WD 1345+340

All names: Gaia DR3 1458577907405437056, LAMOST J134745.48+334719.4, SDSS J134745.47+334719.4, 2MASS J13474547+3347194, WD 1345+340, GALEX J134745.5+334719, SDSS J134745.48+334719.4, Gaia EDR3 1458577907405437056, Gaia DR2 1458577907405437056, TIC 165765750

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 13 47 45.49 (0.1) 13 47 45.48 13 47 45.49 (0.1) 13 47 45.47 (0.1) 13 47 45.60
Declination 33 47 19.38 (0.1) 33 47 19.43 33 47 19.38 (0.1) 33 47 19.45 (0.1) 33 47 16.44
Spectral type DA+M DA3.9 M
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.84 (0.2) 1.60 (0.2) 1.84 (0.2)
Distance [pc] 543.82 (64) 623.81 (92) 543.83 (64)
Composition
Proper motion (right ascension) [mas/yr] 18.24148424 (0.2) 17.72303139 (0.2) 18.241 (0.2)
Proper motion (declination) [mas/yr] -4.477333322 (0.1) -3.621010705 (0.2) -4.477 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 13.91 (0.02)
H magnitude 13.30 (0.03)
K magnitude 13.19 (0.03)
u magnitude 18.66 (0.02) 18.65 (0.02) 18.67
g magnitude 17.40 (0.005) 17.41 (0.005) 17.45
r magnitude 16.33 (0.004) 16.33 (0.004) 16.34
i magnitude 15.57 (0.004) 15.57 (0.004) 15.57
z magnitude 15.14 (0.005) 15.16 (0.005) 15.20
G magnitude 16.21 (0.004) 16.17 16.21 (0.003)
BP magnitude 17.00 (0.004) 17.00
RP magnitude 15.18 (0.002) 15.19
Pan g magnitude 17.29 (0.006)
Pan r magnitude 16.34 (0.003)
Pan i magnitude 15.58 (0.003)
Pan z magnitude 15.26 (0.003)
Pan y magnitude 15.06 (0.003)
E(B-V) 0.021

* Constant surface field

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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.