LAMOST J223053.53+071752.2

All names: SDSS J223053.54+071752.2, Gaia DR3 2709861859670353792, SDSS J223053.53+071752.3, SDSS J223053.53+071752.2, SDSS J223053.54+071752.3, Gaia EDR3 2709861859670353792, LAMOST J223053.53+071752.2, SDSS J223053.55+071752.2, GALEX J223053.5+071752, Gaia DR2 2709861859670353792

Parameter Unit Gaia EDR3 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 22 30 53.57 (0.08) 22 30 53.57 22 30 53.52 (0.08)
Declination 07 17 52.20 (0.07) 07 17 52.20 07 17 52.43 (0.07)
Spectral type DA DA DA DA
Effective temperature [K] 18580.0 (617)
log(g) [cgs] 8.08 (0.03)
Mass [M☉] 0.668 (0.03)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.28 (0.09) 6.28 6.28 (0.09)
Distance [pc] 159.24 (2) 159.24 159.24 (2)
Composition
Proper motion (right ascension) [mas/yr] 41.591 (0.1) 41.591 (0.1)
Proper motion (declination) [mas/yr] -14.281 (0.1) -14.281 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.49 (0.03)
H magnitude 17.55 (0.05)
K magnitude 17.51 (0.09)
u magnitude 17.03 (0.008)
g magnitude 16.91 (0.005)
r magnitude 17.27 (0.006)
i magnitude 17.53 (0.007)
z magnitude 17.76 (0.02)
G magnitude 17.09 (0.003) 17.09 17.09 (0.003)
BP magnitude 17.03 (0.007)
RP magnitude 17.23 (0.01)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.027

* 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.