All names: ROT 1473, WEB 8877, PMC 90-93 643, PLX 2251.00, JP11 1815, TIC 137603530, 2MASS J09370531+8119349, WD 0937+813, GEN# +1.00081817, HIC 47193, BD+81 302, HR 3751, TD1 13941, UBV 9027, WD 0930+815, FK5 910, N30 2272, Gaia DR2 1144716265940854016, HIP 47193, UBV M 15418, IRAS 09301+8132, 2RXP J093708.8+811940, PPM 1634, GCRV 6182, DO 32868, SAO 1551, Gaia EDR3 1144716265942885888, SKY# 18598, RAFGL 1363, TYC 4547-2323-1, GSC 04547-02323, Gaia DR3 1144716265942885888, HD 81817, GC 13174, AG+81 278, [HFE83] 663, PLX 2251
| 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.