All names: TIC 260002014, Gaia EDR3 4645960583300470656, uvby98 600101419, WD0255-705, GSC 09148-01755, BPM 2819, WG 6, WD 0255-705, LHS 1474, GSC2 S0133033136, LTT 1419, GCRV 26220, Gaia DR3 4645960583300470656, LFT 245, EC 02558-7034, Gaia DR2 4645960583300470656, WD 0255-70, WDJ025617.22-702210.85, L 54-5, GCRV 27422, GSC 09148-01173, WISEA J025618.59-702212.0, 2MASS J02561721-7022108, GJ 2028, NLTT 9485, GSC2 S0133033135, GEN# +9.86054005, LAWD 13, DENIS J025617.0-702210
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Bedard et al. 2017 | Subasavage et al. 2017 | Stilism | Sion et al. 2014 | Giammichele et al. 2012 | Gianninas et al. 2011 | Koester et al. 2009 | Subasavage et al. 2007 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 56 19.30 (0.01) | 02 56 19.23 (0.02) | 02 56 17.22 | 02 56 17.04 | 02 56 17.22 | 02 56 16.90 | 02 56 19.30 | 02 56 17.22 (0.01) | 02 56 19.23 | 02 56 10.90 | |||||||
| Declination | -70 22 12.65 (0.01) | -70 22 12.59 (0.02) | -70 22 01.09 | -70 22 08.40 | -70 22 10.80 | -70 22 18.00 | -70 22 12.65 | -70 22 10.85 (0.01) | -70 22 12.59 | -70 21 58.68 | |||||||
| Spectral type | DA | DA | DA | DAZ4.7 | DA | DA | DA5.0 | DA | DA | DA4.7 | DA6 | ||||||
| Effective temperature | [K] | 10339.0 (90) | 10743.0 (167) | 10480.0 (320) | 10560.0 | 10769.0 (159) | 10770.0 (159) | 10514.0 (8) | 10541.0 (326) | 10484.0 (9) | 10436.0 (33) | ||||||
| log(g) | [cgs] | 8.00 (0.02) | 8.07 (0.06) | 8.10 (0.07) | 7.95 (0.05) | 8.23 (0.05) | 8.08 (0.006) | 8.07 (0.01) | 8.02 (0.005) | ||||||||
| Mass | [M☉] | 0.602 (0.01) | 0.58 (0.1) | 0.66 (0.06) | 0.57 (0.03) | 0.75 (0.03) | 0.65 | 0.611 (0.004) | |||||||||
| log(Luminosity) | [L☉] | -2.81 (0.08) | -2.67 | ||||||||||||||
| Cooling age | [Gyr] | 0.6100 (0.08) | 0.4700 | ||||||||||||||
| 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] | 39.63 (0.01) | 39.63 (0.01) | 39.71 (0.02) | 41.55 (2) | 39.63 | 39.63 (0.01) | 39.71 (0.02) | |||||||||
| Distance | [pc] | 25.23 (0.009) | 25.23 (0.006) | 25.18 (0.01) | 24.10 (1) | 24.07 (1) | 21.00 | 27.80 (1) | 23.00 | 25.80 | 25.23 | 25.23 (0.009) | 25.18 (0.01) | ||||
| Composition | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 654.3681407 (0.02) | 654.4822312 (0.04) | 654.368 (0.02) | 654.4822312 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -112.4745233 (0.02) | -112.3747778 (0.04) | -112.475 (0.02) | -112.3747778 | ||||||||||||
| Variability | NOV | ||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 14.25 | ||||||||||||||||
| V magnitude | 14.07 | 14.08 | 14.08 | 14.08 | 14.07 | ||||||||||||
| R magnitude | 14.04 | 14.03 | |||||||||||||||
| I magnitude | 13.99 | 14.00 | |||||||||||||||
| J magnitude | 14.04 (0.03) | 14.04 (0.03) | 14.04 (0.03) | ||||||||||||||
| H magnitude | 14.12 (0.04) | 14.12 (0.04) | 14.12 (0.04) | ||||||||||||||
| K magnitude | 13.99 (0.06) | 13.99 (0.06) | 13.99 (0.06) | ||||||||||||||
| u magnitude | |||||||||||||||||
| g magnitude | |||||||||||||||||
| r magnitude | |||||||||||||||||
| i magnitude | |||||||||||||||||
| z magnitude | |||||||||||||||||
| G magnitude | 14.07 (0.001) | 14.09 | 14.07 | 14.07 (0.003) | 14.09 | ||||||||||||
| BP magnitude | 14.12 (0.001) | 14.11 | 14.11 | ||||||||||||||
| RP magnitude | 14.01 (0.001) | 14.02 | 14.02 | ||||||||||||||
| Pan g magnitude | |||||||||||||||||
| Pan r magnitude | |||||||||||||||||
| Pan i magnitude | |||||||||||||||||
| Pan z magnitude | |||||||||||||||||
| Pan y magnitude | |||||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||
* 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.