WDS 13239+5456 PSF 1 Ca,Cb (Alcor)

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Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 13239+5456 : COMPONENTS

	A	Ab	B	C	Cb	D	E	F	G
Ab	pa=33.7° sep=0.01"
B	pa=152.9° sep=14.41"	pa=152.9° sep=14.41"
C	pa=71.5° sep=709.42"	pa=71.5° sep=709.41"	pa=70.4° sep=707.44"
Cb	pa=71.6° sep=708.67"	pa=71.6° sep=708.67"	pa=70.4° sep=706.68"	pa=207.1° sep=1.04"
D	pa=103.2° sep=498.24"	pa=103.2° sep=498.24"	pa=101.9° sep=489.06"	pa=209.0° sep=387.64"	pa=209.0° sep=386.60"
E	pa=321.0° sep=8204.00"	pa=321.0° sep=8203.99"	pa=321.0° sep=8218.18"	pa=316.6° sep=8458.16"	pa=316.6° sep=8458.54"	pa=319.0° sep=8593.93"
F	pa=358.6° sep=9999.79"	pa=358.6° sep=9999.78"	pa=358.6° sep=10012.77"	pa=354.6° sep=9811.84"	pa=354.6° sep=9812.73"	pa=355.9° sep=10135.20"	pa=53.1° sep=5881.62"
G	pa=272.4° sep=9334.80"	pa=272.4° sep=9334.81"	pa=272.5° sep=9342.32"	pa=271.0° sep=9991.96"	pa=271.0° sep=9991.54"	pa=273.0° sep=9827.48"	pa=213.2° sep=7256.77"	pa=221.4° sep=12993.76"
H	pa=242.5° sep=9417.20"	pa=242.5° sep=9417.21"	pa=242.6° sep=9417.61"	pa=243.1° sep=10121.85"	pa=243.1° sep=10121.03"	pa=244.4° sep=9811.38"	pa=195.2° sep=11150.27"	pa=207.5° sep=16306.36"	pa=167.1° sep=4825.12"

13239+5456 A

Common name	Mizar	Meaning	bandage (thong)	Other names	Mizat, Mirza, Mitsar	Coord arcsec 2000	132355.42+545531.5
Mag	2.23	Spectral class	A1VpSrSi (white)	PmRA	121.00	PmDE	-22.0
SAO	28737	HIP	65378	Tycho2	3850-01385-1	HD	116656
HR	5054	GC	18133	BD	BD+55 1598	Bayer	Zeta Ursae Majoris
Bayer name	zet UMa	Flamsteed	79 Ursae Majoris	Flamsteed name	79 UMa	FK5	497

SAO

SAO	28737	DelFlag		RA1950		PmRA1950	0.0139
DE1950		PmDE1950	-0.025	Vmag	2.4	SpType	A2p
Double code		Source	74	CatNum	497	DM	BD+55 1598
DMcomp	A	BDsup		HD	116656	M HD	0
GC	18133	RA1950rad	3.4990154	DE1950rad	0.96317673	PmRA2000	0.0142
PmDE2000	-0.02

Hipparcos

Catalog	H	HIP	65378	Proxy		RAhms	13 23 55.42
DEdms	+54 55 31.5	Vmag	2.23	VarFlag		R Vmag	H
RAdeg	200.981	DEdeg	54.9254	AstroRef	A	Plx	41.73
CCDM	121.23	N CCDM	I	Nsys	2	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AC
Theta	152	Rho	14.431	HD		BD	BD+55 1598
CD		CP		Dm number	+55 1598	VIred	0.07
SpType	A2V	R SpType		Coord arcsec 2000	132355.42+545531.5

Hipparcos 2

HIP	65378	Sn	15	So	3	Nc	2
RArad	3.5077787053	DErad	0.9586293363	Plx	38.01	PmRA	119.01
PmDE	-25.97	E RArad	1.28	E DErad	1.4	E Plx	1.71
E pmRA	1.49	E pmDE	1.65	Hpmag		E Hpmag	0.0088
SHp	0.041	VA	0	BV	0.057	E BV	0.004
VI	0.07

13239+5456 Ab

Coord arcsec 2000

132355.42+545531.5

Mag

Coordinate calculated

yes

13239+5456 B

Coord arcsec 2000	132356.18+545518.7	Mag	3.88	PmRA	121.00	PmDE	-22.0
SAO	28738	Tycho2	3850-01386-1	HD	116657	HR	5055
GC	18134	Flamsteed	79 Ursae Majoris	Flamsteed name	79 UMa	Delta magnitude	0.88
Coordinate calculated	yes

