All names: 2MASS J01383200-1954466, LP 768-230, NLTT 5493, CNS5 419, PHL 3537, Gaia DR2 5139880551029408768, EC 01361-2009, GALEX J013832.1-195445, G 272-60, LEHPM 1738, MCT0136-2010, TIC 164681986, MCT 0136-2010, WD 0136-201, Gaia EDR3 5139880551029408768, WDJ013832.02-195446.58, Gaia DR3 5139880551029408768, J0138-1954
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 38 32.26 (0.02) | 01 38 32.25 (0.03) | 01 38 31.70 | 01 38 32.26 | 01 38 32.02 (0.02) | 01 38 32.25 | 01 38 31.70 | |||||||
| Declination | -19 54 43.99 (0.02) | -19 54 44.07 (0.02) | -19 54 51.00 | -19 54 43.99 | -19 54 46.58 (0.02) | -19 54 44.07 | -19 54 46.80 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA6 | DA6 | |||||||
| Effective temperature | [K] | 8431.0 (85) | 8533.0 (45) | 8471.0 (123) | 8416.0 (10) | 8685.0 (10) | 8319.0 (39) | |||||||
| log(g) | [cgs] | 8.53 (0.02) | 8.55 (0.007) | 8.64 (0.06) | 8.40 (0.01) | 8.73 (0.02) | 8.51 (0.007) | |||||||
| Mass | [M☉] | 0.934 (0.01) | 0.952 (0.007) | 1.006 (0.03) | 1.06 | 0.922 (0.006) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 2.7300 | 3.1070 | |||||||||||
| 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] | 41.02 (0.03) | 41.02 (0.03) | 41.01 (0.04) | 41.01 (0.04) | 41.02 | 41.02 (0.03) | 41.01 (0.04) | ||||||
| Distance | [pc] | 24.38 (0.02) | 24.38 (0.02) | 24.38 (0.02) | 24.00 | 24.38 (0.02) | 24.38 | 24.38 (0.02) | 24.38 (0.02) | |||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 211.3519011 (0.03) | 211.4207201 (0.07) | 211.352 (0.03) | 211.4207201 | |||||||||
| Proper motion (declination) | [mas/yr] | 162.0049379 (0.02) | 162.0414509 (0.04) | 162.005 (0.02) | 162.0414509 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.49 | 16.49 | 16.30 | |||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.23 (0.05) | 15.23 (0.05) | ||||||||||||
| H magnitude | 15.10 (0.09) | 15.10 (0.09) | ||||||||||||
| K magnitude | 15.18 (0.1) | 15.18 (0.1) | ||||||||||||
| u magnitude | 16.01 (0.006) | 16.01 (0.006) | ||||||||||||
| g magnitude | 15.59 (0.003) | |||||||||||||
| r magnitude | 15.59 (0.003) | |||||||||||||
| i magnitude | 15.58 (0.004) | |||||||||||||
| z magnitude | 15.70 (0.006) | |||||||||||||
| G magnitude | 15.53 (0.003) | 15.54 | 15.53 | 15.53 (0.003) | 15.54 | |||||||||
| BP magnitude | 15.63 (0.003) | 15.63 | 15.63 | |||||||||||
| RP magnitude | 15.32 (0.002) | 15.33 | 15.33 | |||||||||||
| Pan g magnitude | 15.60 (0.005) | 15.60 (0.005) | ||||||||||||
| Pan r magnitude | 15.58 (0.001) | 15.58 (0.001) | ||||||||||||
| Pan i magnitude | 15.66 (0.004) | 15.66 (0.004) | ||||||||||||
| Pan z magnitude | 15.75 (0.007) | 15.75 (0.009) | ||||||||||||
| Pan y magnitude | 15.84 (0.007) | 15.84 (0.006) | ||||||||||||
| 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.