All names: 2RE J0827+284, ** FAR 6A, PG 0824+289, EUVE J0827+28.7, 1SWASP J082705.14+284402.6, Gaia DR2 707301472073850112, WDS J08271+2844AB, RE J082704+284403, WDS J08271+2844A, WDS J08271+2844AaAb, Gaia DR3 707301472073850112, WD 0824+288, Gaia EDR3 707301472073850112, TIC 3575678, 1RXS J082704.9+284411, 2MASS J08270508+2844024, 2RE J082704+284407, HS 0824+2854, RBS 701, SDSS J082705.05+284402.7, RE J0827+284, GALEX J082705.0+284402, PG 0824+288, WD 0824+289, USNO-B1.0 1187-00163669, [ZEH2003] RX J0827.0+2844 1, [TI98] 0824+2853, RX J0827.0+2844, ** FAR 6AaAb, 2EUVE J0827+28.7, CGCS 6293, RE J0827+28
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 27 05.03 (0.09) | 08 27 05.03 (0.1) | 08 27 05.05 (0.09) | 08 27 04.32 | ||||
| Declination | 28 44 02.57 (0.07) | 28 44 02.57 (0.08) | 28 44 02.78 (0.07) | 28 43 59.52 | ||||
| Spectral type | DA | DA+dC | DA | |||||
| Effective temperature | [K] | 47600.0 (823) | 50700.0 (1288) | |||||
| log(g) | [cgs] | 7.83 (0.06) | 7.74 (0.08) | |||||
| Mass | [M☉] | 0.61 (0.03) | 0.58 (0.03) | |||||
| log(Luminosity) | [L☉] | 0.24 | ||||||
| Cooling age | [Gyr] | 0.0023 | ||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| 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] | 6.61 (0.1) | 6.56 (0.2) | 6.61 (0.1) | ||||
| Distance | [pc] | 151.24 (3) | 152.46 (4) | 124.00 | 131.00 | 151.24 (3) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -17.71680297 (0.1) | -17.811 (0.2) | -17.717 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -13.29653711 (0.08) | -13.164 (0.1) | -13.297 (0.08) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | 14.73 | |||||||
| V magnitude | 14.27 | 14.27 | ||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 12.42 (0.03) | |||||||
| H magnitude | 11.80 (0.03) | |||||||
| K magnitude | 11.65 (0.03) | |||||||
| u magnitude | 14.23 (0.003) | 14.23 | ||||||
| g magnitude | 14.53 (0.003) | 14.53 | ||||||
| r magnitude | 15.30 (0.01) | 15.30 | ||||||
| i magnitude | 14.26 (0.004) | 14.26 | ||||||
| z magnitude | 14.10 (0.004) | 14.10 | ||||||
| G magnitude | 14.08 (0.003) | 14.08 | 14.08 (0.003) | |||||
| BP magnitude | 14.25 (0.003) | 14.21 | ||||||
| RP magnitude | 13.67 (0.003) | 13.68 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.006 | |||||||
* 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.