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20001+1731
H 4 100 BC

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20001+1731 H 4 100 BC

20^h 00^m 08.80^s +17° 30' 03.1" P.A. 306.00 sep 97.1 mag 10.12,5.57 Sp K0 dist. 312.5 pc (1019.38 l.y.)

Coord 2000	20001+1731	Discov num	H 4 100	Comp	BC	Coord arcsec 2000	20 00 08.80 +17 30 03.1
Date first	1900	Date last	2013	Obs	5
Pa first	306	Pa last	306	P.A. Now (θ)	306°
Sep first	97.2	Sep last	97.14	Sep. Now (ρ)	97.14"
Mag pri	10.12	Mag sec	5.57	delta mag (ΔM)	4.55	Spectral class	K0 (yellow-orange)
Pri motion ra	+003	Sec motion ra	+002
Pri motion dec	-008	Sec motion dec	-012
Notes	N (See Notes)

rPM=0.339

Nature of this double is uncertain.

20001+1731 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	13 Sge		20 00 10 +17 30 09	H 4 100 AB	2013	19	265	23.9	9.96	10.12	0.16
Show		105522	20 00 10 +17 30 09	H 4 100 AC	2013	17	297	112.6	9.96	5.57	4.39
Show		105522	20 00 09 +17 30 03	H 4 100 BC	2013	5	306	97.1	10.12	5.57	4.55		<===
Show		105522	20 00 03 +17 30 59	BU 1477 CD	2013	8	208	27.0	5.57	13.40	7.83
Show		105522	20 00 03 +17 30 59	BU 1477 CE	2020	5	114	45.9	5.57	12.99	7.42

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	VZ Sge	Constellation	Sagitta	SAO	105522	HIP	98438
Tycho2	1621-02189-1	Gaia DR2	1820484633616825344	HD	189577	HR	7645
GC	27711	ADS	13230	BD	BD+17 4183	Flamsteed	13 Sagittae
Flamsteed name	13 Sge	Distance	312.5	Distance ly	1019.38

WDS 20001+1731 H 4 100 BC : NOTES

discov_num	notes	refcode
H 4 100	AB: H IV 100. Also known as STF2608. B is BD+17@4184.
BU 1477	13 Sge. A is the irregular variable VZ Sge.

