Deneb
Blue supergiant star in the constellation Cygnus
Also known as Alpha Cygni · 50 Cygni · α Cygni · α Cyg · 50 Cyg · HD 197345
- Instance of
- Part of
Overview
All data
140 statements · 83% with external sources · numbers in brackets are citations
- Spectral class
- A2Ia
26
Sources- 1.Stated in Revised Standards for Supergiants on the System of the Yerkes Spectral Atlas
- 2.Stated in Spectral Classification
- 3.Stated in A study of the bright A stars. I. A catalogue of spectral classifications
- 4.Stated in The radial velocities spectral types and projected rotational velocities of 633 bright northern A stars
- 5.Stated in Spectral classification of Southern fundamental stars
- 6.Stated in Photoelectric measurements of the lambda 4200 A CN band and the G band in G8-K5 spectra
- A2Ia
- Catalog code
- 2MASS J20412592+4516491 catalog: 2MASS
1
- GSC 03574-03347 catalog: Guide Star Catalog
1
- HD 197345 catalog: Henry Draper Catalogue
1
- HIP 102098 catalog: Hipparcos Catalogue
1
- HR 7924 catalog: Bright Star Catalogue
1
- SAO 49941 catalog: Smithsonian Astrophysical Observatory Star Catalog
1
- α Cyg catalog: Bayer designation
- ADS 14172 A catalog: Aitken Double Star Catalogue
1
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- BD+44 3541 catalog: Durchmusterung
1
- CCDM J20415+4517A catalog: Catalog of Components of Double and Multiple Stars
1
- CEL 5144 catalog: Celescope Catalogue of Ultraviolet Magnitudes
1
- FK5 777 catalog: FK5
1
- GC 28846 catalog: Boss General Catalogue
1
- GCRV 12971 catalog: General Catalogue of Stellar Radial Velocities
1
- HIC 102098 catalog: Hipparcos Input Catalogue
1
- IDS 20380+4455 A catalog: Index Catalogue of Visual Double Stars
1
- IRC +50337 catalog: Two-Micron Sky Survey
1
- JP11 3264 catalog: JP11
1
- N30 4579 catalog: Catalog of 5,268 Standard Stars Based on the Normal System N30
1
- PLX 4935 catalog: General Catalogue of Trigonometric Stellar Parallaxes
1
- PLX 4935.00 catalog: General Catalogue of Trigonometric Stellar Parallaxes
1
- PMC 90-93 546 catalog: Tokyo Photoelectric Meridian Circle Catalog
1
- PPM 60323 catalog: PPM Star Catalogue
1
- RAFGL 2633 catalog: Revised AFGL catalogue
1
- ROT 3019 catalog: Catalogue of rotational velocities of the stars
1
- TD1 27159 catalog: TD1 Catalog of Stellar Ultraviolet Fluxes
1
- TYC 3574-3347-1 catalog: Tycho Catalogue, The Tycho-2 catalogue of the 2.5 million brightest stars
1
- UBV 17953 catalog: UBV Photoelectric Photometry Catalogue
1
- alf Cyg catalog: General Catalogue of Variable Stars
1
- WDS J20414+4517A catalog: Washington Double Star Catalog
1
- uvby98 100197345 catalog: uvbyβ Photoelectric Photometric Catalogue
1
- WEB 18466 catalog: Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
1
- 50 Cyg catalog: Flamsteed designation
1
- TIC 195554360 catalog: TESS Input Catalog
1
- AG+45 1730 catalog: AGK3U
1
- ALS 11488 catalog: Catalog of Galactic OB Stars
1
- UBV M 25099 catalog: UBV Photoelectric Photometry Catalogue
1
- GEN# +1.00197345
1
- SKY# 39204
1
- [HFE83] 1387 catalog: Meridian observations made with the Carlsberg Automatic Meridian Circle at Brorfelde (Copenhagen University Observatory) 1981-1982.
1
- [KW97] 48-33 catalog: Catalogue of stars in the Northern Milky Way having H-alpha in emission
1
- 2MASS J20412592+4516491 catalog: 2MASS
- Distance from Earth
- 1,640 ly
- Parallax
- 2.31 milliarcsecond
1
- 2.31 milliarcsecond
- Absolute magnitude
- -6.932
- Mass
- 21 M☉
- Luminosity
- 210,000 solar luminosity sourcing circumstances: circa
- Right ascension
- 310.358 degree
1
- 310.358 degree
- Declination
- 45.2803 degree
1
- 45.2803 degree
- Effective temperature
- 8,700 K
- Radial velocity
- -4.9 kilometre per second
- Metallicity
- 0.23
1
- 0.23
- Stellar rotational velocity
- 43 kilometre per second
- Surface gravity
- 16 centimetre per square second
- Right ascension component of proper motion
- 2.01 milliarcsecond per year
1
- 2.01 milliarcsecond per year
- Declination component of proper motion
- 1.85 milliarcsecond per year
1
- 1.85 milliarcsecond per year
On other databases
18 identifiers linking Deneb across the web's reference databases
- BNCF Thesaurus ID77375
- Encyclopædia Britannica Online IDplace/Deneb
- Encyclopedia of China (Third Edition) ID (2026)3U79sm
- Encyclopedia of China (Third Edition) old ID (2021)66188
- Fandom article IDmemory-beta:Arided
- Freebase ID/m/022_r2
- Gran Enciclopèdia Catalana IDdeneb
- Gran Enciclopèdia Catalana ID (former scheme)0021991
- Great Norwegian Encyclopedia IDDeneb
- Great Russian Encyclopedia Online ID (2017)1947631
- Interlingual Index IDi85315
- KBpedia IDDeneb-Star
- Microsoft Academic ID (discontinued)2777170297
- Online PWN Encyclopedia ID3891775
- Pixiv Encyclopedia IDはくちょう座α星
- Quora topic IDDeneb
- SIMBAD ID* alf Cyg
- WordNet 3.1 Synset ID09288298-n