PHL 218

All names: WD 2215-204, Gaia DR3 6821157971633200768, EC 22158-2027, Gaia EDR3 6821157971633200768, Gaia DR2 6821157971633200768, TIC 206600616, NLTT 53468, 2MASS J22183601-2012403, PHL 218, WDJ221836.04-201240.31, LP 819-64

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Kawka et Vennes 2006 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 18 36.31 (0.04) 22 18 36.30 (0.08) 22 18 36.31 22 18 36.04 (0.04) 22 18 36.30 22 18 35.52
Declination -20 12 39.08 (0.03) -20 12 39.11 (0.07) -20 12 39.08 -20 12 40.31 (0.03) -20 12 39.11 -20 12 32.76
Spectral type DA DA DA DA3.3
Effective temperature [K] 15120.0 (500) 13649.0 (141)
log(g) [cgs] 7.75 (0.1) 7.64 (0.01)
Mass [M] 0.48 (0.05) 0.427 (0.006)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.71 (0.05) 11.64 (0.09) 11.71 11.71 (0.05) 11.64 (0.09)
Distance [pc] 85.43 (0.3) 85.89 (0.7) 76.00 85.43 85.43 (0.3) 85.89 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 240.4928716 (0.04) 240.6001825 (0.1) 240.493 (0.04) 240.6001825
Proper motion (declination) [mas/yr] 76.99327176 (0.04) 77.09566575 (0.1) 76.993 (0.04) 77.09566575
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.90
V magnitude 16.00
R magnitude
I magnitude
J magnitude 15.83 (0.08)
H magnitude 15.91 (0.2)
K magnitude 15.74 (0.3)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.67 (0.002) 15.69 15.67 15.67 (0.003) 15.69
BP magnitude 15.66 (0.002) 15.65 15.65
RP magnitude 15.71 (0.003) 15.72 15.72
Pan g magnitude 15.59 (0.007)
Pan r magnitude 15.81 (0.001)
Pan i magnitude 16.03 (0.001)
Pan z magnitude 16.22 (0.003)
Pan y magnitude 16.34 (0.006)
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.