26 Cephei
catalogues and names |
The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) |
SKY2000 - Master Star Catalog |
Smithsonian Astrophysical Observatory Star Catalog |
catalogues and names
catalogues and names | NSV 25905, 26 Cep, HR 8561, HD 213087, SAO 20075, BD +64 1664, FK5: 3797 |
constellation | Cepheus |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 22h 27min 5.3sec | DEC: +65° 7' 56'' | ||
position (B1900) | RA: 22h 23min 52.2sec | DEC: +64° 37' 20'' | ||
proper motion (J2000) | RA: 0.001 arcsec/a | DEC: -0.002 arcsec/a | ||
radial velocity | -15 km/s note: variable radial velocity |
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galactic coordinates | longitude: 108.5° | latitude: 6.39° |
magnitude
visual magnitude | 5.46 (V on UBV Johnson system) |
spectral / color information
spectral class | B0.5Ibe: |
B-V-magnitude | 0.37 |
U-B-magnitude | -0.59 |
miscellaneous information
note (category: group membership): | Cep OB1. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 22h 27min 5.351sec | DEC: +65° 7' 55.84'' | ±0.43 arcsec | source: 16 |
proper motion (J2000) | RA: 0.0008 arcsec/a | DEC: -0.01 arcsec/a | source: 25 | |
radial velocity | -15 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 108.5° | latitude: 6.39° |
magnitude:
visual | 5.46 (observed) | source: 25 |
photovisual | 5.7 | source: 2 |
photographic | 5.4 | source: 16 |
spectral information:
spectral class | B0 | source: 96 | |
Morgan-Keenan | B0.5Ibe: | source: 25 | |
B-magnitude | 5.83 ±0.05 | B-V-magnitude | 0.37 |
U-magnitude | 5.24 ±0.05 | U-B-magnitude | -0.59 |
sources:
2 | HD and HDE Catalogs |
Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University | |
16 | PPM North and PPM South Catalogs and PPM Supplement |
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993 | |
25 | Bright Star Catalogue, 5th edition |
Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994 | |
96 | SAO or HD/HDE Catalog |
Reference from Value 1 or Reference from Value 2 |
data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)
position and proper motion:
position (B1950) | RA: 22h 25min 28.567sec | DEC: +64° 52' 37.17'' | ±0.026 arcsec |
position (J2000) | RA: 22h 27min 5.397sec | DEC: +65° 7' 56.37'' | |
proper motion B1950 (FK4) | RA: 0.0002 arcsec/a | DEC: 0.003 arcsec/a | ±0.004 arcsec/a in RA ±0.003 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0.0005 arcsec/a | DEC: -0.003 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 5.7 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
spectral class | B0 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | GC, catalogue number: 31380 |
Durchmusterung | BD+64 1664 |
Boss General Catalogue | 31380 |
Henry Draper Catalogue | 213087 |