15073+2452 ENG 52 AB (45 Boo)

15^h 07^m 18.06^s +24° 52' 09.1" P.A. 39.00 sep 103.4 mag 4.97,11.53 Sp F5V dist. 19.55 pc (63.77 l.y.)

Coord 2000	15073+2452	Discov num	ENG 52	Comp	AB	Coord arcsec 2000	15 07 18.06 +24 52 09.1
Date first	1888	Date last	2020	Obs	16
Pa first	55	Pa last	39.4	P.A. Now (θ)	39.4°
Sep first	108.2	Sep last	103.406	Sep. Now (ρ)	103.406"
Mag pri	4.97	Mag sec	11.53	delta mag (ΔM)	6.56	Spectral class	F5V (yellow-white)
Pri motion ra	+185	Sec motion ra	+017
Pri motion dec	-164	Sec motion dec	-030
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

rPM=0.869

This double is not physical.

15073+2452 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	45 Boo	83671	15 07 18 +24 52 09	ENG 52 AB	2020	16	39	103.4	4.97	11.53	6.56		<===
Show		83671	15 07 18 +24 52 09	ENG 52 AC	2020	20	12	257.6	4.97	10.23	5.26
Show			15 07 23 +24 53 26	ENG 52 BC	2015	23	357	169.8	11.53	10.23	1.30

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	45 Boo	Var name	NSV6945 Boo	Constellation	Bootes	SAO	83671
HIP	73996	Tycho2	2024-01355-1	Gaia DR2	1264630412816366720	HD	134083
HR	5634	GC	20342	GL	Gl 578	BD	BD+25 2873
Flamsteed	45 Bootis	Flamsteed name	45 Boo	FK5	1396	Distance	19.55
Distance ly	63.77

WDS 15073+2452 ENG 52 AB (45 Boo) : NOTES

discov_num	notes	refcode
ENG 52	45 Boo.
	AB and AC: Optical pairs, based on study of relative motion of the
	components using the method of apparent motion parameters.	Kiy2008
	AC: Rectilinear solution by Hurowitz et al. (2014).	USN2014a

REFERENCES

refcode	metd	author	reference
Kiy2008	-	Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S.	2008SvAL...32..405K
Kiy2008		SvAL 34, 405, 2008
USN2014a	lin -	Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D.	2014IAUDS.182....1H
USN2014a		Inf. Circ. 182, 1, 2014

DISCOVERER

idgroup	discov	author
1	ENG	changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15073+2452	ENG 52	AB	1999	10	42	103.8	4.93	10.80	F5V	N D	150717.95+245210.5
15073+2452	ENG 52	AB	2001	11	42	103.2	4.97	10.80	F5V	N D	150717.95+245210.5
15073+2452	ENG 52	AB	2012	12	40	103.5	4.97	11.53	F5V	NU	150717.95+245210.5
15073+2452	ENG 52	AB	2015	15	40	103.7	4.97	11.53	F5V	NU	150718.06+245209.1
15073+2452	ENG 52	AB	2020	16	39	103.4	4.97	11.53	F5V	NL U	150718.06+245209.1

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

WDS 15073+2452 ENG 52 AB (45 Boo) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15073+2452 ENG 52 AB (45 Boo) : MEASURES

No records found.

WDS 15073+2452 (45 Boo) : 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 15073+2452 (45 Boo) : ALADIN DSS IMAGE @ 15^h 07^m 18.06^s +24° 52' 09.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15073+2452 ENG 52 AB (45 Boo) : 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		15073+2452	ENG 52	AB	39	103.4
Show		15073+2452	ENG 52	AC	12	257.6
Show		15073+2452	ENG 52	BC	357	169.8	2
Show		15086+2507	HJ 2766		331	57.6	23
Show		15060+2419	SLW1060		133	102.4	38
Show		15091+2401	LSC 149		343	0.6	57
Show		15104+2410	POU3180		304	18.9	60
Show		15093+2350	TDS9419	AB	148	0.5	68
Show		15080+2343	KPP3946		112	1.8	70
Show		15050+2622	SLW1058		277	82.0	96
Show		15137+2533	NSN 663		300	3.5	97
Show		15130+2355	POU3181		150	12.1	97
Show		15044+2621	RAO 662		359	1.1	98
Show		15138+2536	COU 306		246	2.5	99
Show		15094+2317	POU3179		322	12.1	100
Show		15136+2356	POU3182		176	7.9	103
Show		15141+2545	STF1924		306	15.2	107
Show		15154+2437	POU3183		106	12.5	112
Show		15004+2558	COU 609		58	3.1	115
Show		15156+2430	CBL 483		2	41.3	116
Show		15152+2357	LDS4540		335	161.3	122
Show		15106+2649	UC 2948		270	28.5	126
Show		15008+2306	LDS4521		339	26.2	139
Show		15021+2656	SLW1054		345	29.0	143
Show		14591+2624	LDS4518		228	18.0	144
Show		15047+2232	SLW1057		280	20.3	145
Show		15171+2350	CVR 781		219	13.1	148
Show		15173+2552	KPP1217		300	9.4	149
Show		15183+2500	HJ 2774		248	17.0	151
Show		15048+2225	RAO 504	Aa,Ab	-1	0.2	152
Show		14574+2341	ZHN 27		144	4.0	153
Show		14593+2306	CVR 771		48	29.8	153
Show		15115+2718	GRV 898		110	27.4	157
Show		15175+2619	COU 483		176	0.7	163
Show		15171+2320	POU3184		52	4.4	163
Show		15186+2356	COU 307		358	0.3	164
Show		15190+2541	LDS6304		159	3.3	166
Show		15195+2515	COU 308		355	1.4	168
Show		14549+2439	SLW1043		53	10.0	170
Show		15098+2738	LDS4533		168	7.8	170
Show		15100+2206	CVR 162		85	24.7	171
Show		14548+2411	COU 409	Aa,Ab	214	0.5	176
Show		14548+2411	HJ 2755	AB	254	20.8	176
Show		14552+2557	CVR 765		22	14.7	177
Show		14589+2238	HU 906		15	0.8	178
Show		15171+2650	HEI 6		5	2.3	178
Show		15155+2233	STT 293		345	10.9	179
Show		15175+2647	KPP3951		30	2.6	180
Show		15089+2152	RAO 328		50	0.8	182
Show		15100+2751	COU 410		154	0.2	183
Show		14543+2542	CVR 764		300	13.5	184

