All names: WD 0252-055, IRAS 02521-0532, NSV 15607, EUVE J0254-05.3, RBS 370, 1RXS J025439.4-051948, HIP 13558, Gaia EDR3 5184265327181629056, AP J02543883-0519509, 2MASS J02543883-0519509, SAO 130180, RE J025439-051911, V* IP Eri, Gaia DR3 5184265327181629056, N30 597, TIC 439871393, GC 3493, PPM 185172, Gaia DR2 5184265327181629056, HD 18131, 2EUVE J0254-05.3, SKY# 4369, HIC 13558, BD-05 541, 2RE J025438-051921, GSC 04706-01087, 2RE J0254-051, SBC9 3659, YZ 95 654, GSC 04706-00835, RE J0254-051, TYC 4706-835-1, YZ 0 3837
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 02 54 38.86 (0.2) | 02 54 38.86 (0.05) | 02 54 38.83 (0.2) | 02 54 38.40 | ||
| Declination | -05 19 51.30 (0.2) | -05 19 51.29 (0.07) | -05 19 50.95 (0.2) | -05 19 45.12 | ||
| Spectral type | K0IV+DA | DA | ||||
| 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] | 8.79 (0.3) | 10.09 (0.08) | 8.79 (0.3) | 9.00 (1) | |
| Distance | [pc] | 113.81 (3) | 99.13 (0.8) | 113.81 (3) | 111.11 (12) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 30.76462519 (0.3) | 34.059 (0.1) | 30.765 (0.3) | ||
| Proper motion (declination) | [mas/yr] | -22.22077648 (0.2) | -23.241 (0.2) | -22.221 (0.2) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 8.32 (0.02) | |||||
| V magnitude | 7.31 (0.01) | 13.95 | ||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 5.71 (0.02) | |||||
| H magnitude | 5.26 (0.05) | |||||
| K magnitude | 5.09 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 7.10 (0.004) | 7.09 | 7.10 (0.003) | |||
| BP magnitude | 7.59 (0.004) | 7.61 | ||||
| RP magnitude | 6.45 (0.003) | 6.47 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.003 | |||||
* 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.