All names: GSC 01993-02645, SDSS J125533.88+255333.1, 2MASS J12553374+2553308, CXOMP J125533.7+255331, AG+26 1312, GALEX J125534.0+255330, PPM 102256, Gaia DR3 3958428334589607552, GSC2 N122220277, 2EUVE J1255+25.8, 2RXP J125533.6+255333, GALEX J125533.5+255333, PN G339.9+88.4, RX J1255.5+2553, Gaia DR2 3958428334589607552, [BOA98] 26, YZ 26 6296, GALEX J125533.7+255328, RE J125532+255355, EUVE J1255+25.8, Gaia EDR3 3958428334589607552, 2RE J125533+255354, GEN# +1.00112313, PK 339+88 1, 2XMM J125533.7+255330, Cl* Melotte 111 BOU 46, WD 1253+261, CABS 104, BD+26 2405, HIP 63087, TIC 357307129, SAO 82570, TYC 1993-2645-1, V* IN Com, FAUST 3575, UBV M 18832, SDSS J125533.71+255330.4, HIC 63087, GALEX J125533.9+255329, RE J1255+255, GALEX J125533.8+255332, GALEX J125533.6+255332, GALEX J125533.7+255333, PN LoTr 5, GALEX J125534.0+255332, 2RE J1255+255, HD 112313
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 12 55 33.72 (0.04) | 12 55 33.72 (0.03) | 12 55 33.75 (0.04) | 12 55 33.10 | ||
| Declination | 25 53 30.64 (0.03) | 25 53 30.64 (0.03) | 25 53 30.56 (0.03) | 25 53 27.96 | ||
| Spectral type | G5III-IV | PNN | ||||
| 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] | 2.20 (0.05) | 1.98 (0.05) | 2.20 (0.05) | ||
| Distance | [pc] | 454.93 (1e+01) | 505.87 (12) | 454.94 (1e+01) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -26.39736108 (0.05) | -25.588 (0.06) | -26.397 (0.05) | ||
| Proper motion (declination) | [mas/yr] | 4.910736425 (0.05) | 4.783 (0.05) | 4.911 (0.05) | ||
| Variability | ||||||
| Magnetic | yes | |||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 9.72 (0.02) | |||||
| V magnitude | 8.88 (0.02) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 7.37 (0.03) | |||||
| H magnitude | 6.95 (0.05) | |||||
| K magnitude | 6.86 (0.02) | |||||
| u magnitude | 11.12 (0.001) | 11.12 | ||||
| g magnitude | 15.88 (0.006) | 13.27 | ||||
| r magnitude | 12.13 (0.007) | 12.13 | ||||
| i magnitude | 12.79 (0.009) | 12.79 | ||||
| z magnitude | 9.23 (0.001) | 9.23 | ||||
| G magnitude | 8.64 (0.002) | 8.63 | 8.64 (0.003) | |||
| BP magnitude | 9.06 (0.002) | 9.08 | ||||
| RP magnitude | 8.03 (0.002) | 8.04 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.016 | |||||
* 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.