All names: SDSS J155855.55+613203.3, TIC 199522461, WISE J155855.53+613203.7, ** FAR 44, Gaia EDR3 1627651455379224576, HS 1558+6140, 2MASS J15585553+6132037, WDS J15589+6132AB, WISEA J155855.52+613203.6, SDSS J155855.54+613203.2, Gaia DR2 1627651459675178752, WD 1558+616
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|
Right ascension | 15 58 55.56 (0.1) | 15 58 55.51 (0.2) | 15 58 55.54 (140) | 15 58 55.15 | |||
Declination | 61 32 02.95 (0.2) | 61 32 03.61 (0.2) | 61 32 03.73 (60) | 61 32 03.48 | |||
Spectral type | DA | DA2.6 | DA | ||||
Effective temperature | [K] | 19420.0 (390) | |||||
log(g) | [cgs] | 7.98 (0.06) | |||||
Mass | [M☉] | 0.61 (0.03) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
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] | 5.75 (0.2) | 6.49 (0.2) | ||||
Distance | [pc] | 174.04 (5) | 154.20 (4) | 145.00 | |||
Composition | H | ||||||
Proper motion (right ascension) | [mas/yr] | -4.855511419 (0.2) | -4.418249345 (0.3) | ||||
Proper motion (declination) | [mas/yr] | -14.47728169 (0.2) | -10.68334182 (0.5) | ||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | yes | ||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | 14.20 (0.03) | ||||||
H magnitude | 13.60 (0.04) | ||||||
K magnitude | 13.37 (0.04) | ||||||
u magnitude | 17.15 (0.01) | ||||||
g magnitude | 16.83 (0.008) | ||||||
r magnitude | 16.82 (0.009) | ||||||
i magnitude | 16.13 (0.009) | ||||||
z magnitude | 15.55 (0.01) | ||||||
G magnitude | 17.13 (0.007) | 16.95 | |||||
BP magnitude | 16.87 (0.007) | 16.77 | |||||
RP magnitude | 15.77 (0.01) | 15.73 | |||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) | 0.015 |
* 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.