All names: PLX 2251, SKY# 18598, 2RXP J093708.8+811940, GEN# +1.00081817, PMC 90-93 643, SAO 1551, HIC 47193, TIC 137603530, WEB 8877, JP11 1815, GC 13174, N30 2272, AG+81 278, GCRV 6182, WD 0930+815, PLX 2251.00, Gaia DR3 1144716265942885888, IRAS 09301+8132, HD 81817, HIP 47193, [HFE83] 663, UBV M 15418, Gaia DR2 1144716265940854016, FK5 910, GSC 04547-02323, BD+81 302, PPM 1634, ROT 1473, 2MASS J09370531+8119349, WD 0937+813, TD1 13941, TYC 4547-2323-1, RAFGL 1363, UBV 9027, DO 32868, HR 3751, Gaia EDR3 1144716265942885888
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 09 37 05.17 (0.1) | 09 37 05.18 (0.2) | 09 37 05.29 (0.1) | 09 37 05.26 | ||
| Declination | 81 19 34.71 (0.1) | 81 19 34.71 (0.3) | 81 19 34.97 (0.1) | 81 19 35.40 | ||
| Spectral type | K3II-III | DA3 | ||||
| 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] | 3.54 (0.2) | 3.72 (0.3) | 3.28 (0.1) | ||
| Distance | [pc] | 282.30 (14) | 268.98 (21) | 304.88 (14) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -16.34022945 (0.2) | -16.794 (0.6) | -16.62 (0.2) | ||
| Proper motion (declination) | [mas/yr] | -16.60771236 (0.2) | -17.605 (0.5) | -16.41 (0.1) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 5.74 (0.01) | |||||
| V magnitude | 4.25 (0.009) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 1.70 (0.2) | |||||
| H magnitude | 0.89 (0.2) | |||||
| K magnitude | 0.78 (0.2) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 3.79 (0.005) | 3.71 | 3.79 (0.003) | |||
| BP magnitude | 4.57 (0.005) | 4.60 | ||||
| RP magnitude | 2.95 (0.003) | 3.00 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.016 | |||||
* 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.