2QZ J103048.7+015108

All names: SDSS J103048.76+015109.94, SDSS J103048.75+015109.9, Gaia EDR3 3855563696051339904, Gaia DR3 3855563696051339904, GALEX J103048.7+015110, Gaia DR2 3855563696051339904, SDSS J103048.76+015109.9, 2QZ J103048.7+015108

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 10 30 48.75 (0.3) 10 30 48.76 10 30 48.75 (0.4) 10 30 48.75 (0.3)
Declination 01 51 09.94 (0.3) 01 51 09.94 01 51 09.94 (0.4) 01 51 09.93 (0.3)
Spectral type DAO DAO DAO DAO DA
Effective temperature [K] 71250.0 (7075) 29302.0 99213.0 (2734)
log(g) [cgs] 7.20 (0.2) 7.04 7.45 (0.2)
Mass [M] 0.46 (0.07) 0.321
log(Luminosity) [L] 1.27 (0.3)
Cooling age [Gyr] 0.0001 0.0096
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] 0.35 (0.3) 0.67 (0.5) 0.35 (0.3)
Distance [pc] 2896.99 (2718) 1497.56 (1173) 2896.87 (2718)
Composition H H
Proper motion (right ascension) [mas/yr] -6.349186537 (0.4) -5.886436083 (0.7) -6.349 (0.4)
Proper motion (declination) [mas/yr] 0.577872175 (0.4) -0.104585759 (0.7) 0.578 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.58 (0.02) 18.56 (0.02) 18.58 (0.02)
g magnitude 19.02 (0.01) 19.03 (0.02) 19.02 (0.01)
r magnitude 19.53 (0.02) 19.53 (0.02) 19.53 (0.02)
i magnitude 19.91 (0.03) 19.92 (0.04) 19.91 (0.03)
z magnitude 20.17 (0.2) 20.18 (0.2) 20.17 (0.2)
G magnitude 19.25 (0.04) 19.31 19.25 (0.005)
BP magnitude 19.21 (0.04) 19.12
RP magnitude 19.77 (0.1) 19.40
Pan g magnitude 19.05 (0.01)
Pan r magnitude 19.54 (0.007)
Pan i magnitude 19.87 (0.03)
Pan z magnitude 20.15 (0.03)
Pan y magnitude 20.16 (0.1)
E(B-V) 0.031

* 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.