20501+2604 HL 9002 (HD 198514)

20^h 50^m 03.70^s +26° 04' 14.9" P.A. 138.00 sep 16.0 mag 7.98,11.70 Sp A0 dist. 343.64 pc (1120.95 l.y.)

Coord 2000	20501+2604	Discov num	HL 9002	Comp		Coord arcsec 2000	20 50 03.70 +26 04 14.9
Date first	1889	Date last	2015	Obs	9
Pa first	134	Pa last	137.7	P.A. Now (θ)	137.7°
Sep first	16.9	Sep last	16.039	Sep. Now (ρ)	16.039"
Mag pri	7.98	Mag sec	11.70	delta mag (ΔM)	3.72	Spectral class	A0 (white)
Pri motion ra	+002	Sec motion ra	-008
Pri motion dec	-016	Sec motion dec	-020
Notes

rPM=0.5

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 198514	Constellation	Vulpecula	SAO	89183	HIP	102840
Tycho2	2175-00394-1	Gaia DR2	1843900623489822208	HD	198514	BD	BD+25 4391
Distance	343.64	Distance ly	1120.95

WDS 20501+2604 HL 9002 (HD 198514) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hl_1866	Ma j	Hall, A.	1866AN.....66..381H
Hl_1866		AN 66, 381, 1866
Hl_1872	Ma j	Hall, A.	1872AN.....79..247H
Hl_1872		AN 79, 247, 1872 (data also in Hl_1877a)
Hl_1874	Ma -	Hall, A.	1874AN.....84...17H
Hl_1874		AN 84, 17, 1874 (data also in Hl_1877a)
Hl_1875a	Ma j	Hall, A.	.
Hl_1875a		Washington Observations, 1875
Hl_1875b	Ma j	Hall, A.	1875AN.....86..321H
Hl_1875b		AN 86, 321, 1875 (data also in Hl_1877a)
Hl_1876	Ma j	Hall, A.	1876AN.....88..131H
Hl_1876		AN 88, 131, 1876
Hl_1877a	Ma j	Hall, A.	.
Hl_1877a		Washington Observations, Appendix 6, 1877
Hl_1877b	Ma -	Hall, A.	1877MNRAS..38...78H
Hl_1877b		MNRAS 38, 78, 1877
Hl_1877c	Ma j	Hall, A.	1877AN.....90..161H
Hl_1877c		AN 90, 161, 1877
Hl_1878	Ma j	Hall, A.	1878AN.....93...65H
Hl_1878		AN 93, 65, 1878 (data also in Hl_1877a)
Hl_1879	Ma j	Hall, A.	1879AN.....95..329H
Hl_1879		AN 95, 329, 1879 (data also in Hl_1877a)
Hl_1880	Ma j	Hall, A.	1880AN.....97..319H
Hl_1880		AN 97, 319, 1880 (data also in Hl_1888)
Hl_1881	Ma -	Hall, A.	1888Obs.....4..281H
Hl_1881		Observatory 4, 281, 1881 (data also in Hl_1888)
Hl_1881b	Ma j	Hall, A.	1881MNRAS..41..416.
Hl_1881b		MNRAS 41, 416, 1881
Hl_1882	Ma j	Hall, A.	1882MNRAS..42..323H
Hl_1882		MNRAS 42, 323, 1882 (data also in Hl_1888)
Hl_1882b	Ma -	Hall, A.	1882AN....102...91H
Hl_1882b		AN 102, 91, 1882 (data also in Hl_1888)
Hl_1883	Ma j	Hall, A.	1883MNRAS..43Q.330H
Hl_1883		MNRAS 43, 330, 1883
Hl_1884	Ma j	Hall, A.	1884MNRAS..44..360H
Hl_1884		MNRAS 44, 360, 1884 (data also in Hl_1888)
Hl_1884B	Ma -	Hall, A.	1884AReg...22..216S
Hl_1884B		cited by Sadler (Astr. Register 22, 216, 1884)
Hl_1885	Ma j	Hall, A.	1885MNRAS..45..426H
Hl_1885		MNRAS 45, 426, 1885 (data also in Hl_1888)
Hl_1886	Ma j	Hall, A.	1886MNRAS..46..453H
Hl_1886		MNRAS 46, 453, 1886
Hl_1887	Ma j	Hall, A.	1887AJ......7...99H
Hl_1887		AJ 7, 99, 1887 (data also in Hl_1888)
Hl_1889	Ma -	Hall, A.	1889AJ......9...75H
Hl_1889		AJ 9, 75, 1889 (data also in Hl_1888)
Hl_1891	Ma -	Hall, A.	.
Hl_1891		Washington Observations, 1891
Hl_1891b	Ma -	Hall, A.	1891AJ.....11...54H
Hl_1891b		AJ 11, 54, 1891 (data also in Hl_1888)
Hl_1892	orb -	Hall, A.	1892AJ.....12...33H
Hl_1892		AJ 12, 33, 1892
Hl_1892b	Ma -	Hall, A.	1892AJ.....12....4H
Hl_1892b		AJ 12, 4, 1892 (data also in Hl_1888)
Hl_1892c	Ma j	Hall, A.	1892USNOO...6E...1H
Hl_1892c		Washington Observations for 1888, Appendix 1, 1892
Hl_1892c		(covers years 1888-1890)
Hl_1893	Ma -	Hall, A.	1893AJ.....13..119H
Hl_1893		AJ 13, 119, 1893 (data also in Hl_1888)
Hl_1893b	Ma -	Hall, A.	1893AJ.....13..113H
Hl_1893b		AJ 13, 113, 1893 (data also in Hl_1888)
Hl_1894	orb -	Hall, A.	1894AJ.....14...89H
Hl_1894		AJ 14, 89, 1894
Hl_1906A	Ma -	Hall, A.	1906QB821.B972.....
Hl_1906A		cited in BDS (Burnham Double Star Cat.), 1906
Hl_1906B	Ma -	Hall, A.	1906MmRAS..56....1L
Hl_1906B		cited by Lewis (MemRAS 56, 1, 1906)
Hl_9999	Ma j	Hall, A.	...................
Hl_9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20501+2604	HL 9002		2002	4	137	16.1	8.00	11.70	A0		205003.70+260414.9
20501+2604	HL 9002		2010	6	138	15.9	7.98	11.70	A0		205003.70+260414.9
20501+2604	HL 9002		2015	7	138	16.0	7.98	11.70	A0		205003.70+260414.9

