EGGR 583

All names: TIC 16783095, G188-27, Gaia DR3 1800298527816525824, 21499+2816, UCAC2 41806841, GALEX J214954.7+281659, WD 2147+28, USNO-B1.0 1182-00633533, NLTT 52220, 1SWASP J214954.57+281659.8, Gaia EDR3 1800298527816525824, WDJ214954.57+281659.59, PM J21499+2816, USNO 769, 2MASS J21495452+2816598, PLX 5273.02, LSPM J2149+2816, EGGR 583, Gaia DR2 1800298527816525824, uvby98 980188027, G 188-27, WD 2147+280

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Bergeron et al. 2011 Zuckerman et al. 2010 Weidemann and Koester 1995 Wegner et al. 1987 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 21 49 54.87 (0.02) 21 49 54.86 (0.03) 21 49 54.86 (0.03) 21 49 54.87 21 49 54.57 (0.02) 21 49 54.86 21 49 53.40
Declination 28 16 58.38 (0.03) 28 16 58.42 (0.06) 28 16 58.42 (0.06) 28 16 58.38 28 16 59.59 (0.03) 28 16 58.42 28 17 02.40
Spectral type DB DB DB DB DB DB DBQ DB DB4.5 DB5
Effective temperature [K] 11808.0 (163) 11712.3 (88) 11387.0 11920.0 (237) 12940.0 (400) 11000.0 11000.0 14000.0 11981.0 (73)
log(g) [cgs] 8.03 (0.03) 8.03 (0.02) 8.00 8.00 (0.1) 8.85 (0.2) 8.07 (0.007)
Mass [M] 0.603 (0.02) 0.586 0.59 (0.09) 1.12 (0.1) 0.628 (0.006)
log(Luminosity) [L] -2.54 -2.96
Cooling age [Gyr] 0.4440 1.3183
log(H/He) <-5.58 (0.7) <-5
log(C/He) -7
log(Ca/He) <-12.4
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] 28.78 (0.03) 28.78 (0.03) 28.73 (0.05) 28.73 (0.05) 28.30 (3) 28.78 28.78 (0.03) 28.73 (0.05) 27.30 (30)
Distance [pc] 34.75 (0.03) 34.75 (0.04) 34.80 (0.06) 34.80 (0.06) 35.30 (4) 20.00 34.75 34.75 (0.03) 34.80 (0.06) 36.63 (40)
Composition He He He He He
Proper motion (right ascension) [mas/yr] 248.3419419 (0.03) 248.3370984 (0.09) 248.342 (0.03) 248.3370984
Proper motion (declination) [mas/yr] -75.82748114 (0.04) -75.81542935 (0.1) -75.827 (0.04) -75.81542935
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.10
V magnitude 14.68
R magnitude 14.50
I magnitude
J magnitude 14.71 (0.04)
H magnitude 14.84 (0.07)
K magnitude 14.88 (0.1)
u magnitude 14.52 (0.004)
g magnitude 14.51 (0.003)
r magnitude 14.72 (0.004)
i magnitude 14.91 (0.005)
z magnitude 15.13 (0.005)
G magnitude 14.61 (0.001) 14.62 14.62 14.61 14.61 (0.003) 14.62
BP magnitude 14.59 (0.001) 14.57 14.57
RP magnitude 14.60 (0.002) 14.61 14.61
Pan g magnitude 14.60 (0.002)
Pan r magnitude 14.75 (0.002)
Pan i magnitude 14.94 (0.005)
Pan z magnitude 15.12 (0.003)
Pan y magnitude 15.24 (0.003)
E(B-V) 0.002

* 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.