WD 1216+036

All names: SDSS J121841.15+032022.1, WD 1216+036, Gaia EDR3 3701701509194344576, Gaia DR2 3701701509194344576, GALEX J121841.1+032022, USNO-B1.0 0933-00237300, SDSS J121841.15+032022.0, WDJ121841.15+032022.14, 2MASS J12184112+0320225, TIC 262932972, PG 1216+036, J1218+0320, Gaia DR3 3701701509194344576

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 18 41.16 (0.05) 12 18 41.16 (0.08) 12 18 41.16 12 18 41.15 (0.05) 12 18 41.16 12 18 41.45
Declination 03 20 20.86 (0.04) 03 20 20.90 (0.05) 03 20 20.86 03 20 22.14 (0.04) 03 20 20.90 03 20 14.64
Spectral type DA DA DA DA DA DA3.5 DA4
Effective temperature [K] 13932.0 (156) 13925.0 (156) 13556.0 14420.0 (345) 14404.0 (3) 13800.0 (322) 14678.0 (205)
log(g) [cgs] 7.98 (0.01) 7.99 (0.01) 7.96 7.98 (0.06) 7.77 (0.009) 7.85 (0.06) 8.04 (0.01)
Mass [M] 0.599 (0.008) 0.604 (0.009) 0.588 0.6 (0.03) 0.53 (0.03) 0.633 (0.01)
log(Luminosity) [L] -2.18
Cooling age [Gyr] 0.2528 0.2455
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/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(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 12.04 (0.06) 12.12 (0.09) 12.04 12.04 (0.06) 12.12 (0.09)
Distance [pc] 83.07 (0.4) 82.51 (0.6) 86.00 91.00 83.07 83.07 (0.4) 82.51 (0.6)
Composition H H H
Proper motion (right ascension) [mas/yr] 6.249947595 (0.07) 5.833744772 (0.2) 6.25 (0.07) 5.833744772
Proper motion (declination) [mas/yr] -80.18226337 (0.05) -80.19724691 (0.1) -80.182 (0.06) -80.19724691
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.06
V magnitude 15.94 15.99
R magnitude 16.30
I magnitude
J magnitude 16.28 (0.1)
H magnitude 16.20 (0.2)
K magnitude
u magnitude 16.26 (0.006) 16.26 (0.006)
g magnitude 15.89 (0.004) 15.89 (0.004)
r magnitude 16.16 (0.004) 16.16 (0.004)
i magnitude 16.38 (0.005) 16.38 (0.005)
z magnitude 16.63 (0.01) 16.63 (0.01)
G magnitude 16.02 (0.005) 16.03 16.02 16.02 (0.003) 16.03
BP magnitude 15.99 (0.005) 15.96 15.96
RP magnitude 16.10 (0.005) 16.10 16.10
Pan g magnitude 15.92 (0.005)
Pan r magnitude 16.14 (0.005)
Pan i magnitude 16.40 (0.003)
Pan z magnitude 16.64 (0.004)
Pan y magnitude 16.80 (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.