REFERENCES

refcode	metd	author	reference
Bu_1873a	Ma -	Burnham, S.W. (BU 1 - 81)	1873MNRAS..33..351B
Bu_1873a		MNRAS 33, 351, 1873
Bu_1873b	Ma -	Burnham, S.W. (BU 82 - 106)	1873MNRAS..33..437B
Bu_1873b		MNRAS 33, 437, 1873
Bu_1873c	-	Burnham, S.W.	1873MNRAS..33..567B
Bu_1873c		MNRAS 33, 567, 1873
Bu_1873d	Ma -	Burnham, S.W. (BU 107 - 182)	1873MNRAS..34...59B
Bu_1873d		MNRAS 34, 59, 1873
Bu_1874a	Ma -	Burnham, S.W. (BU 183 - 229)	1874MNRAS..34..382B
Bu_1874a		MNRAS 34, 382, 1874
Bu_1874b	Ma -	Burnham, S.W. (BU 230 - 300)	1874MNRAS..35...31B
Bu_1874b		MNRAS 35, 31, 1874
Bu_1874c	-	Burnham, S.W.	1874MNRAS..34..370B
Bu_1874c		MNRAS 34, 370, 1874
Bu_1874d	Ma -	Burnham, S.W.	1874MNRAS..34..393B
Bu_1874d		MNRAS 34, 393, 1874
Bu_1874e	Ma -	Burnham, S.W.	1874MNRAS..35...28B
Bu_1874e		MNRAS 35, 28, 1874
Bu_1875	Ma -	Burnham, S.W. (BU 301 - 390)	1875AN.....86..337B
Bu_1875		AN 86, 337, 1875
Bu_1876	Ma -	Burnham, S.W. (BU 391 - 436)	1876AN.....88..225B
Bu_1876		AN 88, 225, 1876
Bu_1876b	-	Burnham, S.W.	1876MNRAS..36...99B
Bu_1876b		MNRAS 36, 99, 1876
Bu_1876c	-	Burnham, S.W.	1876MNRAS..36..331B
Bu_1876c		MNRAS 36, 331, 1876 (no new data)
Bu_1877	Ma -	Burnham, S.W. (BU 453 - 482)	1877MNRAS..38...78B
Bu_1877		MNRAS 38, 78, 1877
Bu_1878a	Ma -	Burnham, S.W.	1878MNRAS..38..408B
Bu_1878a		MNRAS 38, 408, 1878
Bu_1878b	-	Burnham, S.W.	1878MNRAS..38..476B
Bu_1878b		MNRAS 38, 476, 1878
Bu_1878c	-	Burnham, S.W.	1878MNRAS..38..478B
Bu_1878c		MNRAS 38, 478, 1878
Bu_1878d	Ma j	Burnham, S.W.	1878AN.....92..235B
Bu_1878d		AN 92, 235, 1878
Bu_1879	Ma j	Burnham, S.W.	1879MmRAS..44..141B
Bu_1879		MemRAS 44, 141, 1879
Bu_1879B	Ma -	Burnham, S.W.	1879Obs.....3...20G
Bu_1879B		cited by Gledhill (Obs 3, 20, 1879)
Bu_1879C	Ma -	Burnham, S.W.	1879Obs.....3..142G
Bu_1879C		cited by Gledhill (Obs 3, 142, 1879)
Bu_1879d	Ma -	Burnham, S.W.	1879Obs.....3...92B
Bu_1879d		Obs 3, 92, 1879
Bu_1879e	Ma -	Burnham, S.W.	1879MNRAS..40...99B
Bu_1879e		MNRAS 40, 99, 1879
Bu_1880A	Ma -	Burnham, S.W.	1880Obs.....3..508G
Bu_1880A		cited by Gledhill (Obs 3, 508, 1880)
Bu_1880C	Ma -	Burnham, S.W.	1880Obs.....3..314G
Bu_1880C		cited by Gledhill (Obs 3, 314, 1880)
Bu_1880D	Ma -	Burnham, S.W.	1880Obs.....3..352G
Bu_1880D		cited by Gledhill (Obs 3, 352, 1880)
Bu_1880e	Ma -	Burnham, S.W.	1880Obs.....3..408B
Bu_1880e		Obs 3, 408, 1880
Bu_1880f	Ma -	Burnham, S.W.	1880MNRAS..40..497B
Bu_1880f		MNRAS 40, 497, 1880
Bu_1880g	Ma -	Burnham, S.W.	1880MNRAS..41...33B
Bu_1880g		MNRAS 41, 33, 1880
Bu_1881	Ma j	Burnham, S.W.	1881Obs.....4...19G
Bu_1881		cited by Gledhill (Obs 4, 19, 1881)
Bu_1882a	Ma -	Burnham, S.W. (BU 776 - 863)	1882PWasO...1...91B
Bu_1882a		Pub. Washburn Obs. 1, 91, 1882
Bu_1882b	Ma -	Burnham, S.W.	1882PWasO...1..113B
Bu_1882b		Pub. Washburn Obs. 1, 113, 1882
Bu_1883	Ma j	Burnham, S.W. (BU 864 - 1025)	1883MmRAS..47..167B
