All names: GCRV 52650, UCAC2 45609332, CSI+39-02082, GEN# +9.80074007, Gaia DR3 333010327952701696, USNO 110, PM J02113+3955, WD 0208+396, PM 02082+3942, 02113+3955, Gaia DR2 333010327952701696, EGGR 168, WD 0208+395, WDJ021120.84+395521.52, USNO-B1.0 1299-00040950, GJ 1042, G74-7, G 134-8, LSPM J0211+3955, UBV M 53641, NLTT 7229, LTT 17336, WISEA J021121.78+395516.2, G 133-72, WD 0208+39, TIC 184694386, LHS 151, G 74-7, PLX 442.02, J0211+3955, CNS5 550, Gaia EDR3 333010327952701696, 2MASS J02112074+3955221, PSO J032.8412+39.9209
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Blouin & Xu 2022 | McCleery et al. 2020 | Blouin et al. 2019 | 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 | Zuckerman et al. 2011 | Holberg et al. 2008 | Kilic et al. 2006 | Zuckerman et al. 2003 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 11 22.27 (0.02) | 02 11 22.23 (0.03) | 02 11 22.23 (0.03) | 02 11 20.64 | 02 11 22.27 | 02 11 20.84 (0.02) | 02 11 22.23 | 02 11 16.61 | ||||||||||||||||||
| Declination | 39 55 13.51 (0.02) | 39 55 13.76 (0.03) | 39 55 13.76 (0.03) | 39 55 19.20 | 39 55 13.51 | 39 55 21.52 (0.02) | 39 55 13.76 | 39 55 35.76 | ||||||||||||||||||
| Spectral type | DAZ | DAZ | DAZ | DAZ | DAZ | DAZ | DAZ | DAZ6.9 | DAZ | DA | DAZ | DAZ | DAZ | DAZ | DA | DA | DAZ6.9 | DAZ7 | ||||||||
| Effective temperature | [K] | 7196.0 (48) | 7191.0 (41) | 7224.0 (64) | 7196.4 (21) | 7200.0 (60) | 7332.0 (109) | 7266.0 (176) | 7250.0 (107) | 7264.0 | 7264.0 (176) | 7260.0 (110) | 7200.0 | 7201.0 | 7201.0 | 7310.0 (180) | 7320.0 (180) | 7275.0 (28) | ||||||||
| log(g) | [cgs] | 7.93 (0.02) | 7.93 (0.008) | 7.97 (0.02) | 7.94 (0.008) | 7.97 (0.02) | 7.93 (0.08) | 7.91 (0.09) | 7.82 (0.08) | (0.09) | 8.03 (0.09) | 7.93 | 7.90 | 7.93 | 8.01 (0.09) | 8.02 (0.09) | 7.96 (0.007) | |||||||||
| Mass | [M☉] | 0.553 (0.01) | 0.533 (0.007) | 0.574 (0.01) | 0.572 (0.01) | 0.48 (0.1) | 0.55 (0.04) | 0.49 (0.04) | 0.59 (0.05) | 0.61 (0.05) | 0.6 (0.05) | 0.61 (0.05) | 0.569 (0.006) | |||||||||||||
| log(Luminosity) | [L☉] | -3.30 | -3.39 | -3.38 (0.05) | -3.38 (0.05) | |||||||||||||||||||||
| Cooling age | [Gyr] | 1.3800 | 1.3900 | 1.3500 (0.04) | 1.2800 | 1.3900 | 1.3800 (0.2) | 1.4600 (0.2) | ||||||||||||||||||
| log(H/He) | ||||||||||||||||||||||||||
| log(C/He) | ||||||||||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||||||||||
| log(Ca/H) | -8.5 | -8.86 (0.07) | -8.83 | -8.8 | -8.835 | |||||||||||||||||||||
| log(C/H) | ||||||||||||||||||||||||||
| log(N/H) | ||||||||||||||||||||||||||
| log(O/H) | ||||||||||||||||||||||||||
| log(Na/H) | ||||||||||||||||||||||||||
| log(Mg/H) | -7.9 | |||||||||||||||||||||||||
| log(Al/H) | -9.0 | |||||||||||||||||||||||||
| log(Si/H) | ||||||||||||||||||||||||||
| log(P/H) | ||||||||||||||||||||||||||
| log(S/H) | ||||||||||||||||||||||||||
| log(Sc/H) | ||||||||||||||||||||||||||
| log(Ti/H) | ||||||||||||||||||||||||||
| log(Cr/H) | ||||||||||||||||||||||||||
| log(Mn/H) | ||||||||||||||||||||||||||
