NAME CASE 2

All names: PM J16083+4205, SDSS J160822.15+420543.7, 16083+4205, Gaia DR2 1384866854036828032, SDSS J160822.16+420543.8, 2MASS J16082220+4205432, GCRV 66009, Case 2, WDJ160822.19+420543.44, Gaia DR3 1384866854036828032, WD 1606+422, EGGR 116, NAME Case 2, J1608+4205, UBV 13703, CSI+42-16067, uvby98 620020116, Gaia EDR3 1384866854036828032, WD 1606+42, GEN# +6.20020116, PLX 3662.01, TIC 219477980, USNO-B1.0 1320-00314263, LSPM J1608+4205

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Limoges et al. 2015 Gianninas et al. 2011 Zuckerman et al. 2003 Bergeron et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 08 22.00 (0.01) 16 08 22.01 (0.02) 16 08 22.00 16 08 22.19 (0.01) 16 08 22.01 16 08 22.42
Declination 42 05 45.26 (0.01) 42 05 45.20 (0.03) 42 05 45.26 42 05 43.44 (0.01) 42 05 45.20 42 05 37.68
Spectral type DA DA DA DA DA DA DA DA DA3.8 DA5
Effective temperature [K] 12611.0 (82) 12613.0 (82) 11530.0 13064.0 (216) 13070.0 (214) 13110.0 (212) 12097.0 11320.0 (570) 13036.0 (68)
log(g) [cgs] 7.29 (0.005) 7.29 (0.006) 7.19 7.84 (0.05) 7.87 (0.05) 7.87 (0.05) 7.04 7.12 (0.2) 7.33 (0.005)
Mass [M☉] 0.299 (0.002) 0.298 (0.002) 0.268 0.53 (0.03) 0.53 (0.03) 0.25 (0.05) 0.313 (0.002)
log(Luminosity) [L☉] -2.28 -2.11 (0.1)
Cooling age [Gyr] 0.1868 0.1800 (0.04)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) <-9.688
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] 23.09 (0.02) 23.07 (0.03) 22.20 (4) 22.20 (4) 23.09 23.09 (0.02) 23.07 (0.03) 23.00
Distance [pc] 43.30 (0.03) 43.35 (0.05) 45.00 (7) 45.00 (7) 32.00 45.05 (7) 43.30 43.30 (0.03) 43.35 (0.05) 43.48
Composition H H H H H
Proper motion (right ascension) [mas/yr] -128.1831949 (0.02) -128.0822936 (0.05) -128.183 (0.02) -128.0822936
Proper motion (declination) [mas/yr] 114.1044575 (0.02) 114.0119061 (0.06) 114.104 (0.02) 114.0119061
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity DDu DDU
B magnitude 13.93 13.91
V magnitude 13.82
R magnitude 13.85 13.70
I magnitude 13.88
J magnitude 13.93 13.92 13.98 (0.03)
H magnitude 13.88 13.92 14.03 (0.04)
K magnitude 14.02 14.01 14.05 (0.07)
u magnitude 14.19 (0.004) 14.20 (0.003) 14.15
g magnitude 13.76 (0.003) 13.78 (0.003) 13.78
r magnitude 13.97 (0.004) 13.95 (0.003) 14.00
i magnitude 14.17 (0.004) 14.16 (0.003) 14.19
z magnitude 14.43 (0.004) 14.39 (0.004) 14.48
G magnitude 13.85 (0.001) 13.87 13.85 13.85 (0.003) 13.87
BP magnitude 13.85 (0.001) 13.85 13.85
RP magnitude 13.88 (0.0009) 13.89 13.89
Pan g magnitude 13.77 (0.004)
Pan r magnitude 13.97 (0.002)
Pan i magnitude 14.20 (0.001)
Pan z magnitude 14.41 (0.003)
Pan y magnitude 14.54 (0.003)
E(B-V) 0.006

* 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.