Bu_1883		MemRAS 47, 167, 1883
Bu_1883b	Ma -	Burnham, S.W.	1883MNRAS..43..318B
Bu_1883b		MNRAS 43, 318, 1883
Bu_1884	Ma j	Burnham, S.W.	1884MNRAS..44..365H
Bu_1884		MNRAS 44, 365, 1884
Bu_1884b	Ma -	Burnham, S.W.	1884AN....110..133B
Bu_1884b		AN 110, 133, 1884
Bu_1884C	Ma -	Burnham, S.W.	1884AReg...22..216S
Bu_1884C		cited by Sadler (Astr. Register 22, 216, 1884)
Bu_1887	Ma -	Burnham, S.W. (BU 734 - 775)	1887PLicO...1...24B
Bu_1887		Pub. Lick Obs. 1, 24,45, 1887
Bu_1889a	Ma -	Burnham, S.W.	1889AN....122..159B
Bu_1889a		AN 122, 159, 1889 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1889b	Ma -	Burnham, S.W. (BU 1026 - 1038)	1889AN....123....1B
Bu_1889b		AN 123, 1, 1889 (measures also in Bu_1894a)	1894PLicO...2..185B
Bu_1889c	Ma -	Burnham, S.W.	1889AN....123...75B
Bu_1889c		AN 123, 75, 1889 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1889d	Ma -	Burnham, S.W.	1889PASP....1...36B
Bu_1889d		PASP 1, 36, 1889 (measures also in Bu_1894)	1894PLicO...2....3B
Bu_1889e	Ma j	Burnham, S.W.	1889AN....121...63B
Bu_1889e		AN 121, 63, 1889 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1889f	Ma j	Bunham, S.W.	1889MNRAS..49..418B
Bu_1889f		MNRAS 49, 418, 1889
Bu_1890a	Ma -	Burnham, S.W. (BU 1093 - 1154)	1889AN....124...49B
Bu_1890a		AN 124, 49, 1890 (measures also in Bu_1894c)	1894PLicO...2..197B
Bu_1890b	Ma -	Burnham, S.W.	1890AN....125...41B
Bu_1890b		AN 125, 41, 1890 (measures also in Bu_1894)	1894PLicO...2....3B
Bu_1890c	Ma -	Burnham, S.W.	1890PASP....2..138B
Bu_1890c		PASP 2, 138, 1890 (measures also in Bu_1894)	1894PLicO...2....3B
Bu_1891a	orb -	Burnham, S.W.	1891SidM...10..273B
Bu_1891a		Sidereal Messenger 10, 273, 1891
Bu_1891b	orb -	Burnham, S.W.	1891Obs....14..263B
Bu_1891b		Observatory 14, 263, 1891
Bu_1891c	Ma j	Burnham, S.W.	1891AN....127..289B
Bu_1891c		AN 127, 289, 1891
Bu_1892	Ma -	Burnham, S.W. (BU 1225 - 1266)	1892AN....130..257B
Bu_1892		AN 130, 257, 1892 (measures also in Bu_1894e)	1894PLicO...2..221B
Bu_1892b	Ma -	Burnham, S.W.	1892AN....130...77B
Bu_1892b		AN 130, 77, 1892
Bu_1893a	Ma -	Burnham, S.W.	1893AN....131..329B
Bu_1893a		AN 131, 329, 1893 (most measures also in Bu_1894)	1894PLicO...2.....B
Bu_1893b	orb -	Burnham, S.W.	1893MNRAS..53..478B
Bu_1893b		MNRAS 53, 478, 1893
Bu_1893c	orb -	Burnham, S.W.	1893MNRAS..54..119B
Bu_1893c		MNRAS 54, 119, 1893
Bu_1893d	orb -	Burnham, S.W.	1893AstAp..12..494B
Bu_1893d		AstAp 12, 494, 1893
Bu_1893e	orb -	Burnham, S.W.	1893AstAp..12..585B
Bu_1893e		AstAp 12, 585, 1893
Bu_1893f	Ma -	Burnham, S.W. (BU 1267 - 1274)	1893MNRAS..53..273B
Bu_1893f		MNRAS 53, 273, 1893 (most measures also in Bu_1893a)	1893AN....131..329B
Bu_1893g	orb -	Burnham, S.W.	1893MNRAS..53..482B
Bu_1893g		MNRAS 53, 482, 1893
Bu_1894	Ma j	Burnham, S.W.	1894PLicO...2....3B
Bu_1894		Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a)	1893AN....131..329B
