20465+6717 MLR 73 (HD 198454)

20^h 46^m 32.32^s +67° 16' 32.4" P.A. 37.00 sep 6.3 mag 8.20,11.71 Sp B9 dist. 413.22 pc (1347.92 l.y.)

Coord 2000	20465+6717	Discov num	MLR 73	Comp		Coord arcsec 2000	20 46 32.32 +67 16 32.4
Date first	1894	Date last	2015	Obs	16
Pa first	42	Pa last	37.4	P.A. Now (θ)	37.4°
Sep first	6.5	Sep last	6.336	Sep. Now (ρ)	6.336"
Mag pri	8.20	Mag sec	11.71	delta mag (ΔM)	3.51	Spectral class	B9 (blue-white)
Pri motion ra	-011	Sec motion ra	+063
Pri motion dec	-017	Sec motion dec	+090
Notes

rPM=1.184

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 198454	Constellation	Cepheus	SAO	19036	HIP	102518
Tycho2	4258-00757-1	Gaia DR2	2246116541160551424	HD	198454	BD	BD+66 1326
Distance	413.22	Distance ly	1347.92

WDS 20465+6717 MLR 73 (HD 198454) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Mlr1938	Ma -	Muller, P.	1938JO.....21..113M
Mlr1938	+Mc	J. Obs. 21, 113, 1938
Mlr1939	-	Muller, P.	1939JO.....22..181M
Mlr1939		J. Obs. 22, 181, 1939 (all data published elsewhere)
Mlr1946a	Ma -	Muller, P.	1946JO.....29...69M
Mlr1946a	+Mc	J. Obs. 29, 69, 1946
Mlr1946b	Mc -	Muller, P. (measure by Danjon, A.)	1946JO.....29...69M
Mlr1946b		J. Obs. 29, 69, 1946
Mlr1947	Ma -	Muller, P.	1947JO.....30..104M
Mlr1947	+Mc	J. Obs. 30, 104, 1947
Mlr1948	Md -	Muller, P.	1948AnStr...5....1M
Mlr1948		Ann. Obs. Strasbourg 5, pt. 1, 1948
Mlr1948		(Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1948		for measures; default date = decade of publication added.)
Mlr1949a	Md -	Muller, P.	1949AnStr...5....2M
Mlr1949a		Ann. Obs. Strasbourg 5, pt. 2, 1949
Mlr1949a		(Visual measures with double-image micrometer and 49cm refractor. No dates given
Mlr1949a		for measures; default date = decade of publication added.)
Mlr1949b	Mc -	Muller, P.	1949JO.....32...77M
Mlr1949b		J. Obs. 32, 77, 1949
Mlr1949c	orb -	Muller, P.	1949JO.....32...34M
Mlr1949c		J. Obs. 32, 34, 1949
Mlr1950a	Mc -	Muller, P.	1950JO.....33...93M
Mlr1950a		J. Obs. 33, 93, 1950
Mlr1950b	Mc -	Muller, P.	1950JO.....33..105M
Mlr1950b		J. Obs. 33, 105, 1950
Mlr1951a	Mc -	Muller, P.	1951JO.....34...81M
Mlr1951a		J. Obs. 34, 81, 1951
Mlr1951b	Md -	Muller, P.	1951AnStr...5....3M
Mlr1951b		Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951b		(Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1951b		for measures; default date = decade of publication added.)
Mlr1951c	Md -	Muller, P.	1951AnStr...5....3M
Mlr1951c		Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951c		(Visual measures with double-image micrometer on 23 and 60cm refractors at
Mlr1951c		Pic-du-Midi. See Mlr1950b. No dates listed; default date = decade of publication.)
Mlr1952a	Mc -	Muller, P.	1952JO.....35...95M
Mlr1952a		J. Obs. 35, 95, 1952
Mlr1952b	orb -	Muller, P.	.
Mlr1952b		Bull. Astron. Paris 16, 203-212, 1952
Mlr1952c	Md -	Muller, P.	1952AnStr...5....4M
Mlr1952c		Ann. Obs. Strasbourg 5, pt. 4, 1952
Mlr1952c		(Visual measures with double-image micrometer and various filters on 16 and 49 cm
Mlr1952c		refractors at Strasbourg and 60cm at Pic-du-Midi. Measures listed as "III" are
Mlr1952c		tabulated. Some of these measures are incorporated in earlier MLR lists. No dates
Mlr1952c		listed; default date = decade of publication.)
Mlr1952d	orb -	Muller, P.	.
Mlr1952d		Bull. Astron. Paris 16, 263-275, 1952
Mlr1952e	orb -	Muller, P.	.
Mlr1952e		Bull. Astron. Paris 16, 277-282, 1952
Mlr1952f	-	Muller, P.	1952POHP....2...49M
Mlr1952f		Pub. Obs. Haute Provence 2, #49, 1952
Mlr1952g	Md -	Muller, P.	1952JO.....35..177M
Mlr1952g	+Mc	J. Obs. 35, 177, 1952
Mlr1953a	-	Muller, P.	1953JO.....36..104M
Mlr1953a		J. Obs. 36, 104, 1953
Mlr1953b	Mc -	Muller, P.	1953JO.....36..130M
