CBS 127

All names: SDSS J101838.77+372658.0, J1018+3726, SDSS J101838.75+372657.59, CBS 127, WD 1015+377, Gaia DR2 754220107131130624, SDSS J101838.75+372657.5, Gaia DR3 754220107131130624, SDSS J101838.77+372658.1, Gaia EDR3 754220107131130624, GALEX J101838.7+372658, LP 262-83, USNO-B1.0 1274-00222270

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Coutu et al. 2019 Gaia DR2 Stilism Kepler et al. 2015 Sion et al. 1990 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 10 18 38.71 (0.09) 10 18 38.78 10 18 38.78 10 18 38.71 (0.1) 10 18 38.71 10 18 38.78 (0.09) 10 18 38.04
Declination 37 26 57.14 (0.07) 37 26 58.12 37 26 58.42 37 26 57.18 (0.1) 37 26 57.14 37 26 58.42 (0.07) 37 26 57.12
Spectral type DZA DAZ DZ DZ DAZ DZ DZ
Effective temperature [K] 10543.0 (361) 12121.0 (128) 10500.0 (200) 10854.0 (249)
log(g) [cgs] 7.98 9.89 (0.1) 8.00 (0) 7.92 (0.03)
Mass [M] 0.5682 0.537 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.5260
log(H/He) -3.62 (2) <-5
log(C/He)
log(Ca/He) -7.9341 (0.2) -8.2
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] 7.28 (0.1) 7.26 7.26 (0.2) 7.28 7.28 (0.1)
Distance [pc] 137.37 (2) 137.73 (3) 137.73 (3) 137.37 137.37 (2)
Composition He
Proper motion (right ascension) [mas/yr] -54.04676745 (0.1) -53.74430209 (0.2) -54.047 (0.1)
Proper motion (declination) [mas/yr] -79.77446568 (0.08) -79.83769286 (0.2) -79.774 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.75 (0.01) 17.78 (0.01) 17.75 (0.01)
g magnitude 17.67 (0.005) 17.70 (0.02) 17.67 (0.005)
r magnitude 17.89 (0.006) 17.89 (0.01) 17.89 (0.006)
i magnitude 18.07 (0.008) 18.08 (0.01) 18.07 (0.008)
z magnitude 18.30 (0.02) 18.30 (0.02) 18.30 (0.02)
G magnitude 17.76 (0.01) 17.79 17.76 17.76 (0.003)
BP magnitude 17.78 (0.01) 17.75
RP magnitude 17.80 (0.01) 17.78
Pan g magnitude 17.71 (0.006)
Pan r magnitude 17.88 (0.004)
Pan i magnitude 18.07 (0.003)
Pan z magnitude 18.27 (0.009)
Pan y magnitude 18.38 (0.02)
E(B-V) 0.008

* 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.