• Thumbnail for UBV photometric system
    The UBV photometric system (from Ultraviolet, Blue, Visual), also called the Johnson system (or Johnson-Morgan system), is a photometric system usually...
    6 KB (676 words) - 00:44, 30 July 2024
  • standardized photometric system is the Johnson-Morgan or UBV photometric system (1953). At present, there are more than 200 photometric systems.[citation needed]...
    21 KB (1,021 words) - 00:56, 4 May 2024
  • UBV may mean: UBV photometric system, (or Johnson photometric system) in astronomy Universidad Bolivariana de Venezuela, Bolivarian University of Venezuela...
    188 bytes (51 words) - 17:44, 30 December 2019
  • Thumbnail for Apparent magnitude
    standard passband filters belonging to photometric systems such as the UBV system or the Strömgren uvbyβ system. Measurement in the V-band may be referred to...
    65 KB (4,798 words) - 23:55, 12 August 2024
  • Color index (category Photometric systems)
    visible (green-yellow) light (see also: UBV system). The set of passbands or filters is called a photometric system. The difference in magnitudes found with...
    11 KB (1,024 words) - 18:45, 1 August 2024
  • Thumbnail for Photometry (astronomy)
    Photometry (astronomy) (category Photometric systems)
    are regularly used, such as the UBV system (or the extended UBVRI system), near infrared JHK or the Strömgren uvbyβ system. Historically, photometry in the...
    29 KB (3,178 words) - 15:41, 18 July 2024
  • Thumbnail for Stellar classification
    star's spectral type. Other modern stellar classification systems, such as the UBV system, are based on color indices—the measured differences in three...
    104 KB (11,330 words) - 14:12, 9 August 2024
  • (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", SIMBAD Astronomical Database, Bibcode:1986EgUBV........0M. Gianninas, A.; Bergeron...
    31 KB (1,429 words) - 00:00, 16 August 2024
  • similar bandpass in the UBV system. It provides the possibility to relate these two photometric systems. Colour indices of the system were normalized to satisfy...
    3 KB (300 words) - 09:51, 19 March 2024
  • Thumbnail for Rigel
    Rigel (category Multiple star systems)
    "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System". Astronomy and Astrophysics Supplement Series. 34: 1–49. Bibcode:1978A&AS...
    71 KB (7,279 words) - 18:00, 18 July 2024
  • Thumbnail for List of brightest stars
    visible light, measured using a V-band filter in the UBV photometric system. Stars in binary systems (or other multiples) are listed by their total or combined...
    36 KB (1,305 words) - 20:56, 16 August 2024
  • Thumbnail for Triangulum Australe
    "Photoelectric Photometric Catalogue of Homogeneous Measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...
    34 KB (3,330 words) - 04:02, 17 July 2024
  • The UBV Photoelectric Photometry Catalogue, or UBV M, is the star brightness catalogue that complies to the UBV photometric system developed by astronomer...
    2 KB (151 words) - 13:20, 16 November 2021
  • "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System". Astronomy and Astrophysics Supplement Series. 34: 1–49. Bibcode:1978A&AS...
    28 KB (1,463 words) - 23:59, 15 August 2024
  • Thumbnail for Alpha Pavonis
    "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...
    14 KB (1,307 words) - 02:56, 13 August 2023
  • Thumbnail for Ross 128
    Ross 128 (category Planetary systems with one confirmed planet)
    (1978), "Photoelectric Photometric Catalogue of Homogeneous Means in the UBV System", Observatory, Geneva Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR...
    25 KB (1,970 words) - 18:16, 18 July 2024
  • Thumbnail for Messier 60
    mass-to-light ratio is a near constant 9.5 in the V (visual) band of the UBV system. The galaxy has an effective radius of 128″ (translating, at its distance...
    15 KB (1,330 words) - 17:47, 4 January 2024
  • Thumbnail for Beta Lyrae
    Beta Lyrae (category Multiple star systems)
    "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Observatory, Bibcode:1978ppch.book.....N. Wilson, Ralph Elmer (1953)...
    29 KB (2,696 words) - 19:00, 1 April 2024
  • "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...
    35 KB (1,754 words) - 00:00, 16 August 2024
  • Thumbnail for Magnitude (astronomy)
    Any magnitude systems must be calibrated to define the brightness of magnitude zero. Many magnitude systems, such as the Johnson UBV system, assign the...
    26 KB (2,958 words) - 10:21, 18 July 2024
  • Compilation of Eggen's UBV data, transformed to UBV (unpublished). Catalogue of Eggen's UBV Data (Report). SIMBAD. Bibcode:1986EgUBV........0M. Mamajek,...
    164 KB (8,768 words) - 20:32, 21 July 2024
  • "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...
    8 KB (623 words) - 12:40, 27 July 2023
  • (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M. Holberg, J. B.; et al...
    46 KB (2,036 words) - 23:29, 16 August 2024
  • Thumbnail for Alpha Librae
    (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M. Gray, R. O.; et al...
    17 KB (1,385 words) - 22:07, 10 August 2024
  • "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System". Astronomy and Astrophysics Supplement Series. 34: 1–49. Bibcode:1978A&AS...
    8 KB (645 words) - 04:13, 1 August 2024
  • "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data, SIMBAD, Bibcode:1986EgUBV........0M. Nordström, B...
    32 KB (1,738 words) - 23:59, 15 August 2024
  • Thumbnail for Gamma Cassiopeiae
    "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...
    24 KB (2,462 words) - 15:19, 29 July 2024
  • Thumbnail for List of most luminous stars
    "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data, SIMBAD, Bibcode:1986EgUBV........0M. North, P. (1998)...
    167 KB (10,279 words) - 13:43, 16 August 2024
  • Thumbnail for T Tauri
    T Tauri (category Hypothetical planetary systems)
    "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...
    23 KB (2,701 words) - 15:06, 3 August 2024
  • Thumbnail for Iota Orionis
    Iota Orionis (category Multiple star systems)
    "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System". Astronomy and Astrophysics Supplement Series. 34: 1–49. Bibcode:1978A&AS...
    20 KB (1,728 words) - 08:45, 28 January 2024