All names: 08056+3832, SDSS J080537.64+383212.4, WD 0802+386, GALEX J080537.6+383211, LP 208-28, G 111-54, SDSS J080537.64+383212.5, WDJ080537.65+383212.78, LP 257-28, SDSS J080537.65+383212.5, Gaia DR2 908957092928687104, G111-54, WD 0802+38, NLTT 18906, LSPM J0805+3832, GEN# +9.80111054, J0805+3832, TIC 17901092, EGGR 346, KUV 08023+3841, USNO-B1.0 1285-00173747, UCAC2 45336074, WIRED J080537.64+383212.4, PLX 1916.01, 2MASS J08053763+3832133, USNO 134, Gaia DR3 908957092928687104, PM J08056+3832, UBV M 53746, Gaia EDR3 908957092928687104
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Coutu et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Dufour et al. 2007 | Bergeron et al. 2001 | Sion et al. 1990 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 05 37.60 (0.03) | 08 05 37.64 | 08 05 37.65 | 08 05 37.60 (0.04) | 08 05 37.60 | 08 05 37.65 (0.03) | 08 05 37.60 | 08 05 37.64 | 08 05 37.49 | 08 05 37.65 | |||||||||
| Declination | 38 32 07.98 (0.02) | 38 32 12.50 | 38 32 12.78 | 38 32 08.13 (0.03) | 38 32 07.98 | 38 32 12.78 (0.02) | 38 32 08.13 | 38 32 12.43 | 38 32 24.00 | 38 32 12.48 | |||||||||
| Spectral type | DZ | DZ | DZ | DZ | DZ | DZ | DZ: | DZ5 | DZ | DZ | DZ4.6 | DZ | DZ | ||||||
| Effective temperature | [K] | 10732.0 (61) | 10680.0 (354) | 10200.0 (206) | 10660.0 (40) | 11070.0 (480) | 10200.0 | 9710.0 (82) | 10474.0 (111) | 11517.0 (363) | |||||||||
| log(g) | [cgs] | 8.13 (0.006) | 8.11 | 8.14 (0.2) | 8.00 | 8.31 (0.2) | 7.86 (0.01) | 8.82 (0.2) | 9.64 (0.2) | ||||||||||
| Mass | [M☉] | 0.664 (0.006) | 0.6491 | 0.67 (0.1) | 0.78 (0.1) | 0.502 (0.009) | |||||||||||||
| log(Luminosity) | [L☉] | -2.89 | -2.85 (0.1) | ||||||||||||||||
| Cooling age | [Gyr] | 0.6180 | 0.7600 (0.2) | ||||||||||||||||
| log(H/He) | <-5.9537 | <-6.0 | |||||||||||||||||
| log(C/He) | |||||||||||||||||||
| log(Ca/He) | -9.51 | -9.601 (0.02) | -10.03 (0.03) | ||||||||||||||||
| log(Ca/H) | |||||||||||||||||||
| log(N/He) | |||||||||||||||||||
| log(O/He) | |||||||||||||||||||
| log(Na/He) | |||||||||||||||||||
| log(Mg/He) | |||||||||||||||||||
| log(Al/He) | |||||||||||||||||||
| log(Si/He) | |||||||||||||||||||
| log(P/He) | |||||||||||||||||||
| log(S/He) | |||||||||||||||||||
| log(Cl/He) | |||||||||||||||||||
| log(Sc/He) | |||||||||||||||||||
| log(Ti/He) | |||||||||||||||||||
| log(V/He) | |||||||||||||||||||
| log(Cr/He) | |||||||||||||||||||
| log(Mn/He) | |||||||||||||||||||
| log(Fe/He) | |||||||||||||||||||
| log(Co/He) | |||||||||||||||||||
| log(Ni/He) | |||||||||||||||||||
| log(Cu/He) | |||||||||||||||||||
| log(Zn/He) | |||||||||||||||||||
| log(Ga/He) | |||||||||||||||||||
| log(Ge/He) | |||||||||||||||||||
| log(Sr/He) | |||||||||||||||||||
| Parallax | [mas] | 22.09 (0.03) | 22.06 | 22.06 (0.06) | 24.00 (3) | 24.00 (3) | 22.09 | 22.09 (0.03) | 22.06 (0.06) | 23.00 (3) | |||||||||
| Distance | [pc] | 45.27 (0.07) | 45.33 (0.1) | 45.33 (0.1) | 41.70 (7) | 49.00 | 41.67 (5) | 45.27 | 45.27 (0.07) | 45.33 (0.1) | 43.48 (6) | ||||||||
| Composition | He | He | He | He | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -37.3135068 (0.03) | -37.31587656 (0.09) | -37.314 (0.03) | -37.316 | -37.9 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -299.8583237 (0.03) | -299.9192088 (0.06) | -299.858 (0.03) | -299.919 | -301.1 | |||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 15.60 | 15.62 | |||||||||||||||||
| V magnitude | 15.56 | ||||||||||||||||||
| R magnitude | 15.51 | 15.60 | |||||||||||||||||
| I magnitude | 15.48 | ||||||||||||||||||
| J magnitude | 15.60 | ||||||||||||||||||
| H magnitude | 15.58 | 15.66 (0.2) | |||||||||||||||||
| K magnitude | 15.64 | ||||||||||||||||||
| u magnitude | 15.57 (0.004) | 15.57 (0.004) | 15.57 (0.004) | 15.59 (0.02) | 15.59 | 15.61 (0.02) | |||||||||||||
| g magnitude | 15.46 (0.003) | 15.46 (0.003) | 15.46 (0.003) | 15.51 (0.01) | 15.51 | 15.51 (0.01) | |||||||||||||
| r magnitude | 15.62 (0.004) | 15.62 (0.004) | 15.62 (0.004) | 15.61 (0.01) | 15.61 | 15.62 (0.01) | |||||||||||||
| i magnitude | 15.78 (0.004) | 15.78 (0.004) | 15.78 (0.004) | 15.79 (0.01) | 15.79 | 15.80 (0.01) | |||||||||||||
| z magnitude | 15.99 (0.006) | 15.99 (0.006) | 15.99 (0.006) | 15.98 (0.02) | 15.98 | 15.99 (0.02) | |||||||||||||
| G magnitude | 15.53 (0.003) | 15.55 | 15.53 | 15.53 (0.003) | 15.55 | ||||||||||||||
| BP magnitude | 15.54 (0.003) | 15.51 | 15.51 | ||||||||||||||||
| RP magnitude | 15.49 (0.003) | 15.48 | 15.48 | ||||||||||||||||
| Pan g magnitude | 15.51 (0.01) | ||||||||||||||||||
| Pan r magnitude | 15.64 (0) | ||||||||||||||||||
| Pan i magnitude | 15.82 (0.003) | ||||||||||||||||||
| Pan z magnitude | 16.00 (0.0002) | ||||||||||||||||||
| Pan y magnitude | 16.14 (0.007) | ||||||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||||
* 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.