All names: PSO J001849.476+001204.622, SDSS J001849.43+001204.7, Gaia DR2 2545263281069744512
Parameter | Unit | Pan-STARRS DR1 | Gaia DR2 | Dufour et al. 2007 | SDSS DR12 |
---|---|---|---|---|---|
Right ascension | 00 18 49.50 (0.2) | 00 18 49.44 | 00 18 49.44 | ||
Declination | -00 12 04.64 (0.1) | -00 12 04.79 | -00 12 04.78 | ||
Spectral type | DZ | ||||
Effective temperature | [K] | 9600.0 (170) | |||
log(g) | [cgs] | 8.00 (0) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | <-5.0 | ||||
log(C/He) | |||||
log(Ca/He) | -9.83 (0.07) | ||||
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] | 6.61 (0.2) | |||
Distance | [pc] | 151.36 (5) | 157.00 | ||
Composition | He | ||||
Proper motion (right ascension) | [mas/yr] | 60.24706292 (0.6) | |||
Proper motion (declination) | [mas/yr] | 8.287992536 (0.3) | |||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 18.52 (0.02) | ||||
g magnitude | 18.36 (0.007) | ||||
r magnitude | 18.47 (0.009) | ||||
i magnitude | 18.62 (0.01) | ||||
z magnitude | 18.85 (0.04) | ||||
G magnitude | 18.42 | ||||
BP magnitude | 18.40 | ||||
RP magnitude | 18.28 | ||||
Pan g magnitude | 18.39 (0.006) | ||||
Pan r magnitude | 18.48 (0.006) | ||||
Pan i magnitude | 18.63 (0.008) | ||||
Pan z magnitude | 18.80 (0.01) | ||||
Pan y magnitude | 18.88 (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.