SDSS J133015.65+354742.2

All names: 2MASS J13301566+3547427, Gaia EDR3 1474929672534527360, Gaia DR2 1474929672534527360, WDJ133015.65+354742.38, SDSS J133015.65+354742.2, SDSS J133015.67+354742.14, SDSS J133015.66+354742.3, GALEX J133015.7+354743, TIC 71613299, USNO-A2.0 1200-07100893, Gaia DR3 1474929672534527360, SDSS J133015.67+354742.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Kilic et al. 2025 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 13 30 15.68 (0.03) 13 30 15.66 13 30 15.68 (0.06) 13 30 15.68 13 30 15.65 (0.03) 13 30 15.68
Declination 35 47 42.02 (0.04) 35 47 42.29 35 47 42.03 (0.05) 35 47 42.02 35 47 42.38 (0.04) 35 47 42.03
Spectral type DBA DBA DBA DB DBA DB
Effective temperature [K] 11455.0 (68) 11935.0 11583.0 11427.0 11447.0 (33) 11596.0 (91)
log(g) [cgs] 8.02 (0.009) 8.07 8.04 8.03 8.00 (0) 8.05 (0.01)
Mass [M] 0.595 (0.008) 0.627 0.608 0.604 0.612 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.4596
log(H/He) -5.5 -5.586
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 11.58 (0.06) 11.60 (0.09) 11.58 11.58 (0.06) 11.60 (0.09)
Distance [pc] 86.37 (0.4) 86.24 (0.6) 86.37 86.37 (0.4) 86.24 (0.6)
Composition He
Proper motion (right ascension) [mas/yr] 28.45222391 (0.03) 28.63365629 (0.1) 28.452 (0.03) 28.63365629
Proper motion (declination) [mas/yr] -22.27234809 (0.04) -22.16230402 (0.09) -22.272 (0.04) -22.16230402
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.40 (0.3)
V magnitude
R magnitude 16.50 (0.3)
I magnitude
J magnitude 16.69 (0.1)
H magnitude
K magnitude
u magnitude 16.60 (0.006) 16.60 (0.02) 16.60 (0.006) 16.60 (0.006)
g magnitude 16.54 (0.004) 16.56 (0.04) 16.54 (0.004) 16.54 (0.004)
r magnitude 16.72 (0.004) 16.71 (0.02) 16.72 (0.004) 16.72 (0.004)
i magnitude 16.91 (0.005) 16.93 (0.02) 16.91 (0.005) 16.91 (0.005)
z magnitude 17.11 (0.01) 17.11 (0.02) 17.11 (0.01) 17.11 (0.01)
G magnitude 16.62 (0.003) 16.66 16.62 16.62 (0.003) 16.66
BP magnitude 16.63 (0.003) 16.59 16.59
RP magnitude 16.61 (0.003) 16.61 16.61
Pan g magnitude 16.60 (0.002)
Pan r magnitude 16.77 (0.0002)
Pan i magnitude 16.93 (0.006)
Pan z magnitude 17.12 (0.004)
Pan y magnitude 17.26 (0.006)
E(B-V) 0.005

* Constant surface field

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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.