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

WDS 20501+2604 HL 9002 (HD 198514) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20501+2604 HL 9002 (HD 198514) : MEASURES

No records found.

WDS 20501+2604 (HD 198514) : 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 20501+2604 (HD 198514) : ALADIN DSS IMAGE @ 20^h 50^m 03.70^s +26° 04' 14.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20501+2604 HL 9002 (HD 198514) : 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		20501+2604	HL 9002		138	16.0
Show		20499+2547	GRV 386		200	14.5	17
Show		20507+2621	KPP3362		277	3.9	19
Show		20490+2544	J 3111		138	6.3	25
Show		20503+2631	WSI 119		189	4.6	27
Show		20490+2540	HDS2966		229	0.5	28
Show		20497+2535	J 3112		75	5.8	30
Show		20511+2630	TDT2579		35	1.9	30
Show		20482+2622	COU 827	Aa,Ab	332	0.6	31
Show		20482+2622	TDT2548	AB	148	0.6	31
Show		20482+2624	STF2728	AB	25	10.5	32
Show		20482+2624	STF2728	AC	213	19.4	32
Show		20482+2624	FYM 66	AF	295	129.1	32
Show		20482+2624	FYM 66	AD	193	59.8	32
Show		20482+2624	FYM 66	AE	294	114.1	32
Show		20485+2540	TDT2553		347	0.6	33
Show		20482+2624	FYM 66	EF	301	15.1	34
Show		20490+2637	COU 828	AB	189	0.9	37
Show		20490+2637	COU 828	AC	95	24.9	37
Show		20515+2533	COU 829		218	2.3	38
Show		20507+2527	POU5042		344	7.4	39
Show		20497+2526	POU5028		336	14.8	39
Show		20507+2525	BKO 876		65	8.2	40
Show		20503+2518	POU5040		290	18.9	47
Show		20531+2630	GII 4	AB	140	8.0	48
Show		20531+2630	GII 4	AC	299	11.3	48
Show		20495+2516	POU5025		80	8.6	49
Show		20487+2517	POU5015		78	14.6	51
Show		20501+2512	POU5038		342	16.2	52
Show		20506+2512	POU5041		177	14.2	53
Show		20535+2630	COU1177		14	0.2	53
Show		20478+2519	WSI 49	BE	141	5.1	54
Show		20525+2522	POU5052		323	15.8	54
Show		20478+2519	BKO 856	FG	178	9.1	55
Show		20483+2515	POU5004		324	15.0	55
Show		20499+2510	POU5029		20	12.3	55
Show		20478+2519	BUP 218	AB	37	49.4	55
Show		20478+2519	BUP 218	AC	99	102.9	55
Show		20478+2519	BUP 218	AD	252	154.0	55
Show		20478+2519	DAM 514	AF	100	44.2	55
Show		20492+2510	POU5021		355	6.0	55
Show		20513+2511	POU5045		314	13.7	55
Show		20534+2637	TDT2610		209	0.9	56
Show		20499+2508	POU5030		343	4.5	56
Show		20478+2519	POU4996	DH	127	12.0	57
Show		20471+2525	BU 364		75	0.7	57
Show		20491+2509	BKO 865		101	8.9	57
Show		20503+2507	POU5039		84	10.8	57
Show		20497+2507	BKO 868		276	9.7	58
Show		20500+2508	BKO 874		254	12.5	59
Show		20487+2507	BKO 862		55	7.9	60

