All names: SDSS J161208.84+175525.2, PSO J161208.847+175525.225, Gaia DR2 1199071993355525888
Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|
Right ascension | 16 12 08.85 (0.6) | 16 12 08.85 | 16 12 08.84 | 16 12 08.84 | |||
Declination | 17 55 25.15 (0.5) | 17 55 25.22 | 17 55 25.23 | 17 55 25.23 | |||
Spectral type | DA | DA | DA | ||||
Effective temperature | [K] | 26301.0 | 56000.0 (4916) | ||||
log(g) | [cgs] | 7.80 | 7.13 (0.2) | ||||
Mass | [M☉] | 0.5379999999999999 | 0.469 (0.05) | ||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | 0.0140 | |||||
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] | -0.89 (0.8) | |||||
Distance | [pc] | -1128.49 (992) | |||||
Composition | H | ||||||
Proper motion (right ascension) | [mas/yr] | -5.043390676 (1) | |||||
Proper motion (declination) | [mas/yr] | -7.66975894 (0.9) | |||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 19.64 (0.03) | 19.65 | 19.65 (0.04) | ||||
g magnitude | 19.97 (0.02) | 20.01 | 20.01 (0.02) | ||||
r magnitude | 20.53 (0.03) | 20.56 | 20.56 (0.03) | ||||
i magnitude | 20.79 (0.05) | 20.84 | 20.84 (0.05) | ||||
z magnitude | 21.02 (0.2) | 20.93 | 20.93 (0.2) | ||||
G magnitude | 20.31 | ||||||
BP magnitude | 19.98 | ||||||
RP magnitude | 20.34 | ||||||
Pan g magnitude | 20.07 (0.01) | ||||||
Pan r magnitude | 20.48 (0.02) | ||||||
Pan i magnitude | 20.88 (0.02) | ||||||
Pan z magnitude | 20.88 (0.2) | ||||||
Pan y magnitude |
* 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.