All names: [BOA98] 28, Balloon 113031003, UBV M 43477, Ton 139, LAMOST J125604.90+280719.5, Gaia DR2 1463780585973005568, FB 115, CBS 325, [BCF91] 118, LAMOST J125604.89+280719.4, 2MASS J12560489+2807194, FAUST 3579, TIC 445838196, uvby98 620017232, PB 3128, BPS BS 16032-0055, GCRV 63705, CSI+28-12536, KUV 494-9, [SS59] II 232, SBC9 3332, Gaia DR3 1463780590268542592, KUV 12537+2824, [TFW97] J125604.89+280719.44, GEN# +6.10070673, UBV 11673, CSI+28-12536 1, WEB 11193, PG 1253+284, SBS 73, UBV M 43159, GALEX J125604.8+280717, OMHR J125604.94+280719.4, PG1253+284, UCAC4 591-051035, uvby98 610070139, GEN# +6.20017232, TYC 1995-1532-1
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 12 56 04.93 | 12 56 04.89 (22) | |
| Declination | 28 07 19.68 | 28 07 19.52 (36) | |
| Spectral type | sdBtriple | sdB+F8V | |
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -11.8 (1) | |
| Proper motion (declination) | [mas/yr] | 0.5 (2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 12.92 (0.01) | ||
| V magnitude | 12.76 (0.01) | ||
| R magnitude | 12.87 (0.06) | ||
| I magnitude | |||
| J magnitude | 12.21 (0.02) | 12.21 (0.02) | |
| H magnitude | 12.04 (0.03) | 12.04 (0.03) | |
| K magnitude | 12.00 (0.03) | 12.00 (0.03) | |
| u magnitude | 14.09 (0.005) | ||
| g magnitude | 14.55 (0.009) | 12.82 (0.01) | |
| r magnitude | 12.99 (0.002) | 12.79 (0.01) | |
| i magnitude | 13.01 (0.001) | 12.80 (0.01) | |
| z magnitude | 13.44 (0.005) | ||
| G magnitude | 12.76 (0.002) | 13.24 (0.003) | |
| BP magnitude | 12.74 (0.004) | ||
| RP magnitude | 12.53 (0.001) | ||
| Pan g magnitude | 13.15 | ||
| Pan r magnitude | 12.98 | ||
| Pan i magnitude | 12.96 | ||
| Pan z magnitude | 12.99 | ||
| Pan y magnitude | 12.99 (0.002) | ||
| E(B-V) | |||
* 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.