Sarin


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 Sarin, d Her, NSV 08419, 65 Her, HR 6410, HD 156164, SAO 84951, FK5: 641, WDS 17150+2450A
constellation Hercules

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

note (category: star names): Sarin.

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

position, motion, parallax:

position (J2000) RA: 17h 15min 1,9sec DEC: +24 50' 21''
position (J1900) RA: 17h 10min 55,4sec DEC: +24 57' 25''
proper motion (J2000) RA: -0,021 arcsec/a DEC: -0,157 arcsec/a
radial velocity -40 km/s
note: spectroscopic binaries
rotational velocity 290 km/s (uncertain) (variable)
trigonometric parallax 0,044 arcsec

magnitude

visual magnitude 3,14
(V on UBV Johnson system)

spectral / color information

spectral class A3IV
B-V-magnitude 0,08
U-B-magnitude 0,08
R-I-magnitude 0,03

variability information

variable star identification 8419

double/multiple star system information

number of components of multiple star system 4
separation 8,5 arcsec
mag difference (of double or brightest multiple) 5,6
component ID AB
note (category: double and multiple data): ADS 10424B, dG4, optical.

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

position, motion, parallax:

position (J2000) RA: 17h 15min 1,911sec DEC: +24 50' 21,17'' 0,06 arcsec source: 15
proper motion (J2000) RA: -0,0015 arcsec/a DEC: -0,157 arcsec/a source: 25
radial velocity -40 km/s source: 25
trigonometric parallax 0,044 0,004 arcsec source: 25
galactic coord. (B1950) longitude: 46,83 latitude: 31,42
GCI unit vector (J2000) X: -0,176919 Y: -0,890078 Z: 0,420073

magnitude:

visual 3,14 (observed) source: 25
photovisual 3,2 source: 2

spectral information:

spectral class A2 source: 96
Morgan-Keenan A3IV source: 25
B-magnitude 3,22 0,05 B-V-magnitude 0,08
U-magnitude 3,3 0,05 U-B-magnitude 0,08

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 0,1 arcsec
position angle 7

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: 17h 12min 58,555sec DEC: +24 53' 48,78'' 0,004 arcsec
position (J2000) RA: 17h 15min 1,912sec DEC: +24 50' 21,22''
proper motion J1950 (FK4) RA: -0,0017 arcsec/a DEC: -0,157 arcsec/a 0,001 arcsec/a in RA
0,001 arcsec/a in DEC
proper motion J2000 (FK5) RA: -0,0015 arcsec/a DEC: -0,156 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 3,2 (accuracy: 2 decimals)
source of visual magnitude data Taken from the "Henry Draper Catalogue".

spectral information:

spectral class A2
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue FK4, catalogue number: 641
Durchmusterung BD+25 3221
Boss General Catalogue 23294
Henry Draper Catalogue 156164

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

position and proper motion:

position (J2000) RA: 17h 15min DEC: +24 50'
proper motion (J2000) RA: -0,021 arcsec/a DEC: -0,157 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
Aa 1978 3 168 0,1'' 3,14 - A3IV BNU
1989 7 -
Aa-B 1830 often 174 25,8'' 3,14 8,3 - STF3127
1988 269 9,8''
Aa-C 1921 1 352 158,9'' 3,2 - - STF3127
Aa-D 1921 1 95 190,9'' 3,2 - - STF3127

discoverer information:

discoverer code discoverer reference
BNU Bonneau et al
STF3127 Struve, F.G.W. -

notes:

note Delta Her. AB is optical. A is a spectroscopic binary now resolved by speckle interferometry.

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

position:

position (J1950) RA: 17h 12min 58,6sec DEC: +24 53' 49''

variability informations:

variability type -
magnitute at max. brightness 3,13
magnitute at min. brightness
photometric system visual, photovisual or Johnson's V

spectral information

spectral class A3

references

to a study 212221D (designation: DELTA HER)

miscanellous

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