All names: 2MASS J13550275+5740584, Gaia DR2 1659023206474660352, WIRED J135502.75+574058.3, [HHD2009] SDSS J1355+5740, SDSS J135502.76+574058.3, SBSS 1353+579, WD 1353+579, SDSS J135502.75+574058.3, Gaia DR3 1659023206475078912, TIC 141916077, GALEX J135502.7+574058
Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|
Right ascension | 13 55 02.75 | 13 55 02.76 (0.9) | 13 55 02.75 | 13 55 02.73 (0.6) | 13 55 02.06 | 13 55 02.76 | ||
Declination | 57 40 58.36 | 57 40 58.12 (1) | 57 40 58.30 | 57 40 58.30 (0.7) | 57 40 55.92 | 57 40 58.33 | ||
Spectral type | DA+K | DA+K | DA.64 K | DA:M | ||||
Effective temperature | [K] | 6504.0 (79) | 10082.0 (8) | |||||
log(g) | [cgs] | 9.50 (0.09) | 8.19 (0.07) | |||||
Mass | [M☉] | 1.46 (0.05) | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 6.29 (0.7) | ||||||
Distance | [pc] | 159.00 (19) | ||||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | 18.417 (0.8) | ||||||
Proper motion (declination) | [mas/yr] | -11.806 (0.8) | ||||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | WDMS | yes | ||||||
B magnitude | 16.50 | |||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | 14.77 (0.04) | |||||||
H magnitude | 14.12 (0.03) | |||||||
K magnitude | 13.92 (0.05) | |||||||
u magnitude | 16.51 (0.007) | 16.46 | 16.50 (0.007) | 16.45 | 16.47 (0.02) | |||
g magnitude | 16.62 (0.004) | 16.66 | 16.62 (0.004) | 16.65 | 16.66 (0.04) | |||
r magnitude | 16.30 (0.004) | 16.33 | 16.30 (0.004) | 16.32 | 16.33 (0.01) | |||
i magnitude | 15.99 (0.005) | 16.02 | 15.99 (0.005) | 16.01 | 16.01 (0.02) | |||
z magnitude | 15.77 (0.007) | 15.77 | 15.77 (0.007) | 15.76 | 15.77 (0.03) | |||
G magnitude | 16.42 | 16.66 (0.01) | ||||||
BP magnitude | 16.50 | |||||||
RP magnitude | 15.66 | |||||||
Pan g magnitude | 16.64 (0.001) | |||||||
Pan r magnitude | 16.33 (0.003) | |||||||
Pan i magnitude | 16.03 (0.002) | |||||||
Pan z magnitude | 15.89 (0.002) | |||||||
Pan y magnitude | 15.78 (0.007) | |||||||
E(B-V) |
* 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.