SDSS J170530.82+271523.3

All names: Gaia EDR3 4574896775975773312, LAMOST J170530.82+271523.3, Gaia DR2 4574896775975773312, Gaia DR3 4574896775975773312, SDSS J170530.82+271523.3, SDSS J170530.81+271523.2, GALEX J170530.8+271523

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 17 05 30.83 (0.05) 17 05 30.81 17 05 30.83 (0.07) 17 05 30.83 17 05 30.81 (0.05) 17 05 30.82
Declination 27 15 23.23 (0.05) 27 15 23.30 27 15 23.23 (0.07) 27 15 23.23 27 15 23.26 (0.05) 27 15 23.34
Spectral type DA DA DA DA DA DA DA
Effective temperature [K] 37236.0 (313) 27182.0 40962.0 (3377) 37086.0 (164)
log(g) [cgs] 7.87 (0.04) 7.47 7.83 (0.06) 7.79 (0.03)
Mass [M] 0.6 (0.02) 0.409 0.588 (0.04) 0.565 (0.01)
log(Luminosity) [L] -0.42 (0.03)
Cooling age [Gyr] 0.0046 (0.0001) 0.0130
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] 2.32 (0.07) 2.45 (0.09) 2.32 2.32 (0.07)
Distance [pc] 431.60 (13) 408.17 (16) 431.60 431.59 (13)
Composition H H
Proper motion (right ascension) [mas/yr] 14.24679206 (0.07) 14.14000088 (0.2) 14.247 (0.07)
Proper motion (declination) [mas/yr] -1.660485443 (0.07) -1.868768502 (0.2) -1.66 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.82 (0.007) 16.82 (0.007) 16.85 (0.01)
g magnitude 17.12 (0.005) 17.12 (0.005) 17.16 (0.02)
r magnitude 17.64 (0.006) 17.64 (0.006) 17.64 (0.02)
i magnitude 17.98 (0.008) 17.98 (0.008) 17.98 (0.02)
z magnitude 18.31 (0.03) 18.31 (0.03) 18.30 (0.03)
G magnitude 17.39 (0.006) 17.42 17.39 17.39 (0.003)
BP magnitude 17.26 (0.006) 17.20
RP magnitude 17.70 (0.01) 17.68
Pan g magnitude 17.21 (0.005)
Pan r magnitude 17.64 (0.003)
Pan i magnitude 18.00 (0.004)
Pan z magnitude 18.29 (0.009)
Pan y magnitude 18.45 (0.02)
E(B-V) 0.028

* 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.