All names: 2MASS J15271727+0024129, Gaia EDR3 4417353733425548800, SDSS J152717.25+002413.3, Gaia DR3 4417353733425548800, [HHD2009] SDSS J1527+0024, WD 1524-002, GALEX J152717.3+002413, Gaia DR2 4417353733424304384, SDSS J152717.25+002413.4, WD 1524+005.1, SDSS J152717.26+002413.3, SDSS J152717.24+002413.3, TIC 461369843
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 27 17.24 (0.8) | 15 27 17.26 | 15 27 17.24 (1) | 15 27 17.24 | 15 27 17.26 (0.8) | 15 27 17.26 | 15 27 17.06 | 15 27 17.25 | ||||
| Declination | 00 24 13.38 (0.8) | 00 24 13.32 | 00 24 13.38 (1) | 00 24 13.28 | 00 24 13.32 (0.8) | 00 24 13.33 | -00 24 11.88 | 00 24 13.37 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 12250.0 (1672) | 9477.0 (119) | 9339.0 (123) | ||||||||
| log(g) | [cgs] | 7.44 (0.5) | 7.91 (0.1) | 8.00 (0.2) | ||||||||
| Mass | [M☉] | 0.34 (0.2) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 1.31 (1) | 1.31 (1) | |||||||||
| Distance | [pc] | 761.26 (565) | 698.00 (92) | 761.27 (565) | ||||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -16.16147177 (1) | -16.161 (1) | -10.4 | ||||||||
| Proper motion (declination) | [mas/yr] | 4.164731214 (1) | 4.165 (1) | 1.9 | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | ||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.82 (0.2) | |||||||||||
| H magnitude | 16.25 (0.2) | |||||||||||
| K magnitude | 15.79 (0.3) | |||||||||||
| u magnitude | 20.21 (0.04) | 20.20 | 20.20 | 20.21 (0.04) | 20.20 (0.04) | 20.20 | 20.20 (0.04) | |||||
| g magnitude | 19.63 (0.01) | 19.64 | 19.64 | 19.64 (0.01) | 19.64 (0.01) | 19.64 | 19.63 (0.02) | |||||
| r magnitude | 19.66 (0.02) | 19.66 | 19.66 | 19.66 (0.02) | 19.66 (0.02) | 19.66 | 19.66 (0.02) | |||||
| i magnitude | 19.04 (0.01) | 19.02 | 19.02 | 19.03 (0.01) | 19.02 (0.02) | 19.02 | 19.03 (0.02) | |||||
| z magnitude | 18.45 (0.03) | 18.42 | 18.43 | 18.43 (0.03) | 18.42 (0.04) | 18.43 | 18.43 (0.04) | |||||
| G magnitude | 19.53 (0.05) | 19.44 | 19.53 (0.01) | |||||||||
| BP magnitude | 19.63 (0.05) | 19.60 | ||||||||||
| RP magnitude | 18.55 (0.04) | 18.49 | ||||||||||
| Pan g magnitude | 19.64 (0.009) | |||||||||||
| Pan r magnitude | 19.63 (0.01) | |||||||||||
| Pan i magnitude | 19.04 (0.009) | |||||||||||
| Pan z magnitude | 18.54 (0.008) | |||||||||||
| Pan y magnitude | 18.24 (0.02) | |||||||||||
| E(B-V) | 0.057 | |||||||||||
* 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.