All names: Gaia DR3 587900900208157568, PG 0935+084, TIC 468994094, UCAC4 492-052523, GALEX J093740.9+081320, Gaia DR2 587900900208157568, Gaia EDR3 587900900208157568, 2MASS J09374093+0813209, PG0935+084, SDSS J093740.92+081320.9, UCAC2 34651743
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 37 40.92 (0.03) | 09 37 40.93 | 09 37 40.94 | 09 37 40.92 (0.06) | 09 37 40.93 (0.03) | 09 37 40.93 | |||
| Declination | 08 13 20.88 (0.02) | 08 13 20.92 | 08 13 21.10 | 08 13 20.88 (0.05) | 08 13 20.93 (0.02) | 08 13 20.94 | |||
| Spectral type | sdB+MS | sdB+F5gF2kA2 | SD_auto | ||||||
| Effective temperature | [K] | 27876.0 (154) | |||||||
| log(g) | [cgs] | 5.00 (0.002) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.46 (0.04) | 0.57 (0.1) | 0.57 (0.1) | 0.46 (0.04) | ||||
| Distance | [pc] | 2151.06 (168) | 1746.72 (314) | 1746.80 (314) | 2151.00 (167) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.174747995 (0.04) | -2.832 (0.1) | -2.832243788 (0.1) | -3.175 (0.04) | -2.7 | |||
| Proper motion (declination) | [mas/yr] | -3.351288165 (0.03) | -3.227 (0.1) | -3.226658791 (0.1) | -3.351 (0.03) | -4.5 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.41 (0.05) | ||||||||
| V magnitude | 15.28 (0.05) | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.65 (0.04) | 14.65 (0.04) | |||||||
| H magnitude | 14.53 (0.06) | 14.53 (0.06) | |||||||
| K magnitude | 14.39 (0.07) | 14.39 (0.07) | |||||||
| u magnitude | 15.44 (0.004) | 15.44 (0.004) | 15.44 (0.004) | 15.45 (0.02) | |||||
| g magnitude | 15.19 (0.003) | 15.19 (0.003) | 15.19 (0.003) | 15.19 (0.01) | |||||
| r magnitude | 15.25 (0.004) | 15.25 (0.004) | 15.25 (0.004) | 15.25 (0.01) | |||||
| i magnitude | 15.30 (0.004) | 15.30 (0.004) | 15.29 (0.004) | 15.31 (0.02) | |||||
| z magnitude | 15.37 (0.005) | 15.37 (0.005) | 15.37 (0.005) | 15.38 (0.01) | |||||
| G magnitude | 15.17 (0.002) | 15.19 (0.0008) | 15.19 | 15.17 (0.003) | |||||
| BP magnitude | 15.25 (0.002) | 15.25 (0.005) | 15.25 | ||||||
| RP magnitude | 14.99 (0.002) | 15.01 (0.002) | 15.01 | ||||||
| Pan g magnitude | 15.24 (0.002) | 15.24 (0.002) | |||||||
| Pan r magnitude | 15.27 (0.003) | 15.27 (0.003) | |||||||
| Pan i magnitude | 15.35 (0.002) | 15.35 (0.002) | |||||||
| Pan z magnitude | 15.43 (0.003) | 15.43 (0.003) | |||||||
| Pan y magnitude | 15.44 (0.008) | 15.44 (0.008) | |||||||
| 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.