2MASS J15110990+4048014

All names: USNO-B1.0 1308-00255272, Gaia DR2 1392065975139109504, SDSS J151109.85+404801.1, LAMOST J151109.85+404801.0, SDSS J151109.84+404801.0, 2MASS J15110990+4048014, WDJ151109.90+404801.18, TIC 20240056, WD 1509+409, GALEX J151109.8+404801, LSPM J1511+4048, WIRED J151109.84+404801.0, Gaia EDR3 1392065975139109504, J1511+4048, PM J15111+4048, SDSS J151109.85+404801.0, Gaia DR3 1392065975139109504, 15111+4048

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Limoges et al. 2015 Tremblay et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 11 09.67 (0.02) 15 11 09.85 15 11 09.68 (0.02) 15 11 09.67 15 11 09.90 (0.02) 15 11 09.68 15 11 09.85 15 11 10.08 15 11 09.85
Declination 40 48 00.23 (0.02) 40 48 01.04 40 48 00.26 (0.03) 40 48 00.23 40 48 01.19 (0.02) 40 48 00.26 40 48 01.06 40 47 56.04 40 48 01.06
Spectral type DA DA DA DA DA DA DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 8327.0 (20) 8300.0 (17) 8327.0 (20) 8146.0 8650.0 (126) 8510.0 (20) 8371.0 (37) 8691.0 (16) 8397.0 (20)
log(g) [cgs] 7.36 (0.005) 7.34 (0.005) 7.36 (0.005) 7.31 8.19 (0.06) 8.12 (0.04) 7.38 (0.008) 8.43 (0.03) 8.06 (0.03)
Mass [M] 0.299 (0.003) 0.294 (0.002) 0.298 (0.003) 0.283 0.71 (0.04) 0.67 (0.02) 0.305 (0.004) 0.63 (0.02)
log(Luminosity) [L] -3.19
Cooling age [Gyr] 0.4800 0.5214 1.0965
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] 18.19 (0.03) 18.17 (0.04) 18.17 (0.04) 18.19 18.19 (0.03) 18.17 (0.04)
Distance [pc] 54.97 (0.08) 55.04 (0.1) 55.02 (0.1) 34.70 (1) 54.97 54.97 (0.08) 55.02 (0.1)
Composition H H H H H
Proper motion (right ascension) [mas/yr] -157.6581072 (0.03) -157.6696858 (0.05) -157.658 (0.03) -157.67 -154.6
Proper motion (declination) [mas/yr] -59.86115685 (0.03) -59.75150944 (0.07) -59.861 (0.03) -59.752 -62.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude 15.60
I magnitude
J magnitude 15.26 (0.006) 15.23 (0.05)
H magnitude 15.13 (0.09) 15.13 (0.09)
K magnitude 14.85 (0.1) 14.85 (0.1)
u magnitude 16.16 (0.005) 16.16 (0.005) 16.16 (0.005) 16.16 (0.005) 16.21 (0.04) 15.74 16.26 (0.04)
g magnitude 15.72 (0.003) 15.72 (0.003) 15.72 (0.003) 15.74 (0.03) 15.74 15.76 (0.03)
r magnitude 15.72 (0.004) 15.72 (0.004) 15.72 (0.004) 15.71 (0.01) 15.71 (0.02)
i magnitude 15.76 (0.004) 15.76 (0.004) 15.76 (0.004) 15.75 (0.02) 15.76 (0.02)
z magnitude 15.86 (0.006) 15.86 (0.006) 15.86 (0.006) 15.82 (0.02) 15.84 (0.02)
G magnitude 15.66 (0.002) 15.67 15.66 15.66 (0.003) 15.67
BP magnitude 15.78 (0.002) 15.77 15.77
RP magnitude 15.44 (0.002) 15.45 15.45
Pan g magnitude 15.75 (0.001) 15.75 (0.001)
Pan r magnitude 15.71 (0.003) 15.71 (0.003)
Pan i magnitude 15.77 (0.003) 15.77 (0.003)
Pan z magnitude 15.86 (0.005) 15.86 (0.004)
Pan y magnitude 15.93 (0.003) 15.93 (0.003)
E(B-V) 0.007

* 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.