All names: Gaia DR3 4409581010854168064, ZTF18adbahiw, CRTS J155644.2-000950, WISE J155644.24-000950.2, 2MASS J15564423-0009500, SDSS J155644.24-000950.2, SDSS J155644.23-000950.2, SDSS J155644.22-000950.2, Gaia DR2 4409581010854168064, TIC 176013476, Gaia EDR3 4409581010854168064, AAVSO 1551+00, V* V493 Ser, SDSS J155644.23-000950.3
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 15 56 44.23 (0.08) | 15 56 44.24 (0.08) | |||
| Declination | -00 09 50.26 (0.08) | -00 09 50.22 (0.08) | |||
| Spectral type | 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] | 3.41 (0.1) | 3.41 (0.1) | ||
| Distance | [pc] | 293.10 (11) | 293.10 (11) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.848 (0.1) | -7.848 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -2.303 (0.1) | -2.303 (0.1) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.29 (0.1) | ||||
| H magnitude | 15.74 (0.1) | ||||
| K magnitude | 15.27 (0.2) | ||||
| u magnitude | 18.16 (0.01) | ||||
| g magnitude | 18.26 (0.007) | ||||
| r magnitude | 18.01 (0.007) | ||||
| i magnitude | 17.92 (0.008) | ||||
| z magnitude | 17.53 (0.01) | ||||
| G magnitude | 18.24 (0.01) | 18.24 (0.01) | |||
| BP magnitude | 18.47 (0.04) | ||||
| RP magnitude | 17.68 (0.04) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.100 | ||||
* 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.