All names: HR 8115, TYC 2702-2764-1, GSC 02702-02764, YZ 30 12254, SKY# 40368, WEB 19047, HIP 104732, MFU 232, HIC 104732, SAO 71070, Gaia DR3 1851924859353116928, UBV 18350, PMC 90-93 560, SRS 30797, TD1 27823, ** BAS 7, * 64 Cyg, IDS 21086+2949 AD, GEN# +1.00202109, GCRV 13338, HD 202109, WD 2110+300, PPM 86219, PLX 5103, Gaia DR2 1851924859347035520, uvby98 100202109, ** FYM 141A, JP11 3322, CCDM J21129+3014A, IRAS 21107+3001, N30 4690, PLX 5103.00, ROT 3090, BD+29 4348, UBV M 25545, Gaia EDR3 1851924859353116928, * zet Cyg, CSI+29 4348 1, 2MASS J21125619+3013370, AG+30 2302, [L91b] 339, ** BUP 227A, WDS J21129+3014AaAb, IRC +30472, GC 29661, FK5 797, RAFGL 2723, SBC9 2958, WDS J21129+3014A, TIC 76956031
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 21 12 56.18 (0.08) | 21 12 56.18 (0.3) | 21 12 56.19 (0.08) | 21 12 55.82 | ||
| Declination | 30 13 36.11 (0.09) | 30 13 36.13 (0.3) | 30 13 36.84 (0.09) | 30 13 36.48 | ||
| Spectral type | G8+III-IIIaBa0.5 | DA4 | ||||
| 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] | 21.81 (0.1) | 20.30 (0.4) | 21.81 (0.1) | ||
| Distance | [pc] | 45.84 (0.3) | 49.26 (0.9) | 45.84 (0.3) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -3.791525206 (0.1) | 1.862 (0.6) | -3.792 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -45.42939002 (0.1) | -45.744 (0.5) | -45.429 (0.1) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 4.20 | |||||
| V magnitude | 3.21 | |||||
| R magnitude | 2.52 | |||||
| I magnitude | 2.04 | |||||
| J magnitude | 1.60 | |||||
| H magnitude | 1.15 | |||||
| K magnitude | 1.08 | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 2.98 (0.01) | 2.84 | 2.98 (0.003) | |||
| BP magnitude | 3.67 (0.01) | 3.71 | ||||
| RP magnitude | 2.48 (0.008) | 2.51 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.003 | |||||
* 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.