SDSS J222720.65+240601.3

All names: SDSS J222720.65+240601.31, Gaia DR3 1878708030591518592, Gaia EDR3 1878708030591518592, SDSS J222720.65+240601.3, SDSS J222720.64+240601.3, Gaia DR2 1878708030591518592

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 22 27 20.65 (0.6) 22 27 20.65 22 27 20.65 (0.8) 22 27 20.65 (0.6)
Declination 24 06 01.33 (0.9) 24 06 01.31 24 06 01.33 (1) 24 06 01.54 (0.9)
Spectral type DA DA DA DA
Effective temperature [K] 7221.0 9961.0 (126)
log(g) [cgs] 7.40 8.95 (0.1)
Mass [M] 0.308 0.986 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.7452
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] 3.22 (1) 2.74 (2) 3.22 (1)
Distance [pc] 310.79 (97) 365.31 (201) 310.79 (97)
Composition H
Proper motion (right ascension) [mas/yr] 7.015080316 (1) 7.235773292 (3) 7.015 (1)
Proper motion (declination) [mas/yr] -13.41423977 (1) -13.6224399 (3) -13.414 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.07 (0.1) 21.13 (0.1) 21.13 (0.1)
g magnitude 20.52 (0.03) 20.56 (0.03) 20.56 (0.03)
r magnitude 20.46 (0.05) 20.51 (0.05) 20.51 (0.05)
i magnitude 20.53 (0.08) 20.58 (0.07) 20.58 (0.07)
z magnitude 20.20 (0.2) 20.23 (0.2) 20.23 (0.2)
G magnitude 20.45 (0.1) 20.49 20.45 (0.007)
BP magnitude 20.48 (0.1) 20.64
RP magnitude 19.94 (0.1) 20.21
Pan g magnitude 20.51 (0.04)
Pan r magnitude 20.49 (0.02)
Pan i magnitude 20.48 (0.03)
Pan z magnitude 20.60 (0.02)
Pan y magnitude
E(B-V) 0.041

* 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.