WD 1204+098

All names: WIRED J120604.18+093022.3, [RGS2010] J120604.18+093022.3, [SLH2007] J120604.19+093022.2, [SHW2006] J120604.19+093022.2, WD 1204+098, PSO J120604.181+093022.220, SDSS J120604.18+093022.3, USNO-B1.0 0995-00217553, WD 1203+097, SDSS J120604.18+093022.2

Parameter Unit Pan-STARRS DR1 sdss-wdms.org (29/04/2016) Tremblay et al. 2011 SDSS DR12 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 12 06 04.18 12 06 04.18 12 06 04.19 12 06 04.19 12 06 03.53 12 06 04.18
Declination 09 30 22.28 09 30 22.22 09 30 22.24 09 30 22.26 09 30 18.00 09 30 22.35
Spectral type DA+M DA DA+dMe DA+M: C? DA+M
Effective temperature [K] 28718.0 (773) 29360.0 (650) 22390.0 (627) 22940.0 (616)
log(g) [cgs] 7.40 (0.2) 7.40 (0.1) 6.74 (0.1) 6.71 (0.1)
Mass [M] 0.39 (0.05) 0.42 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.0115
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]
Distance [pc] 157.00 (4)
Composition H
Proper motion (right ascension) [mas/yr] -24.0 -22.2
Proper motion (declination) [mas/yr] -2.0 0.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.93
H magnitude 17.51
K magnitude 17.10
u magnitude 18.30 18.32 (0.01) 18.30 18.30 (0.02) 18.30 18.34 (0.02)
g magnitude 18.48 18.47 (0.007) 18.46 18.48 (0.02) 18.48 18.47 (0.02)
r magnitude 18.87 18.90 (0.01) 18.87 18.87 (0.02) 18.87 18.87 (0.02)
i magnitude 18.98 19.05 (0.01) 18.96 18.98 (0.02) 18.98 18.99 (0.02)
z magnitude 18.86 18.95 (0.04) 18.86 18.86 (0.05) 18.86 18.84 (0.05)
G magnitude
BP magnitude
RP magnitude
Pan g magnitude 18.57 (0.01)
Pan r magnitude 18.89 (0.01)
Pan i magnitude 19.09 (0.01)
Pan z magnitude 19.01 (0.02)
Pan y magnitude 18.90 (0.03)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.