WDS 20501+2604 : COMPONENTS

	A
B	pa=140.7° sep=15.32"

20501+2604 A

Componente originario normalizzato	AB	Name	HD 198514	Coord arcsec 2000	205003.70+260414.9	Mag	7.98
Spectral class	A0 (white)	PmRA	2.00	PmDE	-16.0	SAO	89183
HIP	102840	Tycho2	2175-00394-1	HD	198514	BD	BD+25 4391

Tycho2

Tycho2	2175-00394-1	Pflag		RAmdeg	312.51542102	DEmdeg	26.07079813
PmRA	0.5	PmDE	-15.7	E RAmdeg	5	E DEmdeg	4
E pmRA	1.2	E pmDE	1.3	EpRAm	1991.37	EpDEm	1991.46
Num	11	Q RAmdeg	0.6	Q DEmdeg	1.0	Q pmRA	0.7
Q pmDE	0.9	BTmag	8.130	E BTmag	0.015	VTmag	7.978
E VTmag	0.010	Prox	999	TYC	T	HIP	102840
CCDM		RAdeg	312.51541944	DEdeg	26.07083444	EpRA 1990	1.80
EpDE 1990	1.67	E RAdeg	4.5	E DEdeg	4.3	Posflg
Corr	-0.1

SAO

SAO	89183	DelFlag		RA1950		PmRA1950	0.0007
DE1950		PmDE1950	-0.007	Vmag	8.2	SpType	A0
Double code		Source	34	CatNum	11812	DM	BD+25 4391
DMcomp		BDsup		HD	198514	M HD	0
GC		RA1950rad	5.44499269	DE1950rad	0.45176111	PmRA2000	0.0008
PmDE2000	-0.011

Hipparcos

Catalog	H	HIP	102840	Proxy		RAhms	20 50 03.70
DEdms	+26 04 15.0	Vmag	7.94	VarFlag		R Vmag	H
RAdeg	312.515	DEdeg	26.0708	AstroRef		Plx	3.56
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	198514	BD	BD+25 4391
CD		CP		Dm number	+25 4391	VIred	0.13
SpType	A0	R SpType		Coord arcsec 2000	205003.70+260415.0

Hipparcos 2

HIP	102840	Sn	5	So	0	Nc	1
RArad	5.4544230603	DErad	0.4550219685	Plx	2.91	PmRA	0.63
PmDE	-17.44	E RArad	0.47	E DErad	0.48	E Plx	0.77
E pmRA	0.58	E pmDE	0.52	Hpmag	7.994	E Hpmag	0.0013
SHp	0.019	VA	0	BV	0.162	E BV	0.01
VI	0.18

20501+2604 B

Componente originario normalizzato	AB		Coord arcsec 2000	205004.42+260403.0		Mag	11.7		PmRA	-8.00
PmDE	-20.0		Calc delta mag	3.72		Calc coord	yes