COSMOS 2823279

All names: COSMOS J095817.56+024036.8, Gaia EDR3 3836350692428593664, SDSS J095817.56+024036.7, COSMOS 2823279, WD 0955+029, Gaia DR3 3836350692428593664, [BMM2014] 1752625, zCOSMOS 848388, SDSS J095817.56+024036.8, Gaia DR2 3836350692428593664

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 09 58 17.59 (1) 09 58 17.56 09 58 17.59 (1) 09 58 17.56 09 58 17.42 09 58 17.56
Declination 02 40 36.13 (2) 02 40 36.71 02 40 36.13 (2) 02 40 36.71 02 40 32.88 02 40 36.79
Spectral type DA DA_auto DA DA
Effective temperature [K] 7631.0 (162) 7430.0 (165)
log(g) [cgs] 8.56 (0.3) 8.45 (0.5)
Mass [M] 0.871 (0.3)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 37.0 (6) 38.6
Proper motion (declination) [mas/yr] -55.0 (6) -54.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.49 (0.009)
V magnitude 20.39 (0.007)
R magnitude
I magnitude 20.26
J magnitude
H magnitude
K magnitude 21.56 (0.4)
u magnitude 20.78 (0.06) 20.77 (0.07) 20.75 (0.07) 20.74 20.73 (0.06)
g magnitude 20.35 (0.02) 20.35 (0.02) 20.35 (0.03) 20.34 20.34 (0.03)
r magnitude 20.15 (0.03) 20.15 (0.03) 20.14 (0.04) 20.14 20.13 (0.04)
i magnitude 20.25 (0.05) 20.23 (0.05) 20.23 (0.05) 20.23 20.22 (0.05)
z magnitude 20.19 (0.1) 20.19 (0.1) 20.20 (0.1) 20.20 20.20 (0.1)
G magnitude 20.11 (0.1) 20.11 (0.008)
BP magnitude 20.30 (0.1)
RP magnitude 19.93 (0.2)
Pan g magnitude 20.27 (0.009)
Pan r magnitude 20.15 (0.009)
Pan i magnitude 20.17 (0.02)
Pan z magnitude 20.17 (0.09)
Pan y magnitude 20.09 (0.07)
E(B-V)

* 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.