G 134-22

All names: EGGR 16, UBV 2283, GJ 91.3, WD 0213+427, WDJ021658.02+425805.24, Gaia EDR3 351429930856782464, GEN# +9.80134022, WD 0213+42, NLTT 7495, Gaia DR2 351429930856438656, LSPM J0216+4258, PM J02169+4258, USNO 301, J0216+4257, G 134-22, TIC 292851282, IRAS 02138+4244, CNS5 582, 02169+4258, Gaia DR3 351429930856782464, PLX 463.01, 2MASS J02165644+4258110, LHS 153, CSI+42-02138

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Holberg et al. 2008 Zuckerman et al. 2003 Bergeron et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 16 59.27 (0.05) 02 16 59.23 (0.07) 02 16 59.23 (0.07) 02 17 07.44 02 16 59.27 02 16 58.02 (0.05) 02 16 59.23 02 16 55.27
Declination 42 57 55.90 (0.05) 42 57 56.19 (0.06) 42 57 56.19 (0.06) 42 58 37.20 42 57 55.90 42 58 05.24 (0.05) 42 57 56.19 42 58 22.44
Spectral type DA DA DA DA DA DA9.0 DA DA DA DA DA9.5 DA9
Effective temperature [K] 5409.0 (34) 5547.0 (10) 5363.1 (24) 5476.0 5189.0 5507.0 (108) 5410.0 (127) 5507.0 5507.0 (108) 5380.0 5600.0 (160) 5480.0 (23)
log(g) [cgs] 8.00 (0.02) 8.06 (0.005) 7.98 (0.02) 8.06 7.87 8.10 (0.1) 8.03 (0.1) 8.10 (0.1) 8.07 8.12 (0.1) 8.04 (0.009)
Mass [M] 0.584 (0.01) 0.622 (0.004) 0.621 0.494 0.65 (0.09) 0.6 (0.08) 0.64 (0.08) 0.66 (0.08) 0.607 (0.008)
log(Luminosity) [L] -3.92 -3.93 -3.91 (0.07)
Cooling age [Gyr] 3.5800 3.7910 3.9840 3.9300 4.0200 3.8900 (1)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) <-12.620
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] 48.70 (0.06) 48.70 (0.06) 48.89 (0.09) 48.89 (0.09) 48.89 (0.09) 50.20 (4) 50.20 (4) 50.20 (4) 50.20 (4) 50.20 (4) 48.70 48.70 (0.06) 48.89 (0.09) 51.00 (4)
Distance [pc] 20.53 (0.03) 20.53 (0.03) 20.45 (0.04) 20.45 (0.04) 20.45 (0.04) 19.92 (2) 19.90 (2) 19.92 19.90 (2) 19.67 19.92 (2) 20.53 20.53 (0.03) 20.45 (0.04) 19.61 (2)
Composition H H H H H H H
Proper motion (right ascension) [mas/yr] 852.7359502 (0.06) 852.806 (0.1) 852.736 (0.06) 852.8062793
Proper motion (declination) [mas/yr] -583.7546979 (0.06) -583.518 (0.1) -583.755 (0.06) -583.5176334
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.95 16.95 16.96
V magnitude 16.21 16.22 16.22 16.23
R magnitude 15.77 15.77 16.30
I magnitude 15.37 15.37
J magnitude 14.98 (0.03) 14.98 14.98
H magnitude 14.73 (0.03) 14.73 14.73
K magnitude 14.52 (0.03) 14.52 14.52 15.18 (0.3)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.04 (0.004) 16.06 16.06 16.04 16.04 (0.003) 16.06
BP magnitude 16.43 (0.004) 16.45 16.45
RP magnitude 15.49 (0.004) 15.49 15.49
Pan g magnitude 16.44 (0.003) 16.44 (0.003)
Pan r magnitude 15.98 (0.002) 15.98 (0.002)
Pan i magnitude 15.79 (0.003) 15.79 (0.003)
Pan z magnitude 15.74 (0.002) 15.74 (0.003)
Pan y magnitude 15.67 (0.003) 15.67 (0.003)
E(B-V) 0.000

* 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.