| log(Fe/H) | -7.89 | |||||||||||||||||||||||||
| log(Ni/H) | ||||||||||||||||||||||||||
| Parallax | [mas] | 58.23 (0.03) | 58.23 (0.03) | 58.23 (0.04) | 58.23 (0.04) | 58.23 (0.04) | 58.23 (0.04) | 58.23 (0.04) | 59.80 (4) | 59.80 (4) | 59.80 (4) | 59.80 (4) | 59.80 (4) | 59.80 (4) | 58.23 | 58.23 (0.03) | 58.23 (0.04) | 39.50 (70) | ||||||||
| Distance | [pc] | 17.17 (0.008) | 17.17 (0.009) | 17.17 (0.01) | 17.17 (0.01) | 17.17 (0.01) | 17.17 (0.01) | 17.17 (0.01) | 16.70 (1) | 16.72 (1) | 16.70 (1) | 16.72 | 16.70 (1) | 16.00 | 16.13 | 16.72 (1) | 16.72 (1) | 17.17 | 17.17 (0.008) | 17.17 (0.01) | 25.32 (45) | |||||
| Composition | H | H | H | H | H | H | H | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 1028.678032 (0.03) | 1028.733044 (0.07) | 1028.678 (0.03) | 1028.733044 | |||||||||||||||||||||
| Proper motion (declination) | [mas/yr] | -500.4153916 (0.03) | -500.3686492 (0.06) | -500.415 (0.03) | -500.3686492 | |||||||||||||||||||||
| Variability | NOV | |||||||||||||||||||||||||
| Magnetic | ||||||||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||||||||
| Binarity | ||||||||||||||||||||||||||
| B magnitude | 14.84 | 14.84 | 14.84 | 14.80 | ||||||||||||||||||||||
| V magnitude | 14.53 | 14.51 | 14.51 | 14.51 | 14.50 | |||||||||||||||||||||
| R magnitude | 14.26 | 14.26 | 14.26 | 14.40 | ||||||||||||||||||||||
| I magnitude | 14.04 | 14.04 | 14.04 | |||||||||||||||||||||||
| J magnitude | 13.80 (0.03) | 13.83 (0.02) | 13.80 | 13.80 | 13.80 | 13.80 | 13.83 (0.02) | |||||||||||||||||||
| H magnitude | 13.65 (0.03) | 13.67 (0.03) | 13.65 | 13.58 | 13.65 | 13.65 | 13.67 (0.03) | |||||||||||||||||||
| K magnitude | 13.63 (0.03) | 13.60 (0.04) | 13.63 | 13.60 | 13.63 | 13.63 | 13.60 (0.04) | |||||||||||||||||||
| u magnitude | ||||||||||||||||||||||||||
| g magnitude | 14.59 (0.01) | |||||||||||||||||||||||||
| r magnitude | 14.46 (0.01) | |||||||||||||||||||||||||
| i magnitude | 14.48 (0.002) | |||||||||||||||||||||||||
| z magnitude | 14.49 (0.004) | |||||||||||||||||||||||||
| G magnitude | 14.41 (0.0009) | 14.42 | 14.42 | 14.41 | 14.41 (0.003) | 14.42 | ||||||||||||||||||||
| BP magnitude | 14.58 (0.0009) | 14.58 | 14.58 | |||||||||||||||||||||||
| RP magnitude | 14.10 (0.001) | 14.10 | 14.10 | |||||||||||||||||||||||
| Pan g magnitude | 14.59 (0.01) | 14.59 (0.01) | 14.59 (0.01) | 14.59 (0.01) | ||||||||||||||||||||||
| Pan r magnitude | 14.46 (0.01) | 14.46 (0.01) | 14.46 (0.01) | 14.46 (0.01) | ||||||||||||||||||||||
| Pan i magnitude | 14.48 (0.002) | 14.48 (0.002) | 14.48 (0.002) | 14.48 (0.002) | ||||||||||||||||||||||
| Pan z magnitude | 14.49 (0.004) | 14.49 (0.004) | 14.49 (0.004) | 14.49 (0.004) | ||||||||||||||||||||||
| Pan y magnitude | 14.53 (0.002) | 14.53 (0.002) | 14.53 (0.002) | 14.53 (0.002) | ||||||||||||||||||||||
| E(B-V) | 0.000 | |||||||||||||||||||||||||
* Constant surface field
Spectra without link are available upon request
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.