All names: UCAC3 167-332649, WDJ225353.39-064654.49, TIC 36694741, CNS5 5646, WISEA J225355.16-064701.7, Zkh 339, USNO 473, PSO J343.4798-06.7838, J2253-0647, WD 2251-070, 2MASS J22535314-0646536, J2253-0646, PLX 5548.01, LHS 69, GJ 1276, Gaia EDR3 2611561706216413696, LP 701-29, Gaia DR3 2611561706216413696, Gaia DR2 2611561706216413696, EGGR 453, UCAC2 29570570, WD 2251-07, USNO-B1.0 0832-00736944, NLTT 55164
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Coutu et al. 2019 | Blouin et al. 2019 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Giammichele et al. 2012 | Subasavage et al. 2009 | Holberg et al. 2008 | Dufour et al. 2007 | 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 | 22 53 56.06 (0.03) | 22 53 53.39 | 22 53 55.97 (0.05) | 22 53 53.35 | 22 53 53.28 | 22 53 53.35 | 22 53 56.06 | 22 53 53.39 (0.03) | 22 53 55.97 | 22 53 45.12 | ||||||||||||
| Declination | -06 47 05.39 (0.03) | -06 46 54.49 | -06 47 05.05 (0.04) | -06 46 05.04 | -06 46 51.60 | -06 46 54.50 | -06 47 05.39 | -06 46 54.49 (0.03) | -06 47 05.05 | -06 46 18.84 | ||||||||||||
| Spectral type | DZ | DZ | DZ | DZ | DZ | DZ | DZ12.6 | DZ | DZ | DZ | DZ | DZ | DC | DZ13 | DZ9 | |||||||
| Effective temperature | [K] | 4263.0 (27) | 4323.0 (2) | 4132.0 (53) | 4170.0 (90) | 4000.0 (200) | 4000.0 (8) | 4000.0 | 4000.0 (0) | 4000.0 (200) | 4000.0 (200) | 4580.0 (60) | 4590.0 (70) | 4173.0 (22) | ||||||||
| log(g) | [cgs] | 8.05 (0.02) | 8.14 (0.002) | 8.03 | 8.06 (0.08) | 7.92 (0.01) | 8.01 (0.06) | 8.01 (0.06) | 7.92 (0.02) | 8.01 (0.06) | 8.38 (0.05) | 8.38 (0.05) | 8.09 (0.009) | |||||||||
| Mass | [M☉] | 0.597 (0.01) | 0.657 (0.002) | 0.5866 | 0.607 (0.05) | 0.52 (0.01) | 0.58 (0.03) | 0.58 (0.03) | 0.52 (0.01) | 0.58 (0.04) | 0.82 (0.03) | 0.82 (0.03) | 0.631 (0.009) | |||||||||
| log(Luminosity) | [L☉] | -4.40 (0.01) | -4.45 | -4.40 (0.01) | -4.43 (0.03) | -4.43 (0.03) | ||||||||||||||||
| Cooling age | [Gyr] | 8.0300 | 7.4900 | 8.3600 (0.7) | 7.1300 (0.08) | 8.4800 | 8.4800 | 7.3900 (0.2) | 7.7500 (0.01) | 9.6800 (0.05) | ||||||||||||
| log(H/He) | -5.0 | <-3.0004 | <-6.0 | |||||||||||||||||||
| log(C/He) | ||||||||||||||||||||||
| log(Ca/He) | -9.25 | -10.0017 (0.05) | -9.8 | -10.4 | -10.45 (0.02) | |||||||||||||||||
| log(Ca/H) | ||||||||||||||||||||||
| log(N/He) | ||||||||||||||||||||||
| log(O/He) | ||||||||||||||||||||||
| log(Na/He) | ||||||||||||||||||||||
| log(Mg/He) | ||||||||||||||||||||||
| log(Al/He) | ||||||||||||||||||||||
| log(Si/He) | ||||||||||||||||||||||
| log(P/He) | ||||||||||||||||||||||
| log(S/He) | ||||||||||||||||||||||
| log(Cl/He) | ||||||||||||||||||||||
| log(Sc/He) | ||||||||||||||||||||||
| log(Ti/He) | ||||||||||||||||||||||
| log(V/He) | ||||||||||||||||||||||
| log(Cr/He) | ||||||||||||||||||||||
| log(Mn/He) | ||||||||||||||||||||||
| log(Fe/He) | ||||||||||||||||||||||
| log(Co/He) | ||||||||||||||||||||||
| log(Ni/He) | ||||||||||||||||||||||
