All names: 2MASS J15070640-0108539, Gaia EDR3 4418409711264549504, SDSS J150706.41-010854.4, Gaia DR2 4418409711264549504, Gaia DR3 4418409711264549504, TIC 20742044
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 07 06.41 (0.06) | 15 07 06.41 | 15 07 06.41 (0.08) | 15 07 06.41 (0.06) | 15 07 06.42 | |||
| Declination | -01 08 54.38 (0.05) | -01 08 54.37 | -01 08 54.38 (0.06) | -01 08 54.37 (0.05) | -01 08 54.45 | |||
| Spectral type | sdB | SDB | ||||||
| Effective temperature | [K] | 7844.0 (13) | ||||||
| log(g) | [cgs] | 5.00 (0.004) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.05 (0.06) | -0.08 (0.09) | 0.05 (0.06) | ||||
| Distance | [pc] | 19279.79 (24104) | 19267.82 (24057) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -5.318378516 (0.08) | -5.365941284 (0.2) | -5.318 (0.08) | -3.4 | |||
| Proper motion (declination) | [mas/yr] | -0.435992261 (0.07) | -0.657282283 (0.1) | -0.436 (0.07) | -0.8 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.40 (0.2) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 17.35 (0.008) | 17.37 (0.009) | 17.38 (0.02) | |||||
| g magnitude | 16.48 (0.004) | 16.49 (0.004) | 16.53 (0.02) | |||||
| r magnitude | 16.73 (0.004) | 16.76 (0.004) | 16.77 (0.02) | |||||
| i magnitude | 16.88 (0.005) | 16.94 (0.005) | 16.96 (0.01) | |||||
| z magnitude | 17.06 (0.01) | 17.08 (0.01) | 17.09 (0.02) | |||||
| G magnitude | 16.62 (0.006) | 16.65 | 16.62 (0.003) | |||||
| BP magnitude | 16.63 (0.006) | 16.61 | ||||||
| RP magnitude | 16.61 (0.006) | 16.60 | ||||||
| Pan g magnitude | 16.54 (0.003) | |||||||
| Pan r magnitude | 16.75 (0.006) | |||||||
| Pan i magnitude | 16.96 (0.003) | |||||||
| Pan z magnitude | 17.08 (0.006) | |||||||
| Pan y magnitude | 17.13 (0.009) | |||||||
| E(B-V) | 0.073 | |||||||
* 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.