All names: LAMOST J030138.20+050220.1, GALEX J030138.2+050220, SDSS J030138.24+050218.9, TIC 377058840, SBC9 3357, Gaia DR3 3787061643780608, WIRED J030138.24+050218.9, 2MASS J03013823+0502191, [SGR2010] J0301+0502, WD 0259+048, Gaia DR2 3787061643780608, LAMOST J030138.24+050219.0, SDSS J030138.24+050219.0, Gaia EDR3 3787061643780608
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 01 38.27 (0.1) | 03 01 38.24 | 03 01 38.27 (0.1) | 03 01 38.24 | 03 01 38.23 (0.1) | 03 01 37.85 | 03 01 38.24 | |||||
| Declination | 05 02 19.17 (0.1) | 05 02 18.98 | 05 02 19.16 (0.2) | 05 02 19.00 | 05 02 18.86 (0.1) | 05 02 17.88 | 05 02 18.99 | |||||
| Spectral type | DA+M | DA+M | DA+M4 | DA4.4+M4 | DA+M | DA | ||||||
| Effective temperature | [K] | 11109.0 (181) | 8221.0 (42) | |||||||||
| log(g) | [cgs] | 8.43 (0.1) | 6.33 (0.1) | |||||||||
| Mass | [M☉] | 0.875 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 4.74 (0.1) | 4.94 (0.2) | 4.74 (0.1) | ||||||||
| Distance | [pc] | 210.80 (6) | 202.50 (8) | 159.00 (13) | 210.80 (6) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 36.33727698 (0.2) | 36.93674616 (0.3) | 36.337 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | 19.07593182 (0.1) | 19.29280224 (0.3) | 19.076 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | yes | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.21 (0.05) | |||||||||||
| H magnitude | 14.47 (0.06) | |||||||||||
| K magnitude | 14.26 (0.07) | |||||||||||
| u magnitude | 18.96 (0.02) | 19.11 | 18.96 (0.02) | 19.11 | 19.11 (0.03) | |||||||
| g magnitude | 18.38 (0.007) | 18.39 | 18.38 (0.007) | 18.38 | 18.39 (0.02) | |||||||
| r magnitude | 18.11 (0.007) | 18.05 | 18.03 (0.007) | 18.03 | 18.05 (0.01) | |||||||
| i magnitude | 17.30 (0.006) | 17.27 | 17.27 (0.006) | 17.27 | 17.27 (0.02) | |||||||
| z magnitude | 16.60 (0.009) | 16.61 | 16.61 (0.009) | 16.61 | 16.61 (0.02) | |||||||
| G magnitude | 17.70 (0.01) | 17.71 | 17.70 (0.003) | |||||||||
| BP magnitude | 18.39 (0.01) | 18.34 | ||||||||||
| RP magnitude | 16.81 (0.01) | 16.79 | ||||||||||
| Pan g magnitude | 18.35 (0.006) | |||||||||||
| Pan r magnitude | 18.12 (0.003) | |||||||||||
| Pan i magnitude | 17.28 (0.004) | |||||||||||
| Pan z magnitude | 16.74 (0.004) | |||||||||||
| Pan y magnitude | 16.42 (0.005) | |||||||||||
| E(B-V) | 0.042 | |||||||||||
* 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.