catalogues and names

The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

SKY2000 - Master Star Catalog

Smithsonian Astrophysical Observatory Star Catalog

The Washington Visual Double Star Catalog, 1996.0

Combined General Catalogue of Variable Stars (Vol. I-III)

catalogues and names

catalogues and names	z And, zet And, 34 And, HR 215, HD 4502, SAO 74267, BD +23 106, FK5: 27, WDS 00473+2416A
constellation	Andromeda

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

position, motion, parallax:

position (J2000)	RA: 0h 47min 20.3sec	DEC: +24° 16' 2''
position (2000.73)	RA: 0h 47min 22sec	DEC: +24° 16' 16''
position (B1900)	RA: 0h 42min 2.1sec	DEC: +23° 43' 24''
proper motion (J2000)	RA: -0.1 arcsec/a	DEC: -0.083 arcsec/a
radial velocity	-24 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	40 km/s (uncertain) (variable)
trigonometric parallax	0.037 arcsec
galactic coordinates	longitude: 121.74°	latitude: -38.59°

magnitude

visual magnitude

4.06 (V on UBV Johnson system)

spectral / color information

spectral class	K1IIe
B-V-magnitude	1.12
U-B-magnitude	0.9
R-I-magnitude
IR-note	object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978)

note (category: spectra):

CaII emission.

variability information

variable star identification

Zet And

note (category: variability):

Component A of visual system, EB 3.92 - 4.14V, 17.7695d.

double/multiple star system information

number of components of multiple star system	4
separation	162.7 arcsec
mag difference (of double or brightest multiple)	5.6
component ID	AD
note	Worley (1978) update of the IDS

note (category: double and multiple data):

AB CPM. Companions probably optical.

note (category: spectroscopic binaries):

Component A of visual system, 17.7692d, K 26.3k/s, V0 -23.7k/s, asini 6.43. Possible X-ray source 3U0032+24.

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

position, motion, parallax:

position (J2000)	RA: 0h 47min 20.33sec	DEC: +24° 16' 1.76''	±0.06 arcsec	source: 15
position (2000.73)	RA: 0h 47min 22sec	DEC: +24° 16' 16''	JD: 2451810.11
proper motion (J2000)	RA: -0.0073 arcsec/a	DEC: -0.083 arcsec/a		source: 25
radial velocity	-24 km/s			source: 25
trigonometric parallax	0.037 arcsec		±0.004 arcsec	source: 25
galactic coord. (B1950)	longitude: 121.75°	latitude: -38.59°

magnitude:

visual	3.9 (observed)	source: 31
photovisual	4.3	source: 2

spectral information:

spectral class	K0		source: 96
Morgan-Keenan	K1IIe		source: 25
B-magnitude	5.18 ±0.05	B-V-magnitude	1.12
U-magnitude	6.08 ±0.05	U-B-magnitude	0.9

variability information:

source of data: 30

variability type	10
var. amplitude	0.22
var. period	17.77
var. epoch	2420038 27. September 1913, 12:00:00 UT
next max light	2451810.76 23. September 2000, 06:14:24 UT

double/multiple star system information:

source of data: 19

separation between brightest and second brightest component	32.6 arcsec
magnitude difference between brightest and second brightest component	11.2
position angle	0 °

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
30	GCVS, 4th edition
Kholopov, P.N., et al., General Catalogue of Variable Stars, fourth edition, Moscow: Nauka Publishing House, 1985-88
31	CRM' (non-GCVS variable data)
Warren, W.H. Jr., Northern Hemisphere Catalog of Red Magnitudes, 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 (B1950)	RA: 0h 44min 40.968sec	DEC: +23° 59' 43.95''	±0.004 arcsec
position (2000.73)	RA: 0h 47min 23sec	DEC: +24° 16' 20''	JD: 2451810.11
position (J2000)	RA: 0h 47min 20.329sec	DEC: +24° 16' 1.75''
proper motion B1950 (FK4)	RA: -0.0073 arcsec/a	DEC: -0.078 arcsec/a	±0.001 arcsec/a in RA ±0.001 arcsec/a in DEC
proper motion J2000 (FK5)	RA: -0.0073 arcsec/a	DEC: -0.083 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	4.3 (accuracy: 2 decimals)
source of visual magnitude data	Taken from the "Henry Draper Catalogue".

