LP 214-7

All names: Gaia DR2 775531009004593664, LP 214-7, LSPM J1056+3853, NLTT 25750, Gaia EDR3 775531009004593664, J1056+3852, SDSS J105607.13+385257.6, Gaia DR3 775531009004593664, SDSS J105607.14+385257.62, SDSS J105607.14+385257.6, WDJ105607.16+385258.55, USNO-B1.0 1288-00208883

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 10 56 07.06 (0.1) 10 56 07.14 10 56 07.06 (0.1) 10 56 07.06 10 56 07.16 (0.1) 10 56 07.06
Declination 38 52 55.06 (0.1) 38 52 57.62 38 52 55.17 (0.2) 38 52 55.06 38 52 58.55 (0.1) 38 52 55.17
Spectral type DAH: DA DA DA DA DA DA DC:
Effective temperature [K] 5820.0 (30) 5805.0 (28) 5817.0 (30) 5736.0 5624.0 (1000) 5784.0 (77)
log(g) [cgs] 8.23 (0.01) 8.20 (0.02) 8.21 (0.02) 8.17 8.04 (0) 8.21 (0.03)
Mass [M] 0.73 (0.01) 0.716 (0.01) 0.716 (0.01) 0.693 0.61 (0.005) 0.718 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 4.2800 3.9870
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] 17.81 (0.2) 17.58 (0.2) 17.58 (0.2) 17.81 17.81 (0.2) 17.58 (0.2)
Distance [pc] 56.13 (0.5) 56.88 (0.7) 56.90 (0.7) 56.13 56.13 (0.5) 56.90 (0.7)
Composition H H H
Proper motion (right ascension) [mas/yr] -76.0069638 (0.2) -76.13704839 (0.3) -76.007 (0.2) -76.13704839
Proper motion (declination) [mas/yr] -218.5762217 (0.2) -218.191573 (0.4) -218.576 (0.2) -218.191573
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.30
V magnitude
R magnitude 18.30
I magnitude
J magnitude 17.25 (0.04)
H magnitude
K magnitude
u magnitude 19.65 (0.03) 19.66 (0.03) 19.65 (0.03) 19.65 (0.03) 19.65 (0.03)
g magnitude 18.68 (0.008) 18.68 (0.01) 18.68 (0.008) 18.68 (0.008)
r magnitude 18.22 (0.007) 18.22 (0.01) 18.22 (0.007) 18.22 (0.007)
i magnitude 18.04 (0.008) 18.04 (0.01) 18.04 (0.008) 18.04 (0.008)
z magnitude 18.01 (0.02) 18.01 (0.02) 18.02 (0.02) 18.02 (0.02)
G magnitude 18.24 (0.02) 18.26 18.24 18.24 (0.003) 18.26
BP magnitude 18.56 (0.02) 18.59 18.59
RP magnitude 17.71 (0.01) 17.72 17.72
Pan g magnitude 18.61 (0.01) 18.61 (0.009)
Pan r magnitude 18.20 (0.005) 18.20 (0.007)
Pan i magnitude 18.07 (0.006) 18.07 (0.005)
Pan z magnitude 18.04 (0.007) 18.04 (0.007)
Pan y magnitude 18.03 (0.008) 18.03 (0.009)
E(B-V) 0.002

* 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.