Mlr1953b		J. Obs. 36, 130, 1953
Mlr1954a	Mc -	Muller, P.	1954AJ.....59..388M
Mlr1954a	+orb	AJ 59, 388, 1954
Mlr1954b	orb -	Muller, P.	1954JO.....37...61M
Mlr1954b		J. Obs. 37, 61-72, 1954
Mlr1954c	Mc -	Muller, P.	1954JO.....37..125M
Mlr1954c		J. Obs. 37, 125, 1954
Mlr1954d	-	Muller, P.	1954JO.....37..169M
Mlr1954d		J. Obs. 37, 169, 1954
Mlr1955a	orb -	Muller, P.	1955JO.....38...17M
Mlr1955a		J. Obs. 38, 17-26, 1955
Mlr1955b	orb -	Muller, P.	1955JO.....38...58M
Mlr1955b		J. Obs. 38, 58-64, 1955
Mlr1955c	Mc -	Muller, P.	1955JO.....38..221M
Mlr1955c		J. Obs. 38, 221, 1955
Mlr1956a	Mc -	Muller, P.	1956JO.....39..127M
Mlr1956a		J. Obs. 39, 127, 1956
Mlr1956b	orb -	Muller, P.	1956AnStr...5...29M
Mlr1956b		Ann. Obs. Strasbourg 5 pt. 29, 1956
Mlr1956c	orb -	Muller, P.	.
Mlr1956c		Bull. Astron. Paris 20, 145, 1956
Mlr1956d	Mc -	Muller, P.	1956JO.....39..181M
Mlr1956d		J. Obs. 39, 183, 1956
Mlr1957a	orb -	Muller, P.	.
Mlr1957a		Bull. Astron. Paris 21, 131, 1957
Mlr1957b	orb -	Muller, P.	1957JO.....40...48M
Mlr1957b		J. Obs. 40, 48, 1957
Mlr1957c	Mc -	Muller, P.	1958JO.....40..157M
Mlr1957c		J. Obs. 40, 157, 1957
Mlr1958	Mc -	Muller, P.	1958JO.....41..109M
Mlr1958		J. Obs. 41, 109, 1958
Mlr1959	Mc -	Muller, P.	1959JO.....42...85M
Mlr1959		J. Obs. 42, 85, 1959
Mlr1963	orb -	Muller, P.	.
Mlr1963		Bull. Astron. Paris 24, 1, 1963
Mlr1966a	Mc -	Muller, P.	1966JO.....49..335M
Mlr1966a		J. Obs. 49, 335, 1966
Mlr1966b	orb -	Muller, P.	1966IAUDS..39....1M
Mlr1966b		Inf. Circ. 39, 1, 1966
Mlr1970	Ma -	Muller, P.	1970A&AS....1..399M
Mlr1970		A&AS 1, 399, 1970
Mlr1973a	Ma -	Muller, P.	.
Mlr1973a	+Mc	Pub. Obs. Paris, June 1973
Mlr1973b	orb -	Muller, P.	1973IAUDS..59....1M
Mlr1973b		Inf. Circ. 59, 1, 1973
Mlr1973c	Ma -	Muller, P.	1973IAUDS..60....1M
Mlr1973c		Inf. Circ. 60, 1, 1973
Mlr1973d	Ma -	Muller, P.	1973IAUDS..61R...1M
Mlr1973d		Inf. Circ. 61, 1, 1973
Mlr1974b	Ma -	Muller, P.	1974IAUDS..62....1M
Mlr1974b		Inf. Circ. 62, 1, 1974
Mlr1974	orb -	Muller, P.	1974A&AS...13...99M
Mlr1974		A&AS 13, 99, 1974
Mlr1975a	Ma -	Muller, P.	1975IAUDS..64....1M
Mlr1975a		Inf. Circ. 64, 1, 1975
Mlr1975b	Ma -	Muller, P.	1975IAUDS..67....1M
Mlr1975b		Inf. Circ. 67, 1, 1975
Mlr1976b	Ma -	Muller, P.	1976IAUDS..70....1M
Mlr1976b		Inf. Circ. 70, 1, 1976
Mlr1976	Mc -	Muller, P.	1976A&AS...23..205M
Mlr1976		A&AS 23, 205, 1976
Mlr1978a	orb -	Muller, P.	1978A&AS...32..173M
Mlr1978a		A&AS 32, 173, 1978
Mlr1978b	Ma -	Muller, P.	1978A&AS...33..275M
Mlr1978b		A&AS 33, 275, 1978
Mlr1980a	Ma -	Muller, P.	1980IAUDS..81....1M
Mlr1980a		Inf. Circ. 81, 1, 1980
Mlr1980b	Ma -	Muller, P.	1980IAUDS..82....1M
Mlr1980b		Inf. Circ. 82, 1, 1980
Mlr1981	Ma -	Muller, P.	1981IAUDS..85....1M
Mlr1981		Inf. Circ. 85, 1, 1981
Mlr1982	Ma -	Muller, P.	1982IAUDS..88....1M
Mlr1982		Inf. Circ. 88, 1, 1982
Mlr1983	Ma -	Muller, P.	1983IAUDS..90....1M
Mlr1983		Inf. Circ. 90, 1, 1983
Mlr1984	Ma j	Muller, P.	1984A&AS...57..467M
Mlr1984		A&AS 57, 467, 1984
Mlr1986	Ma -	Muller, P.	1986IAUDS..98....1M
Mlr1986		Inf. Circ. 98, 1, 1986
Mlr1987A	Ma -	Muller, P.	1987A&A....70..193C
Mlr1987A		cited by Couteau (A&A 70, 193, 1987)
Mlr1990	Ma j	Muller, P.	1990A&AS...84..619M
Mlr1990		A&AS 84, 619, 1990
Mlr1991b	orb -	Muller, P.	1991O&T....28...12M
Mlr1991b		Obs. et Travaux 28, 12, 1991
Mlr1991	orb -	Muller, P.	1991IAUDS.115....1M
Mlr1991		Inf. Circ. 115, 1, 1991
Mlr1993	Ma j	Muller, P.	1993A&AS..102..643M
Mlr1993		A&AS 102, 643, 1993
Mlr1993b	-	Muller, P.	1993O&T....33....9M
Mlr1993b		Obs. et Travaux 33, 9, 1993
Mlr1997	Ma -	Muller, P.	1997A&AS..126..273M
Mlr1997		A&AS 126, 273, 1997
Mlr2006	Ma -	Muller, P. (article by P. Durand & C. Pinlou)	2006O&T....64...16D
Mlr2006		Obs. et Travaux 64, 16, 2006

