EGGR 195

All names: USNO-B1.0 0770-00389530, NLTT 42418, GALEX J161727.9-125746, Gaia DR2 4330093466990008448, LP 744-38, LTT 6494, WDJ161728.01-125745.14, TIC 52761670, WD 1614-128, L 842-32, Gaia DR3 4330093466990008448, Gaia EDR3 4330093466990008448, EGGR 195, G 153-40, GEN# +9.80153040, WD 1614-12, 2MASS J16172802-1257449

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 17 27.89 (0.04) 16 17 27.89 (0.06) 16 17 27.89 16 17 28.01 (0.04) 16 17 27.89 16 17 29.52
Declination -12 57 49.16 (0.02) -12 57 49.03 (0.03) -12 57 49.16 -12 57 45.14 (0.02) -12 57 49.03 -12 57 19.08
Spectral type DA DA DA DA3.0 DA4
Effective temperature [K] 15543.0 16570.0 (257) 16293.0 (25) 15638.0 (171)
log(g) [cgs] 7.84 7.97 (0.05) 7.75 (0.005) 7.84 (0.01)
Mass [M] 0.527 0.6 (0.03) 0.528 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.1349
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] 15.50 (0.04) 15.48 (0.07) 15.50 15.51 (0.04) 15.48 (0.07)
Distance [pc] 64.50 (0.2) 64.59 (0.3) 104.00 64.50 64.50 (0.2) 64.59 (0.3)
Composition H H
Proper motion (right ascension) [mas/yr] -111.4772799 (0.05) -111.8573773 (0.2) -111.477 (0.05) -111.8573773
Proper motion (declination) [mas/yr] -250.971753 (0.03) -251.1482937 (0.1) -250.972 (0.03) -251.1482937
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.10
V magnitude 15.00 15.00
R magnitude 15.30
I magnitude
J magnitude 15.37 (0.05)
H magnitude 15.54 (0.1)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.05 (0.002) 15.07 15.05 15.05 (0.003) 15.07
BP magnitude 15.00 (0.002) 14.98 14.98
RP magnitude 15.18 (0.002) 15.18 15.18
Pan g magnitude 14.93 (0.003)
Pan r magnitude 15.22 (0.001)
Pan i magnitude 15.52 (0.002)
Pan z magnitude 15.74 (0.002)
Pan y magnitude 15.91 (0.006)
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.