All names: 1ES 2304+25.2, NSV 14429, UBV M 26841, YZ 25 8859, IRC +30506, MFU 240, HIC 114155, Gaia DR2 2843604151972371840, TIC 436828549, FK5 3848, HR 8796, IRAS 23046+2511, [LHC2000] J230706.70+252805.8, Gaia EDR3 2843604151972891904, PLX 5597, PPM 115152, 2MASS J23070675+2528055, BD+24 4716, Gaia DR3 2843604151972891904, GC 32201, JP11 3587, RAFGL 3026, * 56 Peg, 2E 2304.6+2511, UBV 19801, 1RXS J230706.8+252807, GEN# +1.00218356, RBS 1945, [ZEH2003] RX J2307.1+2528 1, WEB 20271, GSC 02239-01475, TYC 2239-1475-1, PLX 5597.00, WD 2304+251, HIP 114155, GCRV 14508, AG+25 2759, 2E 4682, uvby98 100218356, SAO 91019, HD 218356, [L91b] 378, RX J2307.1+2528, SBC9 2639, YZ 0 1013, ROT 3365, SKY# 43874
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 23 07 06.74 (0.1) | 23 07 06.74 (0.4) | 23 07 06.74 (0.1) | 23 07 06.36 | ||
| Declination | 25 28 05.27 (0.07) | 25 28 05.28 (0.3) | 25 28 05.77 (0.07) | 25 28 08.40 | ||
| Spectral type | K0.5II | DA2 | ||||
| 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] | 5.18 (0.1) | 6.11 (0.4) | 5.18 (0.1) | ||
| Distance | [pc] | 193.13 (4) | 163.58 (11) | 193.13 (4) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -2.747379485 (0.1) | -4.288 (0.5) | -2.747 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -31.68241999 (0.08) | -32.639 (0.4) | -31.682 (0.08) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 6.06 | |||||
| V magnitude | 4.74 | |||||
| R magnitude | 3.74 | |||||
| I magnitude | 3.07 | |||||
| J magnitude | 2.44 (0.3) | |||||
| H magnitude | 1.83 (0.2) | |||||
| K magnitude | 1.79 | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 4.32 (0.001) | 4.24 | 4.32 (0.003) | |||
| BP magnitude | 5.01 (0.001) | 5.03 | ||||
| RP magnitude | 3.53 (0.002) | 3.56 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.023 | |||||
* 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.