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20465+6717	MLR 73		1999	10	38	6.3	8.20	11.71	B9	D	204632.32+671632.4
20465+6717	MLR 73		2004	11	37	6.3	8.20	11.71	B9	D	204632.32+671632.4
20465+6717	MLR 73		2015	12	37	6.3	8.20	11.71	B9		204632.32+671632.4

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

WDS 20465+6717 MLR 73 (HD 198454) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20465+6717 MLR 73 (HD 198454) : MEASURES

No records found.

WDS 20465+6717 (HD 198454) : VIRTUAL EYEPIECE

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

WDS 20465+6717 (HD 198454) : ALADIN DSS IMAGE @ 20^h 46^m 32.32^s +67° 16' 32.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20465+6717 MLR 73 (HD 198454) : 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		20465+6717	MLR 73		37	6.3
Show		20509+6708	MLB 301		333	4.9	27
Show		20415+6710	MLB 300		18	1.7	31
Show		20517+6701	MLB 302		324	4.9	35
Show		20573+6645	MLB 268		332	5.8	71
Show		20369+6818	MLB 299		204	7.6	83
Show		20339+6801	MLB1089		354	9.2	85
Show		21022+6723	KPP4220		302	1.2	91
Show		20492+6547	MLB 267		222	3.4	92
Show		20376+6834	TDT2433		101	1.0	93
Show		21015+6643	HU 959		164	1.3	95
Show		20300+6726	KPP4203	AC	293	5.4	96
Show		20584+6611	FOX 96		123	2.2	97
Show		20333+6616	TDT2367		285	0.4	100
Show		20302+6644	SKF2611		299	128.4	101
Show		21016+6810	LI 6	AB	168	2.5	101
Show		20296+6648	MLR 67		250	0.6	103
Show		20527+6537	TOI1288	AB	313	0.1	107
Show		20527+6537	TOI1288	AC	289	1.1	107
Show		20290+6640	MLR 66		111	2.6	109
Show		20506+6529	SKF2613		205	41.4	111
Show		20274+6706	MLB 266		177	3.9	112
Show		20284+6756	TDT2309		232	0.7	112
Show		20589+6548	KPP2312		312	19.5	116
Show		20520+6910	JOD 19		172	0.5	118
Show		20361+6523	STI 990		177	5.8	131
Show		20333+6531	LDS2454		62	17.5	133
Show		20328+6526	KPP 474		81	3.7	139
Show		20273+6846	HDS2925		91	0.7	141
Show		21001+6917	TDT2686		42	2.4	143
Show		20434+6454	STI 992		53	4.9	145
Show		20354+6454	OSO 127	AB	27	6.5	158
Show		20354+6454	OSO 127	AC	66	5.5	158
Show		20354+6454	OSO 127	AD	225	18.5	158
Show		20354+6454	OSO 127	AE	267	20.2	158
Show		20354+6454	OSO 127	AF	288	24.3	158
Show		20354+6454	GIC 165	AG	301	29.6	158
Show		20454+7000	MLR 93		210	0.1	165
Show		20544+6957	A 1216	AB	327	20.1	166
Show		20544+6957	A 1216	AC	346	38.6	166
Show		20544+6957	A 1216	CD	82	0.9	167
Show		20276+6513	UC 4188		18	30.7	169
Show		21044+6501	SKF2806		284	46.7	174
Show		20353+6437	TDT2398		190	0.5	174
Show		20332+6442	MLB 220		84	7.2	176
Show		21052+6942	MLB 303			6.1	179
Show		20335+7002	TDT2370		148	0.7	181
Show		21027+7005	TDT2710		42	0.4	190
Show		21050+7000	LDS1944		349	48.0	193
Show		20389+6405	ES 1918		288	3.3	195
Show		20465+7036	MLB 363		211	3.2	200

