LAWD 27

All names: Gaia DR2 5274517467840296832, L 97-3, GALEX J080654.1-661817, GJ 3483, TIC 306826966, LAWD 27, L97-3, NAME Maru, 2MASS J08065373-6618167, GSC 08936-01284, LTT 3059, WD 0806-661, WISEA J080654.33-661819.7, WDS J08069-6618A, NLTT 19008, BPM 4834, WDJ080653.75-661816.70, GEN# +6.00204834, uvby98 986097003, CNS5 2003, WG 12, WD 0806-66, ** LUH 5A, Gaia DR3 5274517467840296832, Gaia EDR3 5274517467840296832

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Subasavage et al. 2009 Holberg et al. 2008 Subasavage et al. 2007 Bergeron et al. 1997 Weidemann and Koester 1995 Koester et al. 1982a Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 06 54.64 (0.01) 08 06 54.62 (0.02) 08 06 53.52 08 06 53.76 08 06 53.76 08 06 54.64 08 06 53.75 (0.01) 08 06 54.62 08 06 48.60
Declination -66 18 21.33 (0.01) -66 18 21.18 (0.02) -66 18 14.40 -66 18 16.60 -66 18 16.60 -66 18 21.33 -66 18 16.70 (0.01) -66 18 21.18 -66 17 45.96
Spectral type DQ DQ DQ4.9 DQ DQ DQ DQ DQ DC DC DQ DQ5
Effective temperature [K] 10393.0 (114) 9996.0 (390) 10205.0 10205.0 (390) 10250.0 (70) 10753.0 (406) 11940.0 (550) 10000.0 10000.0 (200) 10029.0 (41)
log(g) [cgs] 8.04 (0.02) 7.76 (0.05) 8.00 (0.05) 8.06 (0.05) 8.00 (0) 7.97 (0.006)
Mass [M] 0.605 (0.01) 0.88 (0.03) 0.58 (0.03) 0.62 (0.03) 0.58 0.562 (0.005)
log(Luminosity) [L] -2.80 -2.83 (0.03) -2.54
Cooling age [Gyr] 0.6200 0.6200 0.6700 (0.04) 0.5200
log(H/He)
log(C/He) -5.45 -5.55 (0.1) -6 -6
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] 52.00 (0.01) 52.00 (0.01) 51.93 (0.02) 52.17 (2) 52.17 (2) 52.17 (2) 52.00 52.00 (0.01) 51.93 (0.02) 52.10
Distance [pc] 19.23 (0.005) 19.23 (0.004) 19.26 (0.007) 19.17 (0.6) 19.16 19.20 (0.6) 19.17 (0.6) 19.08 21.10 19.23 19.23 (0.005) 19.26 (0.007) 19.19
Composition He He He He He He He
Proper motion (right ascension) [mas/yr] 335.5187715 (0.02) 335.5474361 (0.04) 335.519 (0.02) 335.5474361
Proper motion (declination) [mas/yr] -288.9937735 (0.02) -288.8881411 (0.04) -288.994 (0.02) -288.8881411
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.74 13.74 13.76
V magnitude 13.73 13.71 13.71 13.70
R magnitude 13.64 13.64 13.66
I magnitude 13.60 13.60 13.61
J magnitude 13.70 13.70 (0.02) 13.70 (0.02) 13.79 13.70 (0.02)
H magnitude 13.74 13.74 (0.03) 13.74 (0.03) 13.85 13.74 (0.03)
K magnitude 13.78 13.78 (0.04) 13.78 (0.04) 13.92 13.78 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.66 (0.0009) 13.68 13.66 13.66 (0.003) 13.68
BP magnitude 13.68 (0.0009) 13.66 13.66
RP magnitude 13.62 (0.0006) 13.62 13.62
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.000

* 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.