SDSS J122713.08+443431.8

All names: Gaia EDR3 1541660953072913792, J1227+4434, SDSS J122713.08+443431.87, SDSS J122713.08+443431.8, Gaia DR3 1541660953072913792

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Stilism Kepler et al. 2016 Simbad
Right ascension 12 27 13.07 (6) 12 27 13.08 12 27 13.08 12 27 13.07 (6)
Declination 44 34 31.93 (12) 44 34 31.86 44 34 31.87 44 34 31.93 (12)
Spectral type DZ DZ DZ
Effective temperature [K] 6231.0 (218) 7101.0 (150)
log(g) [cgs] 8.00 8.00 (0)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr] 0.0000
log(H/He) <-3.1386
log(C/He)
log(Ca/He) -9.921 (0.3) -8.665
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]
Distance [pc] 277.42 (17)
Composition He He
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 22.53 (0.2) 22.43 (0.2) 22.43 (0.2)
g magnitude 21.21 (0.04) 21.23 (0.04) 21.23 (0.04)
r magnitude 21.03 (0.04) 21.05 (0.04) 21.05 (0.04)
i magnitude 21.02 (0.05) 21.06 (0.05) 21.06 (0.05)
z magnitude 21.40 (0.3) 21.42 (0.3) 21.42 (0.3)
G magnitude 21.05 21.05 (0.02)
BP magnitude
RP magnitude
Pan g magnitude 21.30 (0.05)
Pan r magnitude 21.08 (0.05)
Pan i magnitude 21.07 (0.04)
Pan z magnitude 21.09 (0.03)
Pan y magnitude
E(B-V) 0.016

* 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.