18142+2127 BIG 2 (HD 341866)

18^h 14^m 11.85^s +21° 26' 52.0" P.A. 140.00 sep 34.5 mag 9.70,11.70 Sp K0

Coord 2000	18142+2127	Discov num	BIG 2	Comp		Coord arcsec 2000	18 14 11.85 +21 26 52.0
Date first	1893	Date last	2016	Obs	13
Pa first	142	Pa last	140.4	P.A. Now (θ)	140.4°
Sep first	35.5	Sep last	34.484	Sep. Now (ρ)	34.484"
Mag pri	9.70	Mag sec	11.70	delta mag (ΔM)	2	Spectral class	K0 (yellow-orange)
Pri motion ra	+002	Sec motion ra	+008
Pri motion dec	+000	Sec motion dec	+007
Notes

rPM=0.867

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 341866		Constellation	Hercules		Tycho2	1579-01379-1		Gaia DR2	4529777422985438464
HD	341866

WDS 18142+2127 BIG 2 (HD 341866) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Big1883	Ma j	Bigourdan, G.	.
Big1883		Ann. Obs. Paris - Observations H1, 1883
Big1895	Ma j	Bigourdan, G.	1895AnPar..21E...1B
Big1895		Ann. Obs. Paris - Memoirs 21, E1, 1895
Big1895b	Ma j	Bigourdan, G.	1895BuAsI..12..298B
Big1895b		Bull. Astronomique 12, 298, 1895
Big1903	Ma -	Bigourdan, G.	1903MNRAS..63..403.
Big1903		MNRAS 63, 403, 1903
Big1906B	Ma -	Bigourdan, G.	1906MmRAS..56....1L
Big1906B		cited by Lewis (MemRAS 56, 1, 1906)
Big1913A	Ma -	Bigourdan, G.	1913QB811.B8.......
Big1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Big1937A	-	Bigourdan, G.	1937AnLei..18....1S
Big1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18142+2127	BIG 2		2000	4	141	34.5	9.70	11.70	K0		181411.85+212652.0
18142+2127	BIG 2		2001	5	141	34.5	9.70	11.70	K0		181411.85+212652.0
18142+2127	BIG 2		2010	6	141	34.4	9.70	11.70	K0		181411.85+212652.0
18142+2127	BIG 2		2015	7	141	34.2	9.70	11.70	K0		181411.85+212652.0
18142+2127	BIG 2		2016	8	141	34.5	9.70	11.70	K0		181411.85+212652.0

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

WDS 18142+2127 BIG 2 (HD 341866) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18142+2127 BIG 2 (HD 341866) : MEASURES

No records found.

WDS 18142+2127 (HD 341866) : VIRTUAL EYEPIECE

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WDS 18142+2127 (HD 341866) : ALADIN DSS IMAGE @ 18^h 14^m 11.85^s +21° 26' 52.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18142+2127 BIG 2 (HD 341866) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18142+2127	BIG 2		140	34.5
Show		18144+2127	HJ 2828		109	16.4	3
Show		18151+2136	LDS4780		206	124.5	16
Show		18133+2118	TDT 743		68	1.0	16
Show		18135+2142	TDS 909		21	1.6	18
Show		18162+2211	TDT 766		213	2.4	53
Show		18103+2128	BRT2442	BC	74	3.9	55
Show		18103+2128	HEI9002	A,BC	59	14.4	55
Show		18183+2114	LDS4784		61	121.3	59
Show		18155+2030	RAO 385		87	0.8	60
Show		18099+2128	LAW 6		267	1.1	61
Show		18097+2107	COU 117		49	2.4	67
Show		18130+2232	HJ 2825	AB	31	14.5	68
Show		18130+2232	HJ 2825	AC	343	90.4	68
Show		18141+2235	TDT 755		77	1.8	69
Show		18140+2017	HO 268		180	1.0	71
Show		18166+2022	KPP3329		203	1.5	73
Show		18124+2236	KPP4091		171	1.9	74
Show		18163+2016	HO 269		152	8.9	77
Show		18173+2025	J 759		82	2.5	77
Show		18153+2012	J 2124		348	3.9	77
Show		18085+2113	TDT 703		176	0.7	81
Show		18200+2120	AG 221	AB	12	1.8	82
Show		18200+2120	AG 221	AC	9	9.7	82
Show		18088+2049	AGC 8		136	23.5	86
Show		18165+2249	HU 319	AB	125	0.3	88
Show		18165+2249	HU 319	AC	201	2.8	88
Show		18203+2104	HDS2592		184	0.2	89
Show		18206+2126	UC 3554		172	16.8	90
Show		18205+2055	COU 202		294	0.2	94
Show		18144+1953	HDS2576		68	1.0	95
Show		18204+2048	WFC 206		45	9.4	95
Show		18163+2301	TDT 769	AB	22	0.5	99
Show		18163+2301	GII 263	Aa,Ab	136	0.1	99
Show		18163+2301	TDT 769	AC	286	2.0	99
Show		18172+1955	TDT 775		156	0.9	101
Show		18154+1946	STT 346		329	5.3	103
Show		18134+1941	GWP2769		117	92.1	107
Show		18218+2130	BU 641		341	0.8	107
Show		18208+2114	FUR 3		324	2.4	107
Show		18148+2314	POU3366		238	13.7	108
Show		18218+2115	FUR 4		32	3.1	108
Show		18171+2315	POU3378		200	4.3	116
Show		18122+1935	BRT2443		117	6.3	116
Show		18175+2312	POU3381		88	14.4	116
Show		18156+2321	SLE 148		189	20.0	116
Show		18058+2127	STT 341	AB	89	0.3	117
Show		18058+2127	STT 341	AB,E	38	66.5	117
Show		18058+2127	STT 341	AB,F	357	111.6	117
Show		18058+2127	STT 341	AB,G	239	132.5	117
Show		18058+2127	MET 82	AH	63	2.6	117

WDS 18142+2127 : COMPONENTS

	A
B	pa=142.4° sep=33.53"

18142+2127 A

Componente originario normalizzato	AB	Name	HD 341866	Coord arcsec 2000	181411.85+212652.0	Mag	9.7
Spectral class	K0 (yellow-orange)	PmRA	2.00	PmDE	0.0	Tycho2	1579-01379-1
HD	341866

Tycho2

Tycho2	1579-01379-1	Pflag		RAmdeg	273.54935266	DEmdeg	21.44778463
PmRA	2.4	PmDE	0.1	E RAmdeg	16	E DEmdeg	14
E pmRA	1.2	E pmDE	1.2	EpRAm	1988.01	EpDEm	1989.12
Num	9	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.8
Q pmDE	1.1	BTmag	11.028	E BTmag	0.039	VTmag	9.856
E VTmag	0.022	Prox	999	TYC	T	HIP
CCDM		RAdeg	273.54934444	DEdeg	21.44778444	EpRA 1990	1.39
EpDE 1990	1.65	E RAdeg	18.2	E DEdeg	15.3	Posflg
Corr	-0.2

18142+2127 B

Componente originario normalizzato	AB		Coord arcsec 2000	181413.32+212625.4		Mag	11.7		PmRA	8.00
PmDE	7.0		Calc delta mag	2		Calc coord	yes