WDS 15073+2452 : COMPONENTS

	A	B
B	pa=42.0° sep=103.97"
C	pa=11.0° sep=256.63"	pa=353.3° sep=175.82"

15073+2452 A

Name	45 Boo	Coord arcsec 2000	150718.06+245209.1	Mag	4.97	Spectral class	F5V (yellow-white)
PmRA	185.00	PmDE	-164.0	SAO	83671	HIP	73996
Tycho2	2024-01355-1	HD	134083	HR	5634	GC	20342
BD	BD+25 2873	Flamsteed	45 Bootis	Flamsteed name	45 Boo	FK5	1396

Tycho2

Tycho2	2024-01355-1	Pflag		RAmdeg	226.82527678	DEmdeg	24.86919657
PmRA	184.9	PmDE	-163.8	E RAmdeg	3	E DEmdeg	3
E pmRA	0.7	E pmDE	0.7	EpRAm	1991.29	EpDEm	1991.31
Num	20	Q RAmdeg	1.0	Q DEmdeg	1.0	Q pmRA	0.9
Q pmDE	1.1	BTmag	5.432	E BTmag	0.014	VTmag	4.974
E VTmag	0.009	Prox	999	TYC	T	HIP	73996
CCDM		RAdeg	226.82480361	DEdeg	24.86957778	EpRA 1990	1.65
EpDE 1990	1.62	E RAdeg	3.2	E DEdeg	3.4	Posflg
Corr	0.0

SAO

SAO	83671	DelFlag		RA1950		PmRA1950	0.0136
DE1950		PmDE1950	-0.171	Vmag	5	SpType	F0
Double code		Source	74	CatNum	1396	DM	BD+25 2873
DMcomp		BDsup		HD	134083	M HD	0
GC	20342	RA1950rad	3.94925822	DE1950rad	0.43742935	PmRA2000	0.0137
PmDE2000	-0.167

Hipparcos

Catalog	H	HIP	73996	Proxy		RAhms	15 07 17.95
DEdms	+24 52 10.5	Vmag	4.93	VarFlag		R Vmag	G
RAdeg	226.825	DEdeg	24.8696	AstroRef		Plx	50.7
CCDM	15074+2453	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	134083	BD	BD+25 2873
CD		CP		Dm number	+25 2873	VIred	0.51
SpType	F5V	R SpType		Coord arcsec 2000	150717.95+245210.5

Hipparcos 2

HIP	73996	Sn	5	So	0	Nc	1
RArad	3.9588392261	DErad	0.4340562794	Plx	51.14	PmRA	185.09
PmDE	-163.79	E RArad	0.23	E DErad	0.19	E Plx	0.31
E pmRA	0.31	E pmDE	0.3	Hpmag	5.0253	E Hpmag	0.0005
SHp	0.004	VA	0	BV	0.429	E BV	0.006
VI	0.51

15073+2452 B

Coord arcsec 2000	150723.17+245326.4		Coord calc	150723.17+245326.4		Mag	11.53		PmRA	17.00
PmDE	-30.0		Calc delta mag	6.56

15073+2452 C

Coord arcsec 2000	150721.66+245621.0		Mag	10.23		PmRA	-840.00		PmDE	499.0
Tycho2	2024-01358-1		Calc delta mag	5.26		Calc coord	yes

Tycho2

Tycho2	2024-01358-1	Pflag		RAmdeg	226.84828234	DEmdeg	24.93552565
PmRA	-839.8	PmDE	499.2	E RAmdeg	25	E DEmdeg	31
E pmRA	2.4	E pmDE	2.4	EpRAm	1990.51	EpDEm	1989.74
Num	3	Q RAmdeg	1.2	Q DEmdeg	2.3	Q pmRA	1.2
Q pmDE	2.3	BTmag	11.965	E BTmag	0.093	VTmag	10.230
E VTmag	0.034	Prox	999	TYC	T	HIP
CCDM		RAdeg	226.85042000	DEdeg	24.93436389	EpRA 1990	1.69
EpDE 1990	1.62	E RAdeg	25.3	E DEdeg	31.3	Posflg
Corr	0.0