All names: SDSS J125637.10+263643.2, AAVSO 1251+27, SV* SVS 382, Gaia DR2 3958581402928688768, SDSS J125637.12+263643.1, V* GO Com, ZL 108, ZTF17aabwtnr, [ZEH2003] RX J1256.6+2636 1, OMHR J125637.12+263644.2, RX J1256.6+2636, Gaia DR3 3958581402928688768, OMHR 155349, [BCF91] 146, RX J125637.6+263656, CRTS J125637.1+263643, CSV 1959, US 31, LAMOST J125637.10+263643.2, PB 3137, Gaia EDR3 3958581402928688768, A2 217, 1RXS J125637.6+263656, SV* P 866
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 12 56 37.12 (0.1) | 12 56 37.09 (0.1) | ||||
| Declination | 26 36 43.09 (0.07) | 26 36 43.24 (0.07) | ||||
| Spectral type | dwarf_nova | 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] | 2.25 (0.1) | 2.25 (0.1) | |||
| Distance | [pc] | 444.35 (23) | 444.35 (23) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 21.234 (0.1) | 21.234 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -9.178 (0.1) | -9.178 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.92 (0.01) | |||||
| g magnitude | 17.94 (0.006) | |||||
| r magnitude | 17.89 (0.007) | |||||
| i magnitude | 17.87 (0.007) | |||||
| z magnitude | 17.68 (0.02) | |||||
| G magnitude | 18.21 (0.01) | 18.21 (0.01) | ||||
| BP magnitude | 18.27 (0.05) | |||||
| RP magnitude | 17.83 (0.05) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.015 | |||||
* 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.