NLTT 7194

All names: TIC 403923915, WDJ021148.18+711913.48, 2MASS J02114819+7119132, LP 30-95, PM J02118+7119, 02118+7119, Gaia EDR3 522115156720215040, Gaia DR2 522115156720215040, J0211+7119, PSO J032.9528+71.3196, Gaia DR3 522115156720215040, WD 0207+710, SDSS J021148.38+711912.4, USNO-B1.0 1613-00034591, LSPM J0211+7119, SDSS J021148.37+711912.3, NLTT 7194

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Blouin et al. 2019 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 11 48.72 (0.04) 02 11 48.71 (0.05) 02 11 48.71 (0.05) 02 11 48.72 02 11 48.18 (0.04) 02 11 48.71 02 11 47.95
Declination 71 19 10.42 (0.04) 71 19 10.52 (0.05) 71 19 10.52 (0.05) 71 19 10.42 71 19 13.48 (0.04) 71 19 10.52 71 19 12.00
Spectral type DC DC DC DC DC DC DC DC: DC DC
Effective temperature [K] 5032.0 (33) 5176.0 (19) 5125.2 (32) 4790.0 (45) 5134.0 4820.0 5150.0 (52) 5190.0 (23)
log(g) [cgs] 7.98 (0.03) 8.08 (0.008) 8.05 (0.02) 7.84 (0.03) 8.05 7.84 8.00 (0) 8.09 (0.01)
Mass [M] 0.559 (0.02) 0.631 (0.008) 0.474 (0.01) 0.614 0.478 0.58 (0.1) 0.636 (0.009)
log(Luminosity) [L] -4.00
Cooling age [Gyr] 5.8500 4.6760 (0.3) 5.6800 4.6670
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] 37.09 (0.05) 37.09 (0.05) 36.99 (0.06) 36.99 (0.06) 36.99 (0.06) 36.99 (0.06) 37.09 37.09 (0.05) 36.99 (0.06)
Distance [pc] 26.96 (0.04) 26.96 (0.04) 27.03 (0.04) 27.03 (0.05) 27.03 (0.04) 27.03 (0.05) 28.00 (3) 26.96 26.96 (0.04) 27.03 (0.05)
Composition H He He H
Proper motion (right ascension) [mas/yr] 163.8882284 (0.05) 163.7680696 (0.09) 163.888 (0.05) 163.7680696
Proper motion (declination) [mas/yr] -191.4093448 (0.06) -191.3613667 (0.1) -191.409 (0.06) -191.3613667
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.80
V magnitude
R magnitude 16.40
I magnitude
J magnitude 15.78 (0.09) 15.78 (0.09) 15.78 15.78 (0.09)
H magnitude 15.42 (0.1) 15.42 (0.1) 15.42 15.42 (0.1)
K magnitude 15.32 (0.2) 15.32 (0.2) 15.32 15.32 (0.2)
u magnitude 19.02 (0.03) 19.04 19.03 (0.03) 19.03 (0.03)
g magnitude 17.57 17.50 (0.007) 17.57 (0.005)
r magnitude 16.94 16.94 (0.005) 16.93 (0.005)
i magnitude 16.67 16.69 (0.004) 16.67 (0.005)
z magnitude 16.57 16.64 (0.005) 16.57 (0.01)
G magnitude 16.96 (0.007) 16.98 16.98 16.96 16.96 (0.003) 16.98
BP magnitude 17.41 (0.007) 17.42 17.42
RP magnitude 16.35 (0.003) 16.37 16.37
Pan g magnitude 17.50 (0.007) 17.50 (0.007) 17.50 (0.007)
Pan r magnitude 16.94 (0.006) 16.94 (0.005) 16.94 (0.005)
Pan i magnitude 16.69 (0.004) 16.69 (0.004) 16.69 (0.004)
Pan z magnitude 16.64 (0.006) 16.64 (0.005) 16.64 (0.005)
Pan y magnitude 16.59 (0.01) 16.59 (0.01) 16.59 (0.01)
E(B-V) 0.001

* 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.