SAO

SAO	28738	DelFlag		RA1950		PmRA1950	0.0134
DE1950		PmDE1950	-0.033	Vmag	4	SpType	A2
Double code		Source	70	CatNum	18134	DM	BD+55 1598
DMcomp	B	BDsup		HD	116657	M HD	0
GC	18134	RA1950rad	3.4990803	DE1950rad	0.96311453	PmRA2000	0.0138
PmDE2000	-0.028

13239+5456 C

Common name	Alcor	Meaning	the faint one	Other name	g UMa	Coord arcsec 2000	132513.53+545916.6
Coord calc	132513.53+545916.6	Mag	4.01	Spectral class	A5V (white)	PmRA	119.00
PmDE	-18.0	SAO	28751	HIP	65477	Tycho2	3850-01384-1
HD	116842	HR	5062	GC	18155	BD	BD+55 1603
Flamsteed	80 Ursae Majoris	Flamsteed name	80 UMa	Delta magnitude	1.01

Tycho2

Tycho2	3850-01384-1	Pflag		RAmdeg	201.30640150	DEmdeg	54.98795585
PmRA	119.0	PmDE	-18.3	E RAmdeg	3	E DEmdeg	3
E pmRA	1.0	E pmDE	1.0	EpRAm	1991.57	EpDEm	1991.55
Num	10	Q RAmdeg	0.3	Q DEmdeg	1.0	Q pmRA	0.4
Q pmDE	0.9	BTmag	4.203	E BTmag	0.014	VTmag	4.007
E VTmag	0.009	Prox	999	TYC	T	HIP	65477
CCDM		RAdeg	201.30592361	DEdeg	54.98799833	EpRA 1990	1.71
EpDE 1990	1.68	E RAdeg	3.2	E DEdeg	3.2	Posflg
Corr	-0.2

SAO

SAO	28751	DelFlag		RA1950		PmRA1950	0.0134
DE1950		PmDE1950	-0.021	Vmag	4	SpType	A5
Double code		Source	70	CatNum	18155	DM	BD+55 1603
DMcomp		BDsup		HD	116842	M HD	0
GC	18155	RA1950rad	3.50472857	DE1950rad	0.96426041	PmRA2000	0.0138
PmDE2000	-0.016

Hipparcos

Catalog	H	HIP	65477	Proxy		RAhms	13 25 13.42
DEdms	+54 59 16.8	Vmag	3.99	VarFlag	1	R Vmag	H
RAdeg	201.306	DEdeg	54.988	AstroRef		Plx	40.19
CCDM	120.35	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD	BD+55 1603
CD		CP		Dm number	+55 1603	VIred	0.19
SpType	A5V SB	R SpType		Coord arcsec 2000	132513.42+545916.8

Hipparcos 2

HIP	65477	Sn	5	So	0	Nc	1
RArad	3.5134507307	DErad	0.9597216255	Plx	39.91	PmRA	120.21
PmDE	-16.04	E RArad	0.11	E DErad	0.11	E Plx	0.13
E pmRA	0.12	E pmDE	0.14	Hpmag		E Hpmag	0.0008
SHp	0.008	VA	2	BV	0.169	E BV	0.006
VI	0.19

13239+5456 Cb

Coord arcsec 2000

132513.47+545915.7

Mag

Delta magnitude

Coordinate calculated

yes

13239+5456 D

Coord arcsec 2000	132451.67+545337.8		Mag	7.62		PmRA	-20.00		PmDE	-5.0
Delta magnitude	4.62		Coordinate calculated	yes

13239+5456 E

Coord arcsec 2000	131351.05+564244.6		Mag	6.88		Spectral class	G1Va (yellow)		PmRA	113.00
PmDE	-20.0		Delta magnitude	3.88		Coordinate calculated	yes

13239+5456 F

Coord arcsec 2000	132327.08+574208.5		Mag	9.86		Spectral class	K5 (yellow-orange)		PmRA	119.00
PmDE	-20.0		Delta magnitude	6.86		Coordinate calculated	yes

13239+5456 G

Coord arcsec 2000	130551.76+550211.1		Mag	8.21		Spectral class	K2V (yellow-orange)		PmRA	108.00
PmDE	-1.0		Delta magnitude	5.21		Coordinate calculated	yes

13239+5456 H

Coord arcsec 2000	130757.31+534352.3		Mag	8.63		Spectral class	K0V (yellow-orange)		PmRA	109.00
PmDE	-5.0		Delta magnitude	5.63		Coordinate calculated	yes