NSV 11866


The object was found in the following catalogues:
  1. The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

  2. SKY2000 - Master Star Catalog

  3. Smithsonian Astrophysical Observatory Star Catalog

  4. The Washington Visual Double Star Catalog, 1996.0

  5. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names NSV 11866, 1 Vul, HR 7306, HD 180554, SAO 87010, FK5: 3540, WDS 19162+2123A
constellation Vulpecula

data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)


position, motion, parallax:

position (J2000) RA: 19h 16min 13sec DEC: +21 23' 25''
position (J1900) RA: 19h 11min 55sec DEC: +21 12' 49''
proper motion (J2000) RA: 0 arcsec/a DEC: -0,009 arcsec/a
radial velocity -17 km/s
note: spectroscopic binaries, single lined spectra
note: orbital data avaible
rotational velocity 130 km/s (uncertain) (variable)
trigonometric parallax 0,017 arcsec

magnitude

visual magnitude 4,77
(V on UBV Johnson system)

spectral / color information

spectral class B4IV
B-V-magnitude -0,05
U-B-magnitude -0,54
R-I-magnitude -0,07

variability information

variable star identification 11866

double/multiple star system information

number of components of multiple star system 3
separation 39,1 arcsec
mag difference (of double or brightest multiple) 7,1
component ID AB
note (category: spectroscopic binaries): 249.4d, K 10.9, V0 -25.2, asini 28.72.

data from SKY2000 - Master Star Catalog (Myers+ 1997)

position, motion, parallax:

position (J2000) RA: 19h 16min 13,039sec DEC: +21 23' 25,32'' 0,22 arcsec source: 15
proper motion (J2000) RA: 0 arcsec/a DEC: -0,009 arcsec/a source: 25
radial velocity -17 km/s source: 25
trigonometric parallax 0,017 0,002 arcsec source: 25
galactic coord. (B1950) longitude: 54,75 latitude: 4,41
GCI unit vector (J2000) X: 0,303977 Y: -0,880101 Z: 0,36472

magnitude:

visual 4,77 (observed) source: 25
photovisual 4,6 source: 2

spectral information:

spectral class B5 source: 96
Morgan-Keenan B4IV source: 25
B-magnitude 4,72 0,05 B-V-magnitude -0,05
U-magnitude 4,18 0,05 U-B-magnitude -0,54

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 39,1 arcsec
magnitude difference between brightest and second brightest component 6,8
position angle 13

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
15 FK5, FK5 Extension and FK5 Supplement
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 1991
19 WDS Catalog
Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996
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 (J1950) RA: 19h 14min 3,973sec DEC: +21 18' 3,13'' 0,019 arcsec
position (J2000) RA: 19h 16min 13,02sec DEC: +21 23' 25,78''
proper motion J1950 (FK4) RA: -0,0004 arcsec/a DEC: -0,001 arcsec/a 0,003 arcsec/a in RA
0,003 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0003 arcsec/a DEC: -0,002 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 4,6 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class B5
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

remarks for duplicity and variability

Double star in Aitken's Double Star Catalogue (Aitken 1932)

catalogues

source catalogue GC, catalogue number: 26569
Durchmusterung BD+21 3713
Boss General Catalogue 26569
Henry Draper Catalogue 180554

data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)

position and proper motion:

position (J2000) RA: 19h 16,2min DEC: +21 23'
proper motion (J2000) RA: 0 arcsec/a DEC: -0,01 arcsec/a

double/multiple star system information:

component year number of measures position angle angular separation magnitude of 1st component magnitude of 2nd component spectral class(es) discoverer code
AB 1901 4 13 39,1'' 4,77 11,6 B4IV HJ 2862
AC 1901 2 158 43,6'' 4,77 12,8 - HJ 2862

discoverer information:

discoverer code discoverer reference
HJ 2862 Herschel, J. -

notes:

note 1 Vul. A is a spectroscopic binary, P = 249.4d, and possibly variable.

data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)

position:

position (J1950) RA: 19h 14min 4sec DEC: +21 18' 3''

variability informations:

magnitute at max. brightness 4,57
magnitute at min. brightness 4,77
photometric system visual, photovisual or Johnson's V

spectral information

spectral class B3

references

to a study 522216D (designation: HD 180554)

miscanellous

There are notes in the published catalog (Kukarkin et al.(1982)).