LAMOST J070057.53+284310.06

All names: LAMOST J070057.53+284310.1, Gaia DR2 887401850366113792, SDSS J070057.51+284309.7, Gaia EDR3 887401850366113792, GALEX J070057.5+284310, Gaia DR3 887401850366113792, LAMOST J070057.52+284310.0, LAMOST J070057.53+284310.06

Parameter Unit Gaia EDR3 Stilism Guo et al. 2015 Zhao et al. 2013 Vincent et al. 2024 Simbad
Right ascension 07 00 57.50 (0.09) 07 00 57.53 07 00 57.50 07 00 57.53 (0.09)
Declination 28 43 09.00 (0.09) 28 43 10.06 28 43 09.00 28 43 10.33 (0.09)
Spectral type DA DA DA3
Effective temperature [K] 15527.0 (528) 16000.0 (735) 13723.0 (356)
log(g) [cgs] 8.39 (0.07) 8.15 (0.1) 7.97 (0.03)
Mass [M☉] 0.86 (0.04) 0.7 (0.08) 0.594 (0.02)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2070 (0.07)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 7.38 (0.1) 7.38 7.38 (0.1)
Distance [pc] 135.55 (2) 120.00 135.55 135.55 (2)
Composition
Proper motion (right ascension) [mas/yr] -24.954 (0.1) -24.954 (0.1)
Proper motion (declination) [mas/yr] -82.673 (0.1) -82.673 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.37 17.37 (0.009)
g magnitude 16.98 16.98 (0.004)
r magnitude 17.23 17.23 (0.005)
i magnitude 17.45 17.45 (0.006)
z magnitude 17.73 17.74 (0.02)
G magnitude 17.12 (0.003) 17.12 17.12 (0.003)
BP magnitude 17.11 (0.01)
RP magnitude 17.18 (0.02)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
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.