Anser


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 Anser, a Vul, NSV 12069, 6 Vul, HR 7405, HD 183439, SAO 87261, FK5: 1508, WDS 19287+2440A
constellation Vulpecula

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

note (category: star names): Anser (rarely used).

object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

position, motion, parallax:

position (J2000) RA: 19h 28min 42,3sec DEC: +24 39' 54''
position (J1900) RA: 19h 24min 32,6sec DEC: +24 27' 44''
proper motion (J2000) RA: -0,125 arcsec/a DEC: -0,106 arcsec/a
radial velocity -86 km/s
note: suspected variable radial velocity
trigonometric parallax 0,014 arcsec

magnitude

visual magnitude 4,44
(V on UBV Johnson system)

spectral / color information

spectral class M0III
B-V-magnitude 1,5
U-B-magnitude 1,81
R-I-magnitude 0,97

variability information

variable star identification 12069

double/multiple star system information

separation 413,7 arcsec
mag difference (of double or brightest multiple) 1,4
note Worley (1978) update of the IDS
note (category: double and multiple data): Secondary K0.

miscellaneous information

note (category: group membership): Arcturus group. Same space motion as Arcturus, HR 5340.

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

position, motion, parallax:

position (J2000) RA: 19h 28min 42,333sec DEC: +24 39' 53,66'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0092 arcsec/a DEC: -0,106 arcsec/a source: 25
radial velocity -86 km/s source: 25
trigonometric parallax 0,014 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 59 latitude: 3,4
GCI unit vector (J2000) X: 0,343021 Y: -0,841539 Z: 0,417311

magnitude:

visual 4,44 (observed) source: 25
photovisual 4,6 source: 2

spectral information:

spectral class M0 source: 96
Morgan-Keenan M0.5IIIb source: 25
B-magnitude 5,94 0,05 B-V-magnitude 1,5
U-magnitude 7,75 0,05 U-B-magnitude 1,81

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 413,7 arcsec
magnitude difference between brightest and second brightest component 1,37
position angle 28

component magnitude spectral class catalogue(s)/name(s)
A 4,44 M0 Anser, a Vulpeculae, 6 Vul, HR 7405, HD 183439, SAO 87261
B 5,81 K0 8 Vul, HR 7406, HD 183491, SAO 87267

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 26min 37,41sec DEC: +24 33' 44,9'' 0,004 arcsec
position (J2000) RA: 19h 28min 42,336sec DEC: +24 39' 53,7''
proper motion J1950 (FK4) RA: -0,0093 arcsec/a DEC: -0,103 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0092 arcsec/a DEC: -0,106 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 the "Henry Draper Catalogue".

spectral information:

spectral class M0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 1508
Durchmusterung BD+24 3759
Boss General Catalogue 26904
Henry Draper Catalogue 183439

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

position and proper motion:

position (J2000) RA: 19h 28,7min DEC: +24 40'
proper motion (J2000) RA: -0,125 arcsec/a DEC: -0,106 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
- 1835 10 28 396,2'' 4,44 5,81 M0III STF 42
1924 - 413,7''

discoverer information:

discoverer code discoverer reference
STF 42 Struve, F.G.W. -

notes:

note Alpha and 8 Vul. B is BD+24@3761, proper motion 000 +008, spectrum K0III.

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

position:

position (J1950) RA: 19h 26min 37,4sec DEC: +24 33' 45''

variability informations:

magnitute at max. brightness 4,39
magnitute at min. brightness 4,46
photometric system visual, photovisual or Johnson's V

spectral information

spectral class M1

references

to a study 300015D (designation: HR 7405)