All names: UCAC2 34400447, Gaia DR2 3287144634355536768, KUV 04269+0735, SDSS J042933.40+074152.3, UCAC4 489-007045, LAMOST J042933.41+074152.1, TIC 284703017, HZ 11, 2MASS J04293340+0741522, Gaia EDR3 3287144634355536768, Cl* Melotte 25 HZ 11, HZ11, Gaia DR3 3287144634355536768, LAMOST J042933.35+074152.3, GALEX J042933.3+074152
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 29 33.41 (0.03) | 04 29 33.40 | 04 29 33.41 (0.03) | ||
| Declination | 07 41 52.09 (0.02) | 07 41 53.14 | 07 41 52.34 (0.02) | ||
| Spectral type | sdO | sdB | |||
| Effective temperature | [K] | 44080.0 (1010) | |||
| log(g) | [cgs] | 5.62 (0.04) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.99 (0.04) | 0.92 (0.06) | 0.99 (0.04) | |
| Distance | [pc] | 1006.54 (43) | 1081.43 (66) | 1006.54 (43) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.377 (0.04) | 3.3 (0.1) | 3.377 (0.04) | |
| Proper motion (declination) | [mas/yr] | -15.208 (0.03) | -15.162 (0.07) | -15.208 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.03 (0.05) | ||||
| V magnitude | 15.09 (0.04) | ||||
| R magnitude | 15.55 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.36 (0.05) | 15.36 (0.05) | |||
| H magnitude | 15.31 (0.1) | 15.31 (0.1) | |||
| K magnitude | 15.42 (0.1) | 15.42 (0.1) | |||
| u magnitude | 14.68 (0.004) | 14.68 (0.02) | |||
| g magnitude | 14.87 (0.004) | 14.96 (0.02) | |||
| r magnitude | 15.23 (0.004) | 15.27 (0.05) | |||
| i magnitude | 15.50 (0.005) | 15.50 (0.1) | |||
| z magnitude | 15.73 (0.006) | 15.72 (0.02) | |||
| G magnitude | 15.05 (0.003) | 15.07 (0.0007) | 15.05 (0.003) | ||
| BP magnitude | 14.97 (0.003) | 14.90 (0.008) | |||
| RP magnitude | 15.19 (0.004) | 15.18 (0.003) | |||
| Pan g magnitude | 14.95 (0.005) | ||||
| Pan r magnitude | 15.25 (0.001) | ||||
| Pan i magnitude | 15.52 (0.003) | ||||
| Pan z magnitude | 15.72 (0.005) | ||||
| Pan y magnitude | 15.86 (0.008) | ||||
| E(B-V) | 0.184 | ||||
* 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.