GD 219

All names: CNS5 4806, WD 1919+14, GEN# +6.10060219, PM J19216+1440, PLX 4531.01, WD 1919+145, WDJ192140.42+144041.40, CSI+14-19194, 2MASS J19214042+1440414, TIC 338305380, BPM 94172, GJ 755.1, Gaia DR2 4319908862597055232, USNO-B1.0 1046-00450303, uvby98 610060219, Gaia EDR3 4319908862597055232, Gaia DR3 4319908862597055232, EGGR 201, GD 219, 19216+1440

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Koester et al. 2009 Holberg et al. 2008 Zuckerman et al. 2003 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 19 21 40.38 (0.02) 19 21 40.38 (0.04) 19 21 40.38 (0.04) 19 21 40.32 19 21 40.38 19 21 40.42 (0.02) 19 21 40.38 19 21 40.42
Declination 14 40 40.19 (0.02) 14 40 40.23 (0.04) 14 40 40.23 (0.04) 14 40 40.80 14 40 40.19 14 40 41.40 (0.02) 14 40 40.23 14 40 39.00
Spectral type DA DA DA DA DA DA DA3.3 DA DA DA DA DA3.3 DA5
Effective temperature [K] 15162.0 (227) 15135.1 (83) 14435.0 15080.0 (258) 15280.0 (246) 15340.0 (245) 15280.0 15280.0 (246) 15280.0 (247) 15252.0 (13) 14600.0 15328.0 (94)
log(g) [cgs] 8.15 (0.02) 8.15 (0.008) 8.12 8.20 (0.05) 8.21 (0.04) 8.23 (0.05) 8.21 (0.04) 8.21 (0.04) 8.01 (0.002) 8.09 8.17 (0.005)
Mass [M] 0.704 (0.01) 0.683 0.71 (0.2) 0.75 (0.03) 0.75 (0.03) 0.74 (0.03) 0.74 (0.03) 0.714 (0.004)
log(Luminosity) [L] -2.22 -2.21
Cooling age [Gyr] 0.2667 0.2900 0.2600
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) <-8.838
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] 50.31 (0.03) 50.31 (0.03) 50.26 (0.06) 50.26 (0.06) 50.50 (6) 50.50 (6) 50.50 (6) 50.50 (6) 50.31 50.31 (0.03) 50.26 (0.06) 50.90 (5)
Distance [pc] 19.88 (0.01) 19.88 (0.01) 19.90 (0.02) 19.90 (0.02) 19.80 (2) 19.80 (2) 19.80 (2) 19.80 19.80 (0.8) 19.00 19.80 19.88 19.88 (0.01) 19.90 (0.02) 19.65 (2)
Composition H H H H H H H
Proper motion (right ascension) [mas/yr] -33.0163501 (0.03) -33.09952485 (0.08) -33.016 (0.03) -33.09952485
Proper motion (declination) [mas/yr] -75.93311849 (0.02) -75.82739195 (0.09) -75.933 (0.02) -75.82739195
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.07
V magnitude 13.00 12.94 13.01
R magnitude 13.30
I magnitude
J magnitude 13.26
H magnitude 13.45 13.45 (0.06)
K magnitude 13.55 13.55 (0.07)
u magnitude 13.51 13.56 (0.003)
g magnitude 13.12 (0.003)
r magnitude 14.49 (0.009)
i magnitude 13.74 (0.004)
z magnitude 13.90 (0.004)
G magnitude 13.02 (0.0008) 13.04 13.04 13.02 13.02 (0.003) 13.04
BP magnitude 12.98 (0.0008) 12.97 12.97
RP magnitude 13.13 (0.0005) 13.13 13.13
Pan g magnitude 12.94 (0.008)
Pan r magnitude 13.17 (0.001)
Pan i magnitude 13.48 (0.001)
Pan z magnitude 13.70 (0.003)
Pan y magnitude 13.84 (0.003)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.