All names: PSO J082829.121+363418.357, SDSS J082829.17+363418.6, Gaia DR2 904787706180546048, CBS 73, WD 0825+367, SDSS J082829.15+363418.8, SDSS J082829.14+363418.5
Parameter | Unit | MWDD HE | Pan-STARRS DR1 | Gaia DR2 | Bergeron et al. 2011 | SDSS DR12 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 08 28 29.11 (0.1) | 08 28 29.14 | 08 28 29.15 | 08 28 28.61 | ||||
Declination | 36 34 18.03 (0.08) | 36 34 18.55 | 36 34 18.92 | 36 34 31.08 | ||||
Spectral type | DB | DB | DB | DB | ||||
Effective temperature | [K] | 14962.0 | 15960.0 (438) | |||||
log(g) | [cgs] | 7.93 | 8.12 (0.1) | |||||
Mass | [M☉] | 0.5529999999999999 | 0.67 (0.07) | |||||
log(Luminosity) | [L☉] | -2.09 | ||||||
Cooling age | [Gyr] | 0.1801 | 0.2089 | |||||
log(H/He) | <-5.30 (0.4) | |||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
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] | 6.10 (0.2) | ||||||
Distance | [pc] | 163.82 (5) | 136.00 | |||||
Composition | He | He | ||||||
Proper motion (right ascension) | [mas/yr] | -39.4909317 (0.2) | ||||||
Proper motion (declination) | [mas/yr] | -61.7686435 (0.1) | ||||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | 17.00 | |||||||
V magnitude | 17.00 | |||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | ||||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 17.03 (0.008) | 17.00 | ||||||
g magnitude | 17.10 (0.005) | 17.09 | ||||||
r magnitude | 17.40 (0.005) | 17.39 | ||||||
i magnitude | 17.64 (0.007) | 17.64 | ||||||
z magnitude | 17.87 (0.02) | 17.93 | ||||||
G magnitude | 17.28 | |||||||
BP magnitude | 17.13 | |||||||
RP magnitude | 17.36 | |||||||
Pan g magnitude | 17.14 (0.004) | |||||||
Pan r magnitude | 17.42 (0.007) | |||||||
Pan i magnitude | 17.67 (0.003) | |||||||
Pan z magnitude | 17.91 (0.009) | |||||||
Pan y magnitude | 17.98 (0.03) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.