GD 305

All names: SDSS J111107.46+560437.4, 2MASS J11110737+5604385, WD 1108+56, LP 129-10, SDSS J111107.47+560437.1, EGGR 351, J1111+5604, Gaia DR3 855892153511070080, Gaia EDR3 855892153511070080, NLTT 26526, WDJ111107.43+560437.64, TIC 302330932, GD 305, Gaia DR2 855892153511070080, SBSS 1108+563, USNO-B1.0 1460-00212928, SDSS J111107.47+560437.4, WIRED J111107.47+560437.4, LSPM J1111+5604, WD 1108+563

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Gianninas et al. 2011 Tremblay et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 11 07.66 (0.03) 11 11 07.46 11 11 07.65 (0.04) 11 11 07.66 11 11 07.43 (0.03) 11 11 07.65 11 11 07.47 11 11 07.51 11 11 07.47
Declination 56 04 35.02 (0.04) 56 04 37.40 56 04 35.10 (0.05) 56 04 35.02 56 04 37.65 (0.04) 56 04 35.10 56 04 37.42 56 04 42.24 56 04 37.42
Spectral type DA DA DA DA DA5.5 DA DA_auto DA6 DA DA
Effective temperature [K] 8984.0 (52) 8872.0 8735.0 9150.0 (135) 9170.0 (30) 8688.0 (54) 9088.0 (26) 8930.0 (27)
log(g) [cgs] 7.82 (0.01) 7.79 7.71 8.03 (0.07) 8.05 (0.05) 7.75 (0.01) 8.17 (0.05) 7.94 (0.05)
Mass [M] 0.495 (0.009) 0.481 0.422 0.62 (0.04) 0.63 (0.03) 0.46 (0.009) 0.566 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.6600 0.6330 0.6201 0.8128
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] 12.40 (0.05) 12.39 (0.07) 12.39 (0.07) 12.40 12.40 (0.05) 12.39 (0.07)
Distance [pc] 80.65 (0.3) 80.71 (0.5) 80.73 (0.5) 73.00 80.65 80.65 (0.3) 80.73 (0.5)
Composition H H H
Proper motion (right ascension) [mas/yr] 118.3563012 (0.04) 118.5872274 (0.08) 118.356 (0.04) 118.587 128.1
Proper motion (declination) [mas/yr] -163.9068485 (0.05) -163.7795762 (0.1) -163.907 (0.05) -163.78 -170.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.50
V magnitude
R magnitude 16.90
I magnitude
J magnitude 16.58 (0.02) 16.45 (0.1)
H magnitude 15.96 (0.2) 15.96 (0.2)
K magnitude
u magnitude 17.31 (0.009) 17.29 (0.009) 17.31 (0.009) 17.29 (0.009) 17.30 (0.01) 17.32 (0.02)
g magnitude 16.83 (0.004) 16.83 (0.004) 16.86 (0.004) 16.73 (0.04) 16.72 (0.04)
r magnitude 16.87 (0.005) 16.88 (0.005) 16.88 (0.004) 16.89 (0.02) 16.89 (0.02)
i magnitude 16.95 (0.005) 16.95 (0.005) 16.96 (0.005) 16.94 (0.02) 16.93 (0.02)
z magnitude 17.06 (0.01) 17.06 (0.01) 17.11 (0.01) 17.08 (0.03) 17.06 (0.03)
G magnitude 16.82 (0.003) 16.84 16.82 16.82 (0.003) 16.84
BP magnitude 16.91 (0.003) 16.90 16.90
RP magnitude 16.65 (0.004) 16.66 16.66
Pan g magnitude 16.87 (0.005) 16.87 (0.005)
Pan r magnitude 16.89 (0.004) 16.89 (0.004)
Pan i magnitude 16.97 (0.002) 16.97 (0.003)
Pan z magnitude 17.10 (0.006) 17.10 (0.005)
Pan y magnitude 17.19 (0.007) 17.19 (0.008)
E(B-V) 0.005

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.