13504+2117 S 656 (HD 120636)

13^h 50^m 23.51^s +21° 16' 35.8" P.A. 209.00 sep 86.2 mag 6.93,7.37 Sp G0 dist. 100.7 pc (328.48 l.y.)

Coord 2000	13504+2117	Discov num	S 656	Comp		Coord arcsec 2000	13 50 23.51 +21 16 35.8
Date first	1800	Date last	2018	Obs	47
Pa first	211	Pa last	208.5	P.A. Now (θ)	208.5°
Sep first	88.5	Sep last	86.2	Sep. Now (ρ)	86.2"
Mag pri	6.93	Mag sec	7.37	delta mag (ΔM)	0.44	Spectral class	G0 (yellow)
Pri motion ra	-034	Sec motion ra	-036
Pri motion dec	+007	Sec motion dec	+016
Notes	N Z (See Notes, Parallax indicates components are physical)

rPM=0.234 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 120636	Constellation	Bootes	SAO	83022	HIP	67540
Tycho2	1466-01081-1	Gaia DR2	1250259486603268864	HD	120636	GC	18700
BD	BD+21 2579	Distance	100.7	Distance ly	328.48

WDS 13504+2117 S 656 (HD 120636) : NOTES

discov_num	notes	refcode
S 656	STTA126 = H 6 89. B is BD+21@2579.
	BDS 6648, H VI 15 probably same star. Called a spectroscopic binary in
	the BSC Supplement.

REFERENCES

refcode	metd	author	reference
S__1826	Ma -	South, J.	1826RSPT..116....1S
S__1826		Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A	Ma -	South, J.	1844QB43.S66.......
S__1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A	Ma -	South, J.	.
S__1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A	Ma -	South, J.	1880MNRAS..40..497B
S__1880A		cited by Burnham (MNRAS 40, 497, 1880)
S__1906A	Ma -	South, J.	1906MmRAS..56....1L
S__1906A		cited by Lewis (MemRAS 56, 1, 1906)
S__1906B	Ma -	South, J.	1906QB821.B972.....
S__1906B		cited in BDS (Burnham Double Star Cat., 1906)
S__1913A	Ma -	South, J.	1913QB811.B8.......
S__1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A	Ma -	South, J.	1922AN....216...49R
S__1922A		cited by Rabe (AN 216, 49, 1922)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
13504+2117	S 656		2003	38	208	85.9	6.93	7.37	G0	NZD	135023.51+211635.8
13504+2117	S 656		2011	40	208	86.9	6.93	7.37	G0	NZD	135023.51+211635.8
13504+2117	S 656		2015	42	209	85.1	6.93	7.37	G0	NZ	135023.51+211635.8
13504+2117	S 656		2018	47	209	86.2	6.93	7.37	G0	NZ	135023.51+211635.8

If you need more information about this double, apply for a data request form to the WDS.

WDS 13504+2117 S 656 (HD 120636) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 13504+2117 S 656 (HD 120636) : MEASURES

No records found.

WDS 13504+2117 (HD 120636) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 13504+2117 (HD 120636) : ALADIN DSS IMAGE @ 13^h 50^m 23.51^s +21° 16' 35.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 13504+2117 S 656 (HD 120636) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		13504+2117	S 656		209	86.2
Show		13527+2116	COU 183		130	1.3	33
Show		13502+2152	SLW 938		44	166.9	36
Show		13477+2128	HDS1939	AB	151	1.3	40
Show		13477+2128	GII 198	Aa,Ab	123	0.2	40
Show		13455+2131	KPP1706		357	13.2	71
Show		13441+2121	SKF1746		339	1.4	88
Show		13438+2103	SKF2717		79	2.3	94
Show		13482+2248	COU 401		7	0.3	97
Show		13457+2231	YSC 49		125	0.2	99
Show		13507+1934	SKF1747		70	1.7	104
Show		13455+1956	LDS4400	AB	86	37.5	107
Show		13455+1956	LDS4400	AC	183	69.4	107
Show		13543+1944	GWP2129		229	508.7	108
Show		13509+2306	LDS5796		327	141.0	109
Show		13427+2136	CVR 143		204	27.2	110
Show		13425+2121	SLW 915		261	21.7	111
Show		13494+1924	LDS4413		239	130.9	114
Show		13538+2303	AZC 82		206	7.4	117
Show		13420+2059	BRT2417		33	5.2	119
Show		13436+2243	POU3149		187	13.5	127
Show		13572+1953	SLW 948	AB	212	13.9	128
Show		13572+1953	SLW 948	AC	220	35.9	128
Show		13473+1915	LDS4407		313	16.5	129
Show		13497+2328	POU3152		181	13.8	133
Show		13554+2313	LDS4419		283	3.6	134
Show		13416+2021	LDS4393		90	28.7	136
Show		13408+2150	SLW 908		150	177.1	139
Show		13577+2251	MMA 36		22	24.6	139
Show		13587+2237	SLW 952		88	67.5	141
Show		13404+2145	RAO 658		153	0.4	142
Show		13484+2337	LDS4410		229	188.1	144
Show		13453+1910	SLW 925		190	11.1	146
Show		13510+2346	HJ 2688		293	30.3	150
Show		13425+2304	SLW 916		55	140.4	154
Show		13581+1928	BU 30		199	8.1	155
Show		13472+2345	KPP3905		198	2.0	155
Show		13598+1953	STF1794		125	1.8	157
Show		13407+1957	STF1772	AB	133	4.4	158
Show		13407+1957	STF1772	AC	26	86.7	158
Show		13407+1957	STF1772	AD	1	208.7	158
Show		13422+2307	HJ 2672		311	40.4	158
Show		13389+2127	HU 645		25	0.8	161
Show		13440+2331	CVR1536		9	4.0	161
Show		13597+2256	TOK 293		339	276.3	163
Show		13550+2349	LDS4418		173	258.8	165
Show		13446+2340	STF1779		145	3.8	165
Show		14015+2031	LDS4426		271	45.0	165
Show		14002+2250	TDS9065		331	1.0	166
Show		13523+1830	SLE 919		147	6.7	170
Show		13444+2344	POU3150		161	7.4	170