WDS 20465+6717 : COMPONENTS

	A
B	pa=16.5° sep=5.25"

20465+6717 A

Componente originario normalizzato	AB	Name	HD 198454	Coord arcsec 2000	204632.32+671632.4	Mag	8.2
Spectral class	B9 (blue-white)	PmRA	-11.00	PmDE	-17.0	SAO	19036
HIP	102518	Tycho2	4258-00757-1	HD	198454	BD	BD+66 1326

Tycho2

Tycho2	4258-00757-1	Pflag		RAmdeg	311.63468441	DEmdeg	67.27567863
PmRA	-10.9	PmDE	-16.6	E RAmdeg	6	E DEmdeg	6
E pmRA	1.3	E pmDE	1.4	EpRAm	1991.36	EpDEm	1991.37
Num	6	Q RAmdeg	3.0	Q DEmdeg	4.2	Q pmRA	3.0
Q pmDE	4.1	BTmag	8.475	E BTmag	0.015	VTmag	8.198
E VTmag	0.012	Prox	64	TYC	T	HIP	102518
CCDM	A	RAdeg	311.63474611	DEdeg	67.27571528	EpRA 1990	1.69
EpDE 1990	1.68	E RAdeg	5.5	E DEdeg	5.7	Posflg
Corr	0.0

SAO

SAO	19036	DelFlag		RA1950		PmRA1950	-0.0006
DE1950		PmDE1950	-0.019	Vmag	8.4	SpType	B9
Double code		Source	2	CatNum	915	DM	BD+66 1326
DMcomp		BDsup		HD	198454	M HD	0
GC		RA1950rad	5.43652001	DE1950rad	1.17096254	PmRA2000	-0.0001
PmDE2000	-0.023

Hipparcos

Catalog	H	HIP	102518	Proxy	H	RAhms	20 46 32.34
DEdms	+67 16 32.6	Vmag	8.14	VarFlag		R Vmag	H
RAdeg	311.635	DEdeg	67.2757	AstroRef	A	Plx	2.9
CCDM	20465+6717	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	B	M HIP	AB
Theta	36	Rho	6.412	HD	198454	BD	BD+66 1326
CD		CP		Dm number	+66 1326	VIred	0.19
SpType	B9	R SpType		Coord arcsec 2000	204632.34+671632.6

Hipparcos 2

HIP	102518	Sn	15	So	3	Nc	2
RArad	5.4390524464	DErad	1.1741827262	Plx	2.42	PmRA	-11.75
PmDE	-14.23	E RArad	0.74	E DErad	0.62	E Plx	0.71
E pmRA	0.98	E pmDE	0.78	Hpmag	8.2023	E Hpmag	0.0015
SHp	0.016	VA	0	BV	1	E BV	0.495
VI	0.19

CCDM

Ccdm	20465+6717	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.37	DDEs	-27.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.4	Sp	B9	PmNote	*
PmRA	-14	PmDE	-14	Dm number	+66 1326	Cat1	BD
Name2	+67 915	Cat2	AGK2/3	HD	198454	M HD
ADS BDS		M ADS BDS		N IDS		IDS	20454N6654A
HIC	102518

20465+6717 B

Componente originario normalizzato	AB		Coord arcsec 2000	204632.58+671637.4		Mag	11.71		PmRA	63.00
PmDE	90.0		Calc delta mag	3.51		Calc coord	yes

CCDM

Ccdm	20465+6717	RComp		Comp	B	Note1
Note2		Discov num	MLR 73	DRAs		DDEs
R dRAs		Year	1970	Theta	37	Rho	5.7
Obs	1	Vmag	11.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20454N6654B
HIC	102518