LAMOST J041737.02+300740.2

All names: Gaia DR3 165712109004835712, LAMOST J041737.02+300740.2, 2MASS J04173701+3007400, TIC 408245078, LAMOSTJ041737.02+300740.2, Gaia DR2 165712109004835712

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 04 17 37.02 04 17 37.02 (0.07)
Declination 30 07 40.23 30 07 40.29 (0.04)
Spectral type sdB sdB
Effective temperature [K] 31570.0 (190)
log(g) [cgs] 5.60 (0.04)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.48 (0.1) 0.51 (0.08)
Distance [pc] 2069.54 (452) 1956.95 (296)
Composition
Proper motion (right ascension) [mas/yr] 0.641 (0.2) 0.383 (0.1)
Proper motion (declination) [mas/yr] -7.448 (0.2) -7.571 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.86 (0.2) 16.86 (0.2)
H magnitude 16.45
K magnitude 15.90
u magnitude 17.27 (0.008)
g magnitude 17.05 (0.004) 17.02
r magnitude 17.12 (0.005) 17.22
i magnitude 17.23 (0.006) 17.24
z magnitude 17.35 (0.01)
G magnitude 17.06 (0.001) 17.04 (0.003)
BP magnitude 17.08 (0.006)
RP magnitude 16.94 (0.008)
Pan g magnitude 17.08 (0.007)
Pan r magnitude 17.14 (0.002)
Pan i magnitude 17.26 (0.003)
Pan z magnitude 17.38 (0.005)
Pan y magnitude 17.46 (0.007)
E(B-V) 0.326

* 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.