All names: ZTF J114955.67+284507.3, RE J1149+284, Gaia DR3 4019704731785215360, 2RE J114955+284508, AAVSO 1144+29, SDSS J114955.69+284507.3, 2RE J1149+284, [ZEH2003] RX J1149.9+2845 2, SDSS J114955.70+284507.3, V* EU UMa, RE J1149+28, 1RXS J114955.5+284510, [FS2003] 0611, 2MASS J11495572+2845071, Gaia DR2 4019704731785215360, RE J114954+284512, RX J1149.9+2845, 2XMM J114955.7+284507, TIC 138848507, US 3019, Gaia EDR3 4019704731785215360, RX J1149.9+2844, 2EUVE J1149+28.7, EUVE J1149+28.7, SDSS J114955.68+284507.2, RBS 1039
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 11 49 55.68 (0.2) | 11 49 55.70 (0.2) | |||
| Declination | 28 45 07.17 (0.1) | 28 45 07.29 (0.1) | |||
| Spectral type | DB+K | CV | |||
| 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] | 3.48 (0.2) | 3.48 (0.2) | ||
| Distance | [pc] | 287.21 (15) | 287.21 (15) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -17.043 (0.2) | -17.043 (0.2) | ||
| Proper motion (declination) | [mas/yr] | -7.677 (0.2) | -7.677 (0.2) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.49 (0.1) | ||||
| H magnitude | 16.01 (0.1) | ||||
| K magnitude | 16.00 (0.2) | ||||
| u magnitude | 17.57 (0.009) | ||||
| g magnitude | 17.60 (0.005) | ||||
| r magnitude | 17.70 (0.006) | ||||
| i magnitude | 17.79 (0.007) | ||||
| z magnitude | 17.55 (0.01) | ||||
| G magnitude | 18.88 (0.02) | 18.88 (0.02) | |||
| BP magnitude | 18.97 (0.08) | ||||
| RP magnitude | 18.68 (0.06) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.020 | ||||
* 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.