| log(Cu/He) | ||||||||||||||||||||||
| log(Zn/He) | ||||||||||||||||||||||
| log(Ga/He) | ||||||||||||||||||||||
| log(Ge/He) | ||||||||||||||||||||||
| log(Sr/He) | ||||||||||||||||||||||
| Parallax | [mas] | 117.14 (0.03) | 117.14 (0.03) | 117.15 (0.05) | 117.15 | 117.15 (0.05) | 117.15 (0.05) | 117.01 (0.8) | 117.38 (0.9) | 123.70 (4) | 117.38 (0.9) | 123.70 (4) | 123.70 (4) | 123.70 (4) | 117.14 | 117.14 (0.03) | 117.15 (0.05) | 124.20 (4) | ||||
| Distance | [pc] | 8.54 (0.002) | 8.54 (0.002) | 8.54 (0.004) | 8.54 (0.004) | 8.54 (0.003) | 8.54 (0.003) | 8.55 (0.06) | 8.52 (0.07) | 8.51 | 8.08 (0.3) | 8.52 (0.07) | 8.08 | 8.08 (0.3) | 8.08 (0.3) | 8.54 | 8.54 (0.002) | 8.54 (0.003) | 8.05 (0.3) | |||
| Composition | He | He | He | He | He | He | He | He | He | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 2485.79883 (0.04) | 2485.849 (0.09) | 2485.799 (0.04) | 2485.849226 | |||||||||||||||||
| Proper motion (declination) | [mas/yr] | -681.2536063 (0.04) | -681.212 (0.09) | -681.254 (0.04) | -681.2120437 | |||||||||||||||||
| Variability | ||||||||||||||||||||||
| Magnetic | ||||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||||
| Binarity | ||||||||||||||||||||||
| B magnitude | 17.55 | 17.55 | 17.55 | 17.53 | ||||||||||||||||||
| V magnitude | 15.70 | 15.66 | 15.71 | 15.71 | 15.71 | 15.66 | ||||||||||||||||
| R magnitude | 15.11 | 15.10 | 15.10 | 15.10 | 15.70 | |||||||||||||||||
| I magnitude | 14.56 | 14.56 | 14.56 | 14.56 | ||||||||||||||||||
| J magnitude | 14.01 (0.03) | 14.01 (0.03) | 14.01 (0.03) | 13.86 | 14.01 (0.03) | 13.86 | 13.86 | 14.01 (0.03) | ||||||||||||||
| H magnitude | 13.69 (0.04) | 13.69 (0.04) | 13.69 (0.04) | 13.63 | 13.69 (0.04) | 13.63 | 13.63 | 13.69 (0.04) | ||||||||||||||
| K magnitude | 13.55 (0.05) | 13.55 (0.05) | 13.55 (0.05) | 13.47 | 13.55 (0.05) | 13.47 | 13.47 | 13.55 (0.05) | ||||||||||||||
| u magnitude | 19.64 (0.03) | 19.64 (0.04) | ||||||||||||||||||||
| g magnitude | 16.30 (0.03) | 16.53 (0.004) | ||||||||||||||||||||
| r magnitude | 15.33 (0.007) | 15.34 (0.004) | ||||||||||||||||||||
| i magnitude | 15.02 (0.001) | 14.99 (0.004) | ||||||||||||||||||||
| z magnitude | 14.90 (0.004) | 14.83 (0.005) | ||||||||||||||||||||
| G magnitude | 15.42 (0.0004) | 15.44 | 15.42 | 15.42 (0.003) | 15.44 | |||||||||||||||||
| BP magnitude | 16.08 (0.003) | 16.12 | 16.12 | |||||||||||||||||||
| RP magnitude | 14.66 (0.002) | 14.67 | 14.67 | |||||||||||||||||||
| Pan g magnitude | 16.32 (0.001) | 16.32 (0.001) | 16.30 (0.03) | |||||||||||||||||||
| Pan r magnitude | 15.33 (0.002) | 15.33 (0.002) | 15.33 (0.007) | |||||||||||||||||||
| Pan i magnitude | 15.02 (0.001) | 15.02 (0.001) | 15.02 (0.001) | |||||||||||||||||||
| Pan z magnitude | 14.92 (0.005) | 14.92 (0.005) | 14.90 (0.005) | |||||||||||||||||||
| Pan y magnitude | 14.86 (0.002) | 14.86 (0.002) | 14.87 (0.008) | |||||||||||||||||||
| 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.