2QZ J140615.9-003715

All names: SDSS J140615.98-003714.88, SDSS J140615.98-003714.8, 2QZ J140615.9-003715, Gaia DR2 3659643535868664832, 2SLAQ J140615.99-003714.9, Gaia DR3 3659643535868664832, USNO-B1.0 0893-00231975, J1406-0037, Gaia EDR3 3659643535868664832, SDSS J140615.98-003714.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 14 06 15.99 (0.7) 14 06 15.99 14 06 15.98 14 06 15.99 (0.8) 14 06 15.99 (0.7)
Declination -00 37 14.94 (0.5) -00 37 14.88 -00 37 14.91 -00 37 14.94 (0.8) -00 37 14.92 (0.5)
Spectral type DZ DZ DZ DZ DZ
Effective temperature [K] 7522.0 (197) 8562.0 8433.0 (133)
log(g) [cgs] 8.10 8.40 8.00 (0)
Mass [M] 0.6391 0.851
log(Luminosity) [L]
Cooling age [Gyr] 1.5000 1.8370
log(H/He) <-4.0857
log(C/He)
log(Ca/He) -8.7807 (0.2) -8.031 (0.1)
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] 3.60 (0.8) 3.95 3.95 (1) 3.60 (0.8)
Distance [pc] 277.99 (58) 253.38 (79) 253.38 (79) 277.99 (58)
Composition He He He
Proper motion (right ascension) [mas/yr] 1.217691742 (0.9) 2.767074867 (2) 1.218 (0.9)
Proper motion (declination) [mas/yr] -1.337286826 (0.7) -2.119945905 (3) -1.337 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.70
V magnitude
R magnitude 20.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.08 (0.08) 21.07 (0.07) 21.07 (0.08)
g magnitude 20.44 (0.02) 20.45 (0.03) 20.45 (0.02)
r magnitude 20.33 (0.03) 20.34 (0.03) 20.34 (0.03)
i magnitude 20.44 (0.04) 20.44 (0.04) 20.45 (0.04)
z magnitude 20.63 (0.2) 20.61 (0.2) 20.61 (0.2)
G magnitude 20.33 (0.08) 20.38 20.33 (0.008)
BP magnitude 20.28 (0.08) 20.51
RP magnitude 20.25 (0.2) 20.08
Pan g magnitude 20.43 (0.02)
Pan r magnitude 20.35 (0.02)
Pan i magnitude 20.45 (0.02)
Pan z magnitude 20.55 (0.05)
Pan y magnitude
E(B-V) 0.025

* 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.