15.60 (0.0006) | 15.60 (0.003) | ||
| BP magnitude | 15.32 (0.005) | |||
| RP magnitude | 15.93 (0.003) | |||
| Pan g magnitude | 15.42 (0.004) | |||
| Pan r magnitude | 15.88 (0.005) | |||
| Pan i magnitude | 16.27 (0.005) | |||
| Pan z magnitude | 16.56 (0.005) | |||
| Pan y magnitude | 16.77 (0.006) | |||
| E(B-V) | 0.015 | |||
* 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.