All names: Gaia DR3 1796648870766546944, Renson 58120, GSC 02211-01613, Gaia EDR3 1796648870766546944, TYC 2211-1613-1, FB179, SAO 90153, ALS 16632, FB 179, 2MASS J21594197+2625573, Gaia DR2 1796648870766546944, TIC 283283022, TD1 30969, BD+25 4655, AG+26 2617, PPM 113879, YZ 26 13079, HIC 108578, HIP 108578, GEN# +0.02504655, uvby98 002504655 V, V* IS Peg
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 59 41.93 (0.04) | 21 59 42.00 | 21 59 41.97 (0.04) | ||
| Declination | 26 25 56.73 (0.05) | 26 25 57.78 | 26 25 57.40 (0.04) | ||
| Spectral type | sdO | sdO6 | |||
| 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] | 8.66 (0.05) | 8.48 (0.07) | 8.66 (0.05) | |
| Distance | [pc] | 115.53 (0.7) | 117.86 (1) | 115.53 (0.7) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -37.221 (0.05) | -37.457 (0.1) | -37.221 (0.05) | |
| Proper motion (declination) | [mas/yr] | -42.006 (0.06) | -41.672 (0.1) | -42.006 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 9.39 | ||||
| V magnitude | 9.68 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 10.37 (0.02) | 10.37 (0.02) | |||
| H magnitude | 10.52 (0.03) | 10.52 (0.03) | |||
| K magnitude | 10.63 (0.02) | 10.63 (0.02) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | 13.10 (0.01) | ||||
| G magnitude | 9.65 (0.003) | 9.65 (0.001) | 9.65 (0.003) | ||
| BP magnitude | 9.49 (0.003) | 9.50 (0.002) | |||
| RP magnitude | 9.96 (0.004) | 9.96 (0.001) | |||
| Pan g magnitude | 9.45 (0.002) | ||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.026 | ||||
* 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.