56 And


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


catalogues and names 56 And, HR 557, HD 11749, SAO 55107, WDS 01562+3715A
constellation Andromeda

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


position, motion, parallax:

position (J2000) RA: 1h 56min 9,3sec DEC: +37 15' 6''
position (J1900) RA: 1h 50min 12,7sec DEC: +36 45' 40''
proper motion (J2000) RA: 0,182 arcsec/a DEC: 0,006 arcsec/a
radial velocity 59 km/s
rotational velocity =<25 km/s (uncertain) (variable)

magnitude

visual magnitude 5,67
(V on UBV Johnson system)

spectral / color information

spectral class K0III
B-V-magnitude 1,06
U-B-magnitude 0,91

double/multiple star system information

number of components of multiple star system 4
separation 190,4 arcsec
mag difference (of double or brightest multiple) 0,2
component ID AB
note (category: double and multiple data): ADS 1534AP, CPM, 11.9v at 18".

miscellaneous information

note (category: group membership): Region of NGC 752.

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

position, motion, parallax:

position (J2000) RA: 1h 56min 9,358sec DEC: +37 15' 6,55'' 0,2 arcsec source: 52
proper motion (J2000) RA: 0,0155 arcsec/a DEC: 0,012 arcsec/a source: 25
radial velocity 59 km/s source: 25
galactic coord. (B1950) longitude: 136,97 latitude: -23,85
GCI unit vector (J2000) X: 0,695919 Y: 0,386374 Z: 0,605319

magnitude:

visual 5,67 (observed) source: 25
photovisual 5,8 source: 2
photographic 6,8 source: 16

spectral information:

spectral class K0 source: 96
Morgan-Keenan K0III source: 25
B-magnitude 6,73 0,05 B-V-magnitude 1,06
U-magnitude 7,64 0,05 U-B-magnitude 0,91

double/multiple star system information:

source of data: 19
separation between brightest and second brightest component 18,4 arcsec
magnitude difference between brightest and second brightest component 6,25
position angle 79

component magnitude spectral class catalogue(s)/name(s)
A 5,67 K0 56 And, HR 557, HD 11749, SAO 55107
B 5,89 K2 HR 556, HD 11727, SAO 55102

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
16 PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
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
52 PPMN-HP subset
PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H)
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: 1h 53min 10,56sec DEC: +37 0' 26,51'' 0,015 arcsec
position (J2000) RA: 1h 56min 9,339sec DEC: +37 15' 6,03''
proper motion J1950 (FK4) RA: 0,0151 arcsec/a DEC: 0,01 arcsec/a 0,003 arcsec/a in RA
0,002 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0152 arcsec/a DEC: 0,006 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,8 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class K0
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: 2324
Durchmusterung BD+36 355
Boss General Catalogue 2324
Henry Draper Catalogue 11749

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

position and proper motion:

position (J2000) RA: 1h 56,2min DEC: +37 15'
proper motion (J2000) RA: 0,186 arcsec/a DEC: 0,017 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 1903 6 79 18,4'' 5,68 11,93 K0III BU 1368
AB 1836 12 302 177,5'' 5,68 6,1 K0III gM0 STF 4
1984 297 199,7''
Bb 1880 3 258 203,8'' 6,2 9,4 gM0 BU 1368

discoverer information:

discoverer code discoverer reference
BU 1368 Burnham, S.W. -
STF 4 Struve, F.G.W. -

notes:

note Bb: b is BD+36@349. 56 And. B is BD+36@354.