Bu_1894a	Ma j	Burnham, S.W. (BU 1026 - 1038)	1894PLicO...2..185B
Bu_1894a		Pub. Lick Obs. 2, 185, 1894
Bu_1894b	Ma j	Burnham, S.W. (BU 1039 - 1092)	1894PLicO...2..188B
Bu_1894b		Pub. Lick Obs. 2, 188, 1894
Bu_1894c	Ma -	Burnham, S.W. (BU 1093 - 1154)	1894PLicO...2..197B
Bu_1894c		Pub. Lick Obs. 2, 197, 1894
Bu_1894d	Ma -	Burnham, S.W. (BU 1155 - 1224)	1894PLicO...2..206B
Bu_1894d		Pub. Lick Obs. 2, 206, 1894
Bu_1894e	Ma -	Burnham, S.W. (BU 1225 - 1266)	1894PLicO...2..221B
Bu_1894e		Pub. Lick Obs. 2, 221, 1894
Bu_1894f	Ma -	Burnham, S.W. (BU 1267 - 1274)	1894PLicO...2..229B
Bu_1894f		Pub. Lick Obs. 2, 229, 1894 (all measures also in Bu_1893f)	1893MNRAS..53..273B
Bu_1894g	Ma -	Burnham, S.W.	1894PLicO...2..159B
Bu_1894g		Pub. Lick Obs. 2, 159, 1894
Bu_1898	orb -	Burnham, S.W.	1898MNRAS..59...59B
Bu_1898		MNRAS 58, 59, 1898
Bu_1900	Ma -	Burnham, S.W.	1900PYerO...1....1B
Bu_1900		Pub. Yerkes Obs. 1, 1, 1900
Bu_1902A	Ma j	Burnham, S.W.	1902AN....158..241E
Bu_1902A		cited by Espin (AN 158, 241, 1902)
Bu_1903	Ma -	Burnham, S.W.	1903PYerO...2....1B
Bu_1903		Pub. Yerkes Obs. 2, 1, 1903
Bu_1906	Ma j	Burnham, S.W.	1906QB821.B972.....
Bu_1906	+M	Burnham Double Star Cat., 1906
Bu_1906B	Ma -	Burnham, S.W.	1906MmRAS..56....1L
Bu_1906B	+orb	cited by Lewis (MemRAS 56, 1, 1906)
Bu_1907	Ma -	Burnham, S.W.	1907AN....176..129B
Bu_1907		AN 176, 129, 1907 (most data in Bu_1913)	1913QB811.B8.......
Bu_1908	Ma -	Burnham, S.W.	1908MNRAS..68..517B
Bu_1908		MNRAS 68, 517, 1908
Bu_1908A	Ma -	Burnham, S.W.	1908MNRAS..68..465B
Bu_1908A		cited by Barnard (MNRAS 68, 465, 1908)
Bu_1909	Ma -	Burnham, S.W.	1909AN....180...65B
Bu_1909		AN 180, 65, 1909 (most data in Bu_1913)	1913QB811.B8.......
Bu_1909b	Ma j	Burnham, S.W.	1909AN....182..133B
Bu_1909b		AN 182, 133, 1909
Bu_1910	Ma -	Burnham, S.W.	...................
Bu_1910		Journal Astronomique 1, no. 11, 81, 1910
Bu_1910b	Ma -	Burnham, S.W.	1910AN....185..145B
Bu_1910b		AN 185, 145, 1910 (most data in Bu_1913)	1913QB811.B8.......
Bu_1911	-	Burnham, S.W.	1911MNRAS..72..156J
Bu_1911		MNRAS 72, 156, 1911
Bu_1911b	Ma j	Burnham, S.W.	1911AN....189..385B
Bu_1911b		AN 189, 385, 1911
Bu_1913	Ma j	Burnham, S.W.	1913QB811.B8.......
Bu_1913	+Pa	Carnegie Inst. Wash. #168, 1913
Bu_1913	+T
Bu_1918	Ma j	Burnham, S.W.	1918AJ.....31..141B
Bu_1918		AJ 31, 141, 1918
Bu_1923A	Ma -	Burnham, S.W.	1923MNRAS..83..154E
Bu_1923A		cited by Espin (MNRAS 83, 154, 1923)
Bu_1927A	Ma -	Burnham, S.W.	1927sdsc.book......
Bu_1927A		cited in SDS (Southern Double Star Cat.), 1927
Bu_1932A	Ma -	Burnham, S.W.	1932QB821.A43......
Bu_1932A		cited in ADS (Aitken Double Star Cat.), 1932
Bu_1963A	Ma -	Burnham, S.W.	1963icvd.book.....J
Bu_1963A		cited in IDS (Lick Index Cat.), 1963
Bu_2002A	Ma -	Burnham, S.W.	2002yCat.1275....0D
Bu_2002A		cited in CCDM

