Delta Circini (Q2777569)

Washington Double Star Catalog

spectroscopic binary

2 references

SB9: The ninth catalogue of spectroscopic binary orbits

rotating ellipsoidal variable

2 references

The three-body system {delta} Circini

astrophysical X-ray source

1 reference

eclipsing binary star

2 references

The three-body system {delta} Circini

1 reference

1 reference

pulsating variable star

1 reference

HR 5664

Bright Star Catalogue

1 reference

2MASS J15165689-6057261

1 reference

GSC 09021-02243

1 reference

HD 135240

Henry Draper Catalogue

1 reference

SAO 253084

Smithsonian Astrophysical Observatory Star Catalog

1 reference

HIP 74778

1 reference

δ Cir

1 reference

imported from Wikimedia project

English Wikipedia

1RXS J151658.5-605730

1 reference

ASCC 2351294

All-sky Compiled Catalogue

1 reference

CCDM J15169-6057A

Catalog of Components of Double and Multiple Stars

1 reference

CPC 20.1 4561

Cape Photographic Catalogue

1 reference

CSV 7175

Catalogue of suspected variable stars

1 reference

GC 20507

Boss General Catalogue

1 reference

GCRV 8822

General Catalogue of Stellar Radial Velocities

1 reference

HIC 74778

Hipparcos Input Catalogue

1 reference

IDS 15089-6035 A

Index Catalogue of Visual Double Stars

1 reference

NSV 6998

New Catalogue of Suspected Variable Stars

1 reference

PPM 361313

1 reference

ROT 2157

Catalogue of rotational velocities of the stars

1 reference

TYC 9021-2243-1

1 reference

UBV 13136

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100135240 A

uvbyβ Photoelectric Photometric Catalogue

1 reference

del Cir

General Catalogue of Variable Stars

1 reference

WDS J15169-6057A

Washington Double Star Catalog

1 reference

UCAC4 146-174507

Fourth USNO CCD Astrograph Catalog

1 reference

SBC9 832

Eighth catalogue of the orbital elements of spectroscopic binary systems

1 reference

CGO 363

A catalogue of galactic O stars. The ionization of the low density interstellar medium by runaway stars

1 reference

GOS G319.69-02.91 01

A galactic O star catalog

1 reference

SBC7 534

Seventh catalogue of the orbital elements of spectroscopic binary systems

1 reference

WEB 12756

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

1 reference

Catalog of Galactic OB Stars

Gaia DR2 5875491419647525248

1 reference

Gaia DR3 5875491419647525248

1 reference

TIC 455509774

1 reference

ALS 3331

1 reference

UBV M 20629

UBV Photoelectric Photometry Catalogue

1 reference

1 reference

inferred from equatorial coordinates

distance from Earth

697.107±59.8215 parsec

1 reference

stellar rotational velocity

252 kilometre per second

1 reference

Catalogue of rotational velocities of the stars

parallax

1.556±0.1686 milliarcsecond

1 reference

Gaia Data Release 2

0.51±0.71 milliarcsecond

1 reference

The HIPPARCOS Catalogue

0.89±0.3 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

1.4345±0.1231 milliarcsecond

1 reference

declination component of proper motion

−4.972±0.271 milliarcsecond per year

1 reference

Gaia Data Release 2

−3.06±0.25 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−4.08±0.55 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−17 milliarcsecond per year

1 reference

−3.758±0.136 milliarcsecond per year

1 reference

right ascension component of proper motion

−4.538±0.222 milliarcsecond per year

1 reference

Gaia Data Release 2

−1.9±0.26 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

−2.02±0.51 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

−16 milliarcsecond per year

1 reference

−4.085±0.112 milliarcsecond per year

1 reference

radial velocity

88±10 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

−17.8±1 kilometre per second

1 reference

SB9: The ninth catalogue of spectroscopic binary orbits

9.2 kilometre per second

3 references

The revision of the general catalogue of radial velocities

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

Orbits of two O-type spectroscopic binaries HD 93403 and 135240

−68.0 kilometre per second

1 reference

Radial velocities of southern B stars determined at the Radcliffe Observatory

88.2 kilometre per second

1 reference

Catalogue of observed velocities

rotating ellipsoidal variable

type of variable star

2 references

imported from Wikimedia project

Italian Wikipedia

Catalogue of suspected variable stars. Moscow, Acad. of Sciences USSR Shternberg,1951 (1981)

eclipsing binary star

3 references

TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26

Temperature and Distance Dependence of Tidal Circularization in Close Binaries: A Catalog of Eclipsing Binaries in the Southern Hemisphere Observed by the TESS Satellite

An all-sky sample of intermediate- to high-mass OBA-type eclipsing binaries observed by TESS

spectral class

O8.5V

1 reference

MK Spectral Types for Bright Southern OB Stars

OB

1 reference

The SpaceInn-SISMA database: characterization of a large sample of variable and active stars by means of HARPS spectra

OB-

1 reference

Luminous stars in the Southern Milky Way

O8

1 reference

Catalogue of two dimentional spectral types for the HD stars, Vol. 1

O7III/V+O9.5V+B0.5V

1 reference

Tomographic Separation of Composite Spectra. VII. The Physical Properties of the Massive Triple System HD 135240 (δ Circini)

O8V

2 references

The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright southern stars

Line strengths for southerns OB stars. II. Observations with moderate dispersion

O 7.5III ((F))

1 reference

Spectral classification of OB stars in both hemispheres and the absolute magnitude calibration

O8n

1 reference

The Scorpio-Centaurus association. II. Spectral types and luminosities of 220 O, B and A stars

O9V

1 reference

Radial velocities of southern B stars determined at the Radcliffe Observatory

O8.5

1 reference

Distances for Southern early-type stars, especially in Carina and other H II regions

Oe5

1 reference

VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)

O7.5III((F))

1 reference

Spectral classification of OB stars in both hemispheres and the absolute magnitude calibration

Catalogue of Stellar Photometry in Johnson's 11-color system

4.11

1 reference

Catalogue of Stellar Photometry in Johnson's 11-color system

5.03

1 reference

Catalogue of Stellar Photometry in Johnson's 11-color system

5.09

1 reference

VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)

6.68±0.85

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

5.149±0.017

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

5.216±0.017

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

5.185±0.016

1 reference

5.008418±0.003538

1 reference

2 references

229.23706629149999 degree

1 reference

declination

−60.95725557726 degree

1 reference