Wolf 665

All names: TIC 9532180, SDSS J171534.88+331303.7, Gaia EDR3 1334770870892758912, uvby98 610060360, USNO-B1.0 1232-00292081, WD 1713+332, WDJ171534.86+331303.89, Gaia DR2 1334770870892758912, PG 1713+333, BPM 92172, 2MASS J17153485+3313041, Gaia DR3 1334770870892758912, WD 1713+33, J1715+3313, EGGR 578, SDSS J171534.87+331303.7, LSPM J1715+3313, FBS B 596, GD 360, Wolf 665, SDSS J171534.87+331303.6, FBS 1713+333

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Koester et al. 2014 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 17 15 34.99 (0.02) 17 15 34.99 (0.03) 17 15 34.99 17 15 34.86 (0.02) 17 15 34.99 17 15 34.85
Declination 33 13 01.62 (0.02) 33 13 01.69 (0.04) 33 13 01.62 33 13 03.89 (0.02) 33 13 01.69 33 13 06.96
Spectral type DA DA DA DA DA DA2.2 DA
Effective temperature [K] 20329.0 (284) 20331.0 (286) 16930.0 21873.0 (297) 22870.0 (350) 20487.0 (197)
log(g) [cgs] 7.30 (0.01) 7.29 (0.01) 7.09 7.46 (0.09) 7.49 (0.05) 7.31 (0.008)
Mass [M☉] 0.335 (0.004) 0.334 (0.004) 0.271 0.389 (0.03) 0.42 (0.01) 0.34 (0.003)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0511
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/H)
log(C/H) -7.6 (0.2)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H) -8.3 (0.2)
log(P/H)
log(S/H)
log(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 11.25 (0.03) 11.17 (0.04) 11.25 11.25 (0.03) 11.17 (0.04)
Distance [pc] 88.86 (0.2) 89.53 (0.3) 88.00 88.86 88.86 (0.2) 89.53 (0.3)
Composition H H H
Proper motion (right ascension) [mas/yr] 103.2036128 (0.02) 103.2043926 (0.06) 103.204 (0.03) 103.2043926
Proper motion (declination) [mas/yr] -142.029923 (0.03) -142.0253455 (0.08) -142.03 (0.03) -142.0253455
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.43
V magnitude 14.39 (0.09)
R magnitude 14.70
I magnitude
J magnitude 14.90 (0.03)
H magnitude 14.97 (0.08)
K magnitude 14.96 (0.1)
u magnitude 14.29 (0.004) 14.28 (0.004) 14.27
g magnitude 14.26 (0.003) 14.24 (0.003) 14.24
r magnitude 14.64 (0.003) 14.63 (0.004) 14.63
i magnitude 14.93 (0.003) 14.97 (0.004) 14.96
z magnitude 15.20 (0.005) 15.23 (0.005) 15.22
G magnitude 14.45 (0.001) 14.47 14.45 14.45 (0.003) 14.47
BP magnitude 14.37 (0.001) 14.34 14.34
RP magnitude 14.63 (0.001) 14.63 14.63
Pan g magnitude 14.32 (0.004)
Pan r magnitude 14.66 (0.002)
Pan i magnitude 14.95 (0.002)
Pan z magnitude 15.19 (0.006)
Pan y magnitude 15.37 (0.004)
E(B-V) 0.013

* 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.