06181+1828 TDS 3717 (HD 254684)

06^h 18^m 06.37^s +18° 27' 56.2" P.A. 125.00 sep 1.1 mag 11.07,11.83

Coord 2000	06181+1828	Discov num	TDS3717	Comp		Coord arcsec 2000	06 18 06.37 +18 27 56.2
Date first	1991	Date last	1991	Obs	1
Pa first	125	Pa last	125.2	P.A. Now (θ)	125.2°
Sep first	1.1	Sep last	1.07	Sep. Now (ρ)	1.07"
Mag pri	11.07	Mag sec	11.83	delta mag (ΔM)	0.76	Spectral class
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	-006	Sec motion dec	-006
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 254684		Constellation	Orion		Tycho2	1319-00411-1		Gaia DR2	3370767819410496384
HD	254684

WDS 06181+1828 TDS 3717 (HD 254684) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
06181+1828	TDS3717		1991	1	125	1.1	11.07	11.83			061806.37+182756.2

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WDS 06181+1828 TDS 3717 (HD 254684) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 06181+1828 TDS 3717 (HD 254684) : MEASURES

No records found.

WDS 06181+1828 (HD 254684) : VIRTUAL EYEPIECE

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

WDS 06181+1828 (HD 254684) : ALADIN DSS IMAGE @ 06^h 18^m 06.37^s +18° 27' 56.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 06181+1828 TDS 3717 (HD 254684) : 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		06181+1828	TDS3717		125	1.1
Show		06172+1824	COU 579		343	1.0	10
Show		06168+1821	J 1935		97	5.9	19
Show		06184+1831	J 1939		261	7.7	19
Show		06166+1823	OCC 928		-1	0.2	23
Show		06168+1813	J 1934		20	14.1	27
Show		06167+1852	SCA 45		325	11.9	32
Show		06164+1807	TDS 232		135	0.9	33
Show		06157+1818	OCC 457		-1	-1.0	36
Show		06207+1832	A 2516		107	0.8	37
Show		06189+1906	KPP1923		139	15.1	40
Show		06165+1901	BU 894		134	5.1	40
Show		06154+1813	J 684		258	2.6	43
Show		06206+1803	STTA 75		130	47.2	44
Show		06154+1856	SCA 43	AB	6	15.7	48
Show		06154+1856	VAS 7	AC	10	34.0	48
Show		06154+1856	VAS 7	BC	14	18.4	48
Show		06213+1843	TDS3765		253	1.1	49
Show		06155+1902	CXT 2	AB	196	7.1	51
Show		06155+1902	CXT 2	AC	283	13.5	51
Show		06155+1902	CXT 2	AD	266	21.4	51
Show		06155+1902	CXT 2	AE	183	19.1	51
Show		06155+1902	ABH 40	AF	198	44.8	51
Show		06198+1741	J 973	BC	320	3.2	53
Show		06198+1741	J 973	AB	324	25.1	54
Show		06138+1822	SCA 41	BC	332	17.7	62
Show		06145+1754	KUI 24		144	0.3	62
Show		06148+1909	HJ 2302	AB	186	8.0	63
Show		06148+1909	HJ 2302	AC	283	65.5	63
Show		06148+1909	HJ 2302	AD	265	71.2	63
Show		06137+1824	OCC 441		-1	0.1	63
Show		06153+1740	TDS3669		222	1.6	63
Show		06148+1909	HLM 4	DC	18	21.7	63
Show		06141+1858	J 19		135	2.7	64
Show		06140+1900	ST 5		310	1.7	67
Show		06144+1746	HEI 2		54	4.7	68
Show		06147+1917	OCC 604		-1	0.1	69
Show		06135+1804	TDS3639		151	0.8	70
Show		06163+1936	SCA 44		292	37.5	73
Show		06155+1931	A 2446		103	2.9	74
Show		06179+1942	TDS3713		334	1.6	75
Show		06214+1931	HJ 2313		86	4.4	78
Show		06132+1901	OCC 927		-1	0.1	78
Show		06146+1725	J 683		3	1.4	81
Show		06226+1918	J 1349		4	3.5	81
Show		06232+1909	J 975		211	3.1	82
Show		06215+1718	TOK 879			1.4	86
Show		06228+1734	STF 899		17	2.2	86
Show		06122+1845	STJ 24		40	1.4	87
Show		06195+1952	SCA 47		193	18.4	87
Show		06135+1732	GWP 765	AB	348	29.1	87

WDS 06181+1828 : COMPONENTS

	A
B	pa=126.6° sep=1.03"

06181+1828 A

Componente originario normalizzato	AB		Name	HD 254684		Coord arcsec 2000	061806.37+182756.2		Mag	11.07
PmRA	4.00		PmDE	-6.0		Tycho2	1319-00411-1		HD	254684

Tycho2

Tycho2	1319-00411-1	Pflag		RAmdeg	94.52656588	DEmdeg	18.46558653
PmRA	3.7	PmDE	-6.2	E RAmdeg	27	E DEmdeg	34
E pmRA	1.2	E pmDE	1.3	EpRAm	1982.65	EpDEm	1977.30
Num	5	Q RAmdeg	1.5	Q DEmdeg	1.1	Q pmRA	1.6
Q pmDE	1.2	BTmag	11.502	E BTmag	0.075	VTmag	10.876
E VTmag	0.069	Prox	999	TYC		HIP
CCDM		RAdeg	94.52656611	DEdeg	18.46559833	EpRA 1990	1.88
EpDE 1990	1.91	E RAdeg	34.2	E DEdeg	53.1	Posflg
Corr	0.0

06181+1828 B

Componente originario normalizzato	AB		Coord arcsec 2000	061806.43+182755.6		Mag	11.83		PmRA	4.00
PmDE	-6.0		Calc delta mag	0.76		Calc coord	yes