Complement to V/67

Details concerning star 1248

 01  1248                  BD+46 3572            HD 209813
     SAO 51628             AGK3+46 1948          AGK3R 19760
     GC 30890              GCRV 13876            HK Lac
 02  22 04 56.5363  0195  +47 14 04.220  192  2000.0  1986.25   1986.25    0147  0118
 04    +6150            +3378          2000.0  0147  0118
 06    +72  0037
 08   -23.2    0154
 09                   6.77  7.04 V  0123   25.83  0123
 10  RS CVn variable (Ref.0037,Ref.0149,Ref.0123)
 11  F IV + K0 III   (Ref.0149)
 13  RS CVn binary (Ref.0037,Ref.0149,Ref.0123)
     orbital period 24.43 (Ref.0149)
 14  finding chart (Ref.0163)
 16  radio emission confirmed (Ref.0037,Ref.0103)
     nonthermal radiation (Ref.0030)
 17  Hip.SPRS (Ref.0103)

Explanations


     Category          Meaning                               Units
     ****************************************************************************

        01        star designations

        02        optical position:
                  right ascension (J2000.0), m.e.,   HHMMSS.SSSS, 10**(-4) sec
                  declination (J2000.0), m.e.,       DDMMSS.SSS,  10**(-3) arcsec
                  epoch of coordinate system,
                  observation epochs in RA
                  and DEC,
                  bibliograph. reference to the
                  reference system of positions
                  (usually the FK5 system,
                  otherwise the original one),
                  bibl. reference to position

        03        radio position:
                  right ascension (J2000.0), m.e.,   HHMMSS.SSSS, 10**(-4) sec
                  declination (J2000.0), m.e.,       DDMMSS.SSS,  10**(-3) arcsec
                  epoch of coordinate system,
                  observation epochs in RA
                  and DEC,
                  bibliograph. reference to the
                  original reference system of
                  positions,
                  bibl. reference to position

        04        optical proper motion in RA        10**(-6) sec/yr
                  and DEC referred to J2000.0,       10**(-5) arcsec/yr
                  epoch of coordinate system,
                  bibliograph. reference to the
                  reference system of proper
                  motions (usually the FK5 system,
                  otherwise the original one),
                  bibl. reference to proper motion

        05        radio proper motion in RA          10**(-6) sec/yr
                  and DEC referred to J2000.0,       10**(-5) arcsec/yr
                  epoch of coordinate system,
                  bibliograph. reference to the
                  original reference system of
                  proper motions,
                  bibl. reference to proper motion

        06        optical parallax,                  10**(-4) arcsec
                  bibl. reference

        07        radio parallax,                    10**(-4) arcsec
                  bibl. reference

        08        radial velocity,                   km/s
                  bibl. reference

        09        apparent magnitudes                mag
                  for the magnitude systems
                  U, B, V, R, P, H (=Hipparcos),
                  K (=Kukarkin), bibl. reference;
                  mag(max), mag(min) for variable
                  stars, bibl. reference;
                  period of variability,             d
                  bibl. reference

        10        type of variability,
                  bibl. reference

        11        spectral type and
                  luminosity class,
                  bibl. reference

        12        optical structure,
                  bibl. reference

        13        double star properties:
                  type, number of components,
                  separation,                        arcsec
                  magnitudes,                        mag
                  sundries,
                  bibl. reference

        14        guide to finding charts

        15        guide to radio maps

        16        guide to radio emission

        17        observation priority
                      meaning of entries:
                      - Hip.SPRS: Hipparcos Superhigh Priority Radio Star
                      - VLA/VLBI programme star: Star selected for regular
                        observations by VLA or VLBI

References

0030 – Gibson,D.M.:1984,Nonthermal radio emission and the HR diagram, Workshop on "Non-radiative heating/momentum in hot stars", Goddard Space Flight Center,Greenbelt,Md,June 1984

0037 – Mutel,R.L.,Lestrade,J.F.: 1985AJ.....90..493M

0103 – de Vegt,C.,Johnston,K.J.:1987,Report to INCA,Subgroup 2130, on "Work on ground-based quasar and radio star links",3 Sept.1987

0118 – Copenhagen University Observatory, Royal Greenwich Observatory, Real Instituto y Observatorio de la Armada en San Fernando: 1986, Carlsberg Meridian Catalogue La Palma Number 3. Observations of positions of stars and planets made in the year 1986. (See Cat. I/256)

0123 – Kholopov,P.N.:1985-1987, General catalogue of variable stars, Astronomical Council of the USSR Academy of Sciences,Moscow, Vol.I-III (See Cat. II/214)

0149 – Hall,D.S.: 1981, The RS Canum Venaticorum binaries, in Proceedings of Solar Phenomena of Stars and Stellar Systems, R.M.Bonnet and A.K.Dupree (eds.), D.Reidel Publ.Comp., Dordrecht, 431

0154 – Wilson,R.E.: 1953, General Catalogue of Stellar Radial Velocities, Carnegie Institution of Washington, Publication No.601, Washington,D.C. (Cat. III/21)

0163 – de Vegt,Chr.: 1989, Working Documents, Sternwarte der Universitaet Hamburg,Hamburg-Bergedorf,available upon request