WDS 13504+2117 : COMPONENTS

	A
B	pa=206.8° sep=84.90"

13504+2117 A

Componente originario normalizzato	AB	Name	HD 120651	Coord arcsec 2000	135023.51+211635.8	Mag	6.93
Spectral class	G0 (yellow)	PmRA	-34.00	PmDE	7.0	SAO	83022
HIP	67543	Tycho2	1466-01081-1	HD	120651	GC	18702
BD	BD+21 2580

Tycho2

Tycho2	1466-01081-1	Pflag		RAmdeg	207.59794354	DEmdeg	21.27662012
PmRA	-33.5	PmDE	13.4	E RAmdeg	4	E DEmdeg	4
E pmRA	1.0	E pmDE	1.0	EpRAm	1991.44	EpDEm	1991.37
Num	16	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.7
Q pmDE	0.8	BTmag	8.018	E BTmag	0.016	VTmag	6.925
E VTmag	0.010	Prox	858	TYC	T	HIP	67543
CCDM		RAdeg	207.59802583	DEdeg	21.27658944	EpRA 1990	1.80
EpDE 1990	1.70	E RAdeg	3.8	E DEdeg	4.4	Posflg
Corr	0.2

SAO

SAO	83022	DelFlag		RA1950		PmRA1950	-0.003
DE1950		PmDE1950	0.015	Vmag	6.9	SpType	G0
Double code		Source	70	CatNum	18702	DM	BD+21 2580
DMcomp		BDsup		HD	120651	M HD	0
GC	18702	RA1950rad	3.61296672	DE1950rad	0.37566088	PmRA2000	-0.003
PmDE2000	0.019

Hipparcos

Catalog	H	HIP	67543	Proxy		RAhms	13 50 23.53
DEdms	+21 16 35.7	Vmag	6.82	VarFlag		R Vmag	H
RAdeg	207.598	DEdeg	21.2766	AstroRef		Plx	9.65
CCDM	13504+2116	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	120651	BD	BD+21 2580
CD		CP		Dm number	+21 2580	VIred	0.94
SpType	G0	R SpType		Coord arcsec 2000	135023.53+211635.7

Hipparcos 2

HIP	67543	Sn	5	So	0	Nc	1
RArad	3.6232691223	DErad	0.371346521	Plx	9.46	PmRA	-33.92
PmDE	7.2	E RArad	0.46	E DErad	0.32	E Plx	0.55
E pmRA	0.48	E pmDE	0.33	Hpmag	6.9834	E Hpmag	0.001
SHp	0.009	VA	0	BV	0.94	E BV	0.007
VI	0.93

13504+2117 B

Componente originario normalizzato	AB	Coord arcsec 2000	135020.77+211520.0	Mag	7.37	PmRA	-36.00
PmDE	16.0	SAO	83021	HIP	67540	Tycho2	1466-00376-1
HD	120636	GC	18700	BD	BD+21 2579	Calc delta mag	0.44
Calc coord	yes

Tycho2

Tycho2	1466-00376-1	Pflag		RAmdeg	207.58585061	DEmdeg	21.25561981
PmRA	-35.9	PmDE	16.5	E RAmdeg	4	E DEmdeg	5
E pmRA	1.1	E pmDE	1.0	EpRAm	1991.54	EpDEm	1991.27
Num	12	Q RAmdeg	0.8	Q DEmdeg	0.4	Q pmRA	0.7
Q pmDE	0.4	BTmag	8.421	E BTmag	0.016	VTmag	7.371
E VTmag	0.010	Prox	858	TYC	T	HIP	67540
CCDM		RAdeg	207.58593861	DEdeg	21.25558167	EpRA 1990	1.79
EpDE 1990	1.70	E RAdeg	4.2	E DEdeg	5.0	Posflg
Corr	0.2

SAO

SAO	83021	DelFlag		RA1950		PmRA1950	-0.003
DE1950		PmDE1950	0.019	Vmag	7.4	SpType	G0
Double code		Source	70	CatNum	18700	DM	BD+21 2579
DMcomp		BDsup		HD	120636	M HD	0
GC	18700	RA1950rad	3.61275473	DE1950rad	0.3752953	PmRA2000	-0.003
PmDE2000	0.023

Hipparcos

Catalog	H	HIP	67540	Proxy		RAhms	13 50 20.63
DEdms	+21 15 20.1	Vmag	7.29	VarFlag		R Vmag	H
RAdeg	207.586	DEdeg	21.2556	AstroRef		Plx	9.08
CCDM	13504+2116	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	120636	BD	BD+21 2579
CD		CP		Dm number	+21 2579	VIred	0.91
SpType	G0	R SpType		Coord arcsec 2000	135020.63+211520.1

Hipparcos 2

HIP	67540	Sn	5	So	0	Nc	1
RArad	3.623058221	DErad	0.3709798552	Plx	9.93	PmRA	-36.44
PmDE	15.75	E RArad	0.51	E DErad	0.33	E Plx	0.62
E pmRA	0.52	E pmDE	0.34	Hpmag	7.4475	E Hpmag	0.0006
SHp	0.01	VA	0	BV	0.903	E BV	0.009
VI	0.9