23455+2025 STT 505 (HD 222978)
23h 45m 29.33s +20° 24' 55.6" P.A. 60.00 sep 2.4 mag 6.75,9.61 Sp G8III dist. 159.24 pc (519.44 l.y.)
| Coord 2000 | 23455+2025 | Discov num | STT 505 | Comp | Coord arcsec 2000 | 23 45 29.33 +20 24 55.6 | |||||
| Date first | 1849 | Date last | 2017 | Obs | 38 | ||||||
| Pa first | 55 | Pa last | 60.1 | P.A. Now (θ) | 60.1° | ||||||
| Sep first | 2.2 | Sep last | 2.394 | Sep. Now (ρ) | 2.394" | ||||||
| Mag pri | 6.75 | Mag sec | 9.61 | delta mag (ΔM) | 2.86 | Spectral class | G8III (yellow) | ||||
| Pri motion ra | +020 | Sec motion ra | +020 | ||||||||
| Pri motion dec | -013 | Sec motion dec | -013 | ||||||||
| Notes | |||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Name | HD 222978 | Constellation | Pegasus | SAO | 91467 | HIP | 117182 | ||||
| Tycho2 | 1727-01961-1 | Gaia DR2 | 2823496523841840768 | HD | 222978 | GC | 32979 | ||||
| BD | BD+19 5147 | Distance | 159.24 | Distance ly | 519.44 |
WDS 23455+2025 STT 505 (HD 222978) : NOTES
REFERENCES
| refcode | metd | author | reference |
| STTA | (O. Struve DD - Appendix list) | ................... | |
| Stt1864 | Ma - | Struve, O. | 1864MNRAS..24..149S |
| Stt1864 | MNRAS 24, 149, 1864 | ||
| Stt1866 | orb - | Struve, O. | . |
| Stt1866 | Bull. Imp. Acad. Sci. St. Petersburg, 1866 | ||
| Stt1874 | orb - | Struve, O. | . |
| Stt1874 | Compte Rendus 79, 1467, 1874 | ||
| Stt1875 | orb - | Struve, O. | 1875MNRAS..35..367S |
| Stt1875 | MNRAS 35, 367, 1875 | ||
| Stt1878 | Ma - | Struve, O. | 1878ObPul...9....1S |
| Stt1878 | Pulkova Observations 9, 1, 1878 | ||
| Stt1879A | Ma - | Struve, O. | 1879Obs.....2..304G |
| Stt1879A | cited by Gledhill (Obs 2, 304, 1879) | ||
| Stt1879B | Ma - | Struve, O. | 1879Obs.....3..245G |
| Stt1879B | cited by Gledhill (Obs 3, 245, 1879) | ||
| Stt1879C | Ma - | Struve, O. | 1879Obs.....2..344G |
| Stt1879C | cited by Gledhill (Obs 2, 344, 1879) | ||
| Stt1880A | Ma - | Struve, O. | 1880Obs.....2..605H |
| Stt1880A | cited by Hunt (Obs. 3, 605, 1880) | ||
| Stt1880B | Ma - | Struve, O. | 1880Obs.....3..535G |
| Stt1880B | cited by Gledhill (Obs 3, 535, 1880) | ||
| Stt1880C | Ma - | Struve, O. | 1880MNRAS..40..497B |
| Stt1880C | cited by Burnham (MNRAS 40, 497, 1880) | ||
| Stt1884A | Ma - | Struve, O. | 1884AReg...22..216S |
| Stt1884A | cited by Sadler (Astr. Register 22, 216, 1884) | ||
| Stt1893a | Ma j | Struve, O. | 1893ObPul..10....1S |
| Stt1893a | Pulkova Obs. Observations 10, 1, 1893 | ||
| Stt1906A | Ma - | Struve, O. | 1906MmRAS..56....1L |
| Stt1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
| Stt1906B | Ma j | Struve, O. | 1906QB821.B972..... |
| Stt1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
| Stt1908A | Ma - | Struve, O. | 1908MNRAS..68..465B |
| Stt1908A | cited by Barnard (MNRAS 68, 465, 1908) | ||
| Stt1913A | Ma - | Struve, O. | 1913QB811.B8....... |
| Stt1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
| Stt1914A | Ma - | Struve, O. | 1914AN....198..107R |
| Stt1914A | cited by Rabe (AN 198, 107, 1914) | ||
| Stt1932A | Ma - | Struve, O. | 1932QB821.A43...... |
| Stt1932A | cited in ADS (Aitken Double Star Cat., 1932) |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 23455+2025 | STT 505 | 2003 | 33 | 59 | 2.5 | 6.75 | 9.61 | G8III | D | 234529.33+202455.6 | |
| 23455+2025 | STT 505 | 2009 | 35 | 60 | 2.3 | 6.75 | 9.61 | G8III | D | 234529.33+202455.6 | |
| 23455+2025 | STT 505 | 2015 | 36 | 60 | 2.4 | 6.75 | 9.61 | G8III | 234529.33+202455.6 | ||
| 23455+2025 | STT 505 | 2017 | 37 | 60 | 2.4 | 6.75 | 9.61 | G8III | 234529.33+202455.6 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 23455+2025 STT 505 (HD 222978) : VISUAL OBSERVATIONS REPORTS
WDS 23455+2025 STT 505 (HD 222978) : MEASURES
WDS 23455+2025 (HD 222978) : VIRTUAL EYEPIECE
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WDS 23455+2025 (HD 222978) : ALADIN DSS IMAGE @
Error -22130
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Error -27220
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