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20001+1731	H 4 100	BC	2013	1	126	97.1	10.12	5.57	K0	N

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

WDS 20001+1731 H 4 100 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20001+1731 H 4 100 BC : MEASURES

No records found.

WDS 20001+1731 : 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 20001+1731 : ALADIN DSS IMAGE @ 20^h 00^m 08.80^s +17° 30' 03.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20001+1731 H 4 100 BC : 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		20001+1731	H 4 100	BC	306	97.1	1
Show		20001+1731	H 4 100	AB	265	23.9	1
Show		20001+1731	H 4 100	AC	297	112.6	1
Show		20001+1731	BU 1477	CD	208	27.0	2
Show		20001+1731	BU 1477	CE	114	45.9	2
Show		20002+1733	SLE 675		310	7.1	4
Show		20000+1736	SMR 7		264	4.0	7
Show		20001+1737	S 730	AB	14	112.8	7
Show		20001+1737	S 730	AD	198	41.1	7
Show		20001+1737	HO 638	AE	283	2.7	7
Show		20001+1737	S 730	AC	338	78.6	7
Show		20006+1727	BPM1923		2	117.5	8
Show		20001+1737	S 730	BC	237	68.6	9
Show		20004+1720	SLE 676		228	12.6	11
Show		19596+1720	BPM1912		304	92.0	13
Show		19586+1734	TDT1892		38	1.2	23
Show		20010+1751	BPM1925		344	92.7	24
Show		20003+1757	HU 352	AB	198	0.2	27
Show		20003+1757	LBU 8	AB,C	27	63.8	27
Show		20003+1757	LBU 8	AB,D	352	65.3	27
Show		20017+1746	BPM1935		28	66.0	28
Show		20017+1748	SLE 677		12	10.6	30
Show		19582+1719	BPM1889		8	28.2	30
Show		19584+1713	BPM1890		114	102.3	31
Show		19591+1758	BRT1331		213	4.4	32
Show		20006+1657	BPM1921		221	78.6	34
Show		20020+1707	BPM1941		347	105.5	35
Show		20024+1744	BPM1947	AB	2	31.3	36
Show		20024+1744	BPM1948	BC	279	114.7	36
Show		20017+1759	BPM1934		272	84.8	37
Show		19575+1739	BPM1867		349	88.4	39
Show		20020+1702	BPM1942		288	114.8	39
Show		19594+1809	BPM1909		173	104.9	41
Show		19573+1729	BPMA219		103	276.3	41
Show		20028+1747	BPM1953		322	42.0	42
Show		19573+1713	BPM1858		212	120.0	45
Show		20033+1736	BPM1962		177	88.6	46
Show		20009+1815	J 502	AB	63	3.9	47
Show		20009+1815	J 502	AC	311	19.1	47
Show		19569+1722	BPM1854		49	76.8	47
Show		19579+1804	BPM1877		161	118.4	47
Show		20019+1651	BPM1938		82	118.4	47
Show		20005+1643	BPMA225		98	247.3	48
Show		20032+1712	BPM1960		348	93.0	48
Show		19570+1747	BPMA217		196	120.2	48
Show		19568+1737	BPM1850		49	59.3	48
Show		19567+1721	BPM1848		285	23.1	50
Show		20012+1642	BPM1929		144	31.6	50
Show		20035+1715	TDT1941		165	1.1	50
Show		19578+1652	BPM1873		25	117.6	51
Show		19599+1637	J 1203		352	2.1	53

WDS 20001+1731 : COMPONENTS

	A	B	C	D
B	