20406-2639 CHR 186 (HD 196815)
20h 40m 35.89s -26° 38' 42.3" P.A. 149.00 sep 0.0 mag 6.90,7.70 Sp F7V dist. 107.18 pc (349.62 l.y.)
| Coord 2000 | 20406-2639 | Discov num | CHR 186 | Comp | Coord arcsec 2000 | 20 40 35.89 -26 38 42.3 | |||||
| Date first | 1992 | Date last | 2021 | Obs | 9 | ||||||
| Pa first | 325 | Pa last | 149.2 | P.A. Now (θ) | 149.2° | ||||||
| Sep first | 0.1 | Sep last | 0.044 | Sep. Now (ρ) | 0.044" | ||||||
| Mag pri | 6.90 | Mag sec | 7.70 | delta mag (ΔM) | 0.8 | Spectral class | F7V (yellow-white) | ||||
| Pri motion ra | +019 | Sec motion ra | |||||||||
| Pri motion dec | -024 | Sec motion dec | |||||||||
| Notes | N (See Notes) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Name | HD 196815 | Constellation | Capricornus | SAO | 189559 | HIP | 102032 | ||||
| Tycho2 | 6929-01467-1 | Gaia DR2 | 6799261541166115840 | HD | 196815 | HR | 7902 | ||||
| GC | 28791 | CD | CD-2714959 | CP | CP-27 7070 | Distance | 107.18 | ||||
| Distance ly | 349.62 |
WDS 20406-2639 CHR 186 (HD 196815) : NOTES
| discov_num | notes | refcode |
| CHR 186 | Reported by Andersen et al. (1985 AAA 59, 15) as SB2, with 13 RVs | Bvr1986 |
| measured by Beavers & Eitter (1986). | McA1993 |
REFERENCES
| refcode | metd | author | reference |
| Bvr1986 | - | Beavers, W.I. & Eitter, J.J. | 1986ApJS...62..147B |
| Bvr1986 | ApJS 62, 147, 1986 | ||
| McA1993 | Sc j | McAlister, H.A., Mason, B.D., Hartkopf, W.I., & Shara, M.M. | 1993AJ....106.1639M |
| McA1993 | +orb | AJ 106, 1639, 1993 |
DISCOVERER
| idgroup | discov | author |
| 1 | CHR | Center for High Ang. Res. Astronomy (speckle interferometry systems) |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20406-2639 | CHR 186 | 1992 | 1 | 325 | 0.1 | 6.51 | F7V | N | 204035.89-263842.3 | ||
| 20406-2639 | CHR 186 | 2013 | 2 | 131 | 0.0 | 6.90 | 7.70 | F7V | N | 204035.89-263842.3 | |
| 20406-2639 | CHR 186 | 2015 | 5 | 149 | 0.0 | 6.90 | 7.70 | F7V | N | 204035.89-263842.3 | |
| 20406-2639 | CHR 186 | 2017 | 6 | 131 | 0.0 | 6.90 | 7.70 | F7V | N | 204035.89-263842.3 | |
| 20406-2639 | CHR 186 | 2019 | 8 | 135 | 0.0 | 6.90 | 7.70 | F7V | N | 204035.89-263842.3 | |
| 20406-2639 | CHR 186 | 2021 | 9 | 149 | 0.0 | 6.90 | 7.70 | F7V | N | 204035.89-263842.3 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 20406-2639 CHR 186 (HD 196815) : VISUAL OBSERVATIONS REPORTS
WDS 20406-2639 CHR 186 (HD 196815) : MEASURES
WDS 20406-2639 (HD 196815) : VIRTUAL EYEPIECE
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WDS 20406-2639 (HD 196815) : ALADIN DSS IMAGE @
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