WD 0658+712

All names: LP 34-137, WDJ070409.02+711146.30, IDS 06525+7121 B, LSPM J0704+7111E, USNO-B1.0 1612-00073656, NLTT 17290, ** LDS 1643B, J0704+7111, EGGR 530, BD+71 380B, TIC 743509720, CCDM J07041+7112B, Gaia DR2 1109924900541714304, Gaia DR3 1109924900541714304, WD 0658+712, Gaia EDR3 1109924900541714304, WDS J07040+7112B

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2026b Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Tremblay et al. 2017 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 07 04 08.83 (0.1) 07 04 08.83 (0.1) 07 04 08.83 07 04 09.02 (0.1) 07 04 08.83 07 04 01.54
Declination 71 11 39.62 (0.2) 71 11 39.83 (0.2) 71 11 39.62 71 11 46.29 (0.2) 71 11 39.83 71 12 35.64
Spectral type DA DC DC DC DC DA DC DC
Effective temperature [K] 5317.0 (28) 4973.0 (30) 5288.0 4986.0 5334.0 (68)
log(g) [cgs] 7.87 (0.02) 7.53 (0.03) 7.77 7.54 7.88 (0.04)
Mass [M☉] 0.505 (0.02) 0.329 (0.02) 0.451 0.333 0.512 (0.03)
log(Luminosity) [L☉]
Cooling age [Gyr] 2.6300 2.3360 2.4540
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(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] 13.59 (0.2) 13.19 (0.2) 13.19 (0.2) 13.04 (0.5) 13.59 13.59 (0.2) 13.19 (0.2)
Distance [pc] 73.60 (1) 75.82 (1) 75.82 (1) 76.69 (3) 73.60 73.60 (1) 75.82 (1)
Composition H He
Proper motion (right ascension) [mas/yr] -57.63562295 (0.1) -57.88993587 (0.3) -57.636 (0.1) -57.88993587
Proper motion (declination) [mas/yr] -416.7237464 (0.2) -417.3865374 (0.4) -416.724 (0.2) -417.3865374
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 19.30
V magnitude 19.20 (0.1) 19.60
R magnitude 18.00
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.72 (0.04) 18.75 18.63 (0.004) 18.72 18.72 (0.003) 18.75
BP magnitude 19.19 (0.04) 19.13 19.13
RP magnitude 18.17 (0.02) 18.11 18.11
Pan g magnitude 19.15 (0.003) 19.15 (0.003)
Pan r magnitude 18.69 (0.01) 18.69 (0.01)
Pan i magnitude 18.48 (0.01) 18.48 (0.01)
Pan z magnitude 18.42 (0.02) 18.42 (0.01)
Pan y magnitude 18.27 (0.02) 18.27 (0.02)
E(B-V) 0.002

* 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.