All names: WDJ092943.17-173250.68, WD 0927-173, LP 787-49, Gaia DR2 5681903877596752640, 2MASS J09294312-1732499, J0929-1732, Gaia DR3 5681903877597244032, NLTT 21913, Gaia EDR3 5681903877597244032, TIC 296782690, EC 09273-1719, GALEX J092943.3-173252
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Caron et al. 2023 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Zuckerman et al. 2003 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 29 43.53 (0.2) | 02 49 43.52 (0.2) | 09 29 43.53 | 09 29 43.17 (0.2) | 09 29 43.52 | 09 29 42.86 | ||||||
| Declination | -17 32 55.65 (0.2) | -17 32 55.49 (0.2) | -17 32 55.65 | -17 32 50.67 (0.2) | -17 32 55.49 | -17 32 47.40 | ||||||
| Spectral type | DA | DA | DA | DA | DA5.0 | DA6 | ||||||
| Effective temperature | [K] | 7451.0 (79) | 7396.0 (37) | 10000.0 (182) | 8000.0 | 7638.0 (34) | ||||||
| log(g) | [cgs] | 8.07 (0.04) | 8.06 (0.01) | 8.91 (0.04) | 8.00 | 8.12 (0.01) | ||||||
| Mass | [M☉] | 0.636 (0.02) | 0.632 (0.01) | 1.16 (0.02) | 0.67 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.5000 | ||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | <-10.440 | |||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 30.08 (0.2) | 30.08 (0.2) | 30.28 (0.2) | 30.28 (0.2) | 30.08 | 30.08 (0.2) | 30.28 (0.2) | ||||
| Distance | [pc] | 33.24 (0.3) | 33.24 (0.3) | 33.03 (0.2) | 33.03 (0.2) | 28.00 | 33.24 | 33.24 (0.3) | 33.03 (0.2) | |||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 446.89673 (321) | 315.3992309 (0.3) | 320.807 (0.2) | 315.3992309 | |||||||
| Proper motion (declination) | [mas/yr] | 0.21310098 (-3e+02) | -310.2615816 (0.4) | -311.126 (0.2) | -310.2615816 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.32 | |||||||||||
| V magnitude | 16.04 (0.02) | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.40 (0.06) | 15.40 (0.06) | ||||||||||
| H magnitude | 15.18 (0.08) | 15.18 (0.08) | ||||||||||
| K magnitude | 15.11 (0.2) | 15.11 (0.2) | ||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.92 (0.0007) | 15.93 | 15.92 | 15.92 (0.003) | 15.93 | |||||||
| BP magnitude | 16.06 (0.004) | 16.03 | 16.03 | |||||||||
| RP magnitude | 15.62 (0.004) | 15.60 | 15.60 | |||||||||
| Pan g magnitude | 16.06 (0.003) | |||||||||||
| Pan r magnitude | 15.97 (0.004) | |||||||||||
| Pan i magnitude | 15.95 (0.004) | |||||||||||
| Pan z magnitude | 15.99 (0.01) | |||||||||||
| Pan y magnitude | 16.03 (0.007) | |||||||||||
| E(B-V) | 0.000 | |||||||||||
* 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.