spectral information:

spectral class	K0
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	FK4, catalogue number: 27
Durchmusterung	BD+23 106
Boss General Catalogue	940
Henry Draper Catalogue	4502

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

position and proper motion:

position (J2000)	RA: 0h 47.3min	DEC: +24° 16'
proper motion (J2000)	RA: -0.1 arcsec/a	DEC: -0.083 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	1910	2	349°	28.4''	4.06	15.3	K1IIe	BUP 9
	1959		0°	32.6''
AC	1910	2	230°	96.4''	4.06	13.6	-	BUP 9
	1959		-	97.5''
AD	1910	2	258°	167.9''	4.06	10.8	-	BUP 9
	1959		259°	162.7''

discoverer information:

discoverer code	discoverer	reference
BUP 9	-	-

notes:

note

18 Cet.

data from Combined General Catalogue of Variable Stars (Vol. I-III) (Kholopov+ 1998)

position:

position (equinox 1950.0)

RA: 0h 44min 41sec

DEC: +23° 59' 44''

variability informations:

variability type	EB/GS/RS	close binary eclipsing system eruptive variable star
magnitute at max. brightness	3.92
magnitute at min. brightness	4.14
photometric system	visual, photovisual or Johnson's V
epoch for maximum light [JD]	2420038.306 27. September 1913, 19:20:38 UT
period [d]	17.7695
next maximum light [JD]	2451810.172 22. September 2000, 16:07:41 UT

spectral information

spectral class

K1II-III

references

to a study	Vol. I GCVS (see Kholopov et al. 1985-1988)
to a chart/photograph	no chart is avaible, but the star is contained in the 'Bonner Durchmusterung'

miscanellous

ID in the GCVS catalogue	1/9006
constellation	Andromeda
There are notes in published catalog.

variability type description

variability type	description
EB	Eclipsing binary systems. These are binary systems with orbital planes so close to the observer's line of sight (the inclination i of the orbital plane to the plane orthogonal to the line of sight is close to 90 deg) that the components periodically eclipse each other. Consequently, the observer finds changes of the apparent combined brightness of the system with the period coincident with that of the components' orbital motion. EA Algol (Beta Persei)-type eclipsing systems. Binaries with spherical or slightly ellipsoidal components. It is possible to specify, for their light curves, the moments of the beginning and end of the eclipses. Between eclipses the light remains almost constant or varies insignificantly because of reflection effects, slight ellipsoidality of components, or physical variations. Secondary minima may be absent. An extremely wide range of periods is observed, from 0.2 to >= 10000 days. Light amplitudes are also quite different and may reach several magnitudes. EB Beta Lyrae-type eclipsing systems. These are eclipsing systems having ellipsoidal components and light curves for which it is impossible to specify the exact times of onset and end of eclipses because of a continuous change of a system's apparent combined brightness between eclipses; secondary minimum is observed in all cases, its depth usually being considerably smaller than that of the primary minimum; periods are mainly longer than 1 day. The components generally belong to early spectral types (B-A). Light amplitudes are usually <2 mag in V. EW W Ursae Majoris-type eclipsing variables. These are eclipsers with periods shorter than 1 days, consisting of ellipsoidal components almost in contact and having light curves for which it is impossible to specify the exact times of onset and end of eclipses. The depths of the primary and secondary minima are almost equal or differ insignificantly. Light amplitudes are usually <0.8 mag in V. The components generally belong to spectral types F-G and later.
GS	Systems with one or both giant and supergiant components; one of the components may be a main sequence star.
RS	Eruptive variables of the RS Canum Venaticorum type. This type is ascribed to close binary systems with spectra showing Ca II H and K in emission, their components having enhanced chromospheric activity that causes quasi-periodic light variability. The period of variation is close to the orbital one, and the variability amplitude is usually as great as 0.2 mag in V (UX Ari). They are X-ray sources and rotating variables. RS CVn itself is also an eclipsing system.