HE 1211-1707

All names: HE 1211-1707, WD 1211-169, WDJ121408.27-172440.91, EC 12115-1708, USNO-B1.0 0725-00338754, Gaia DR3 3520974164461518592, J1214-1724, WD 1211-171, Gaia DR2 3520974164461518592, Gaia EDR3 3520974164461518592

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Jewett et al. 2024 MWDD HE Gaia DR2 Stilism Ferrario et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 14 08.24 (0.07) 12 14 08.24 (0.2) 12 14 08.24 12 14 08.27 (0.07) 12 14 08.24 12 14 07.92
Declination -17 24 42.79 (0.07) -17 24 42.73 (0.2) -17 24 42.79 -17 24 40.91 (0.07) -17 24 42.73 -17 24 34.92
Spectral type DBH DB DB DB: DXH2.2 DXH2.2
Effective temperature [K] 26677.0 (1877) 26707.0 12000.0 32318.0 (1264)
log(g) [cgs] 8.95 8.93 9.03 (0.02)
Mass [M] 1.169 (0.01) 1.159 1.206 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.2100 (0.05) 0.1884
log(H/He) -5.0
log(C/He)
log(Ca/He)
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] 11.02 (0.09) 10.80 (0.2) 11.02 11.02 (0.09) 10.80 (0.2)
Distance [pc] 90.75 (0.7) 92.61 (1) 90.75 90.75 (0.7) 92.61 (1)
Composition He He
Proper motion (right ascension) [mas/yr] -28.23800023 (0.09) -28.02696644 (0.3) -28.238 (0.09) -28.02696644
Proper motion (declination) [mas/yr] -117.1931733 (0.1) -117.0632425 (0.4) -117.193 (0.1) -117.0632425
Variability
Magnetic yes yes
Bd [MG] 50
Infrared excess (disk)
Binarity
B magnitude 16.80
V magnitude 16.77
R magnitude 17.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.70 (0.006) 16.74 16.70 16.70 (0.003) 16.74
BP magnitude 16.59 (0.006) 16.52 16.52
RP magnitude 16.94 (0.008) 16.94 16.94
Pan g magnitude 16.58 (0.006)
Pan r magnitude 16.92 (0.003)
Pan i magnitude 17.24 (0.007)
Pan z magnitude 17.57 (0.008)
Pan y magnitude 17.69 (0.01)
E(B-V) 0.003

* 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.