WD 1619+123

All names: Gaia DR3 4460086458999242368, WDJ162203.86+121333.55, GALEX J162203.9+121332, Gaia DR2 4460086458999242368, SDSS J162203.88+121333.2, 2MASS J16220386+1213336, PG 1619+123, TIC 149692034, WD 1619+123, SDSS J162203.88+121333.1, USNO-B1.0 1022-00310196, Gaia EDR3 4460086458999242368, WDS J16221+1214B, ** FAR 18B, J1622+1213

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Tremblay et al. 2017 Stilism Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 22 03.93 (0.02) 16 22 03.93 (0.03) 16 22 03.93 16 22 03.86 (0.02) 16 22 03.93 16 22 03.58
Declination 12 13 32.48 (0.02) 12 13 32.51 (0.02) 12 13 32.48 12 13 33.55 (0.02) 12 13 32.51 12 13 36.12
Spectral type DA DA DA DA DA DA DA DA2.9 DA4
Effective temperature [K] 16937.0 (134) 16937.0 (134) 15764.0 17156.0 (259) 17150.0 (260) 17150.0 (259) 16853.0 (29) 16460.0 (251) 16291.0 (153)
log(g) [cgs] 7.88 (0.006) 7.89 (0.007) 7.81 7.88 (0.05) 7.87 (0.04) 7.87 (0.04) 7.68 (0.006) 7.77 (0.05) 7.84 (0.008)
Mass [M] 0.554 (0.005) 0.555 (0.005) 0.51 0.54 (0.07) 0.55 (0.02) 0.5 (0.02) 0.527 (0.006)
log(Luminosity) [L] -1.81
Cooling age [Gyr] 0.1212 0.1202
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] 17.91 (0.03) 17.95 (0.04) 17.70 (0.4) 17.91 17.91 (0.03) 17.95 (0.04)
Distance [pc] 55.82 (0.09) 55.71 (0.1) 56.50 (2) 56.50 (1) 55.00 59.00 55.82 55.82 (0.09) 55.71 (0.1)
Composition H H H
Proper motion (right ascension) [mas/yr] 63.66174969 (0.03) 63.60437573 (0.06) 63.662 (0.03) 63.60437573
Proper motion (declination) [mas/yr] -66.71701406 (0.02) -66.82793763 (0.04) -66.717 (0.02) -66.82793763
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.95
V magnitude 14.66 (0.05) 14.57 14.62
R magnitude 15.00
I magnitude
J magnitude 14.99 (0.04)
H magnitude 14.99 (0.08)
K magnitude 15.01 (0.1)
u magnitude 14.92 (0.005) 14.67 (0.004)
g magnitude 14.70 (0.004) 14.48 (0.003)
r magnitude 16.08 (0.01) 14.82 (0.005)
i magnitude 15.33 (0.006) 15.10 (0.005)
z magnitude 15.55 (0.007) 15.40 (0.006)
G magnitude 14.66 (0.001) 14.68 14.66 14.66 (0.003) 14.68
BP magnitude 14.60 (0.001) 14.58 14.58
RP magnitude 14.80 (0.001) 14.80 14.80
Pan g magnitude 14.53 (0.003)
Pan r magnitude 14.83 (0.002)
Pan i magnitude 15.11 (0.002)
Pan z magnitude 15.36 (0.003)
Pan y magnitude 15.52 (0.002)
E(B-V) 0.003

* 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.