All names: BPM 7961, Gaia DR2 5840399578267225472, L 69-47, WD 1257-723, TIC 361722723, GEN# +6.00207961, WD 1257-72, Gaia EDR3 5840399578267225472, uvby98 600207961, UCAC4 088-035800, USNO-B1.0 0174-00312166, 2MASS J13013073-7234473, NLTT 32573, Gaia DR3 5840399578267225472, WDJ130130.71-723447.50
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 01 31.34 (0.02) | 13 01 31.32 (0.04) | 13 01 31.34 | 13 01 30.71 (0.02) | 13 01 31.32 | 13 01 22.08 | |||
| Declination | -72 34 47.92 (0.02) | -72 34 47.91 (0.04) | -72 34 47.92 | -72 34 47.50 (0.02) | -72 34 47.91 | -72 34 08.76 | |||
| Spectral type | DA | DA | DA2.7 | DA4 | |||||
| Effective temperature | [K] | 18390.0 (276) | 17383.0 (168) | ||||||
| log(g) | [cgs] | 7.98 (0.04) | 7.99 (0.008) | ||||||
| Mass | [M☉] | 0.61 (0.03) | 0.613 (0.007) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 14.34 (0.03) | 14.25 (0.05) | 14.34 | 14.34 (0.03) | 14.25 (0.05) | |||
| Distance | [pc] | 69.75 (0.1) | 70.18 (0.3) | 72.00 | 69.75 | 69.75 (0.1) | 70.18 (0.3) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 176.3562161 (0.03) | 176.3960061 (0.06) | 176.356 (0.03) | 176.3960061 | ||||
| Proper motion (declination) | [mas/yr] | -26.27547667 (0.03) | -26.24690915 (0.07) | -26.275 (0.04) | -26.24690915 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.24 (0.06) | ||||||||
| V magnitude | 15.23 (0.03) | ||||||||
| R magnitude | 15.59 (0.5) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.76 (0.08) | ||||||||
| H magnitude | 15.55 (0.1) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 15.12 (0.06) | ||||||||
| r magnitude | 15.41 (0.04) | ||||||||
| i magnitude | 15.79 (0.05) | ||||||||
| z magnitude | |||||||||
| G magnitude | 15.24 (0.002) | 15.26 | 15.24 | 15.24 (0.003) | 15.26 | ||||
| BP magnitude | 15.18 (0.002) | 15.17 | 15.17 | ||||||
| RP magnitude | 15.39 (0.002) | 15.39 | 15.39 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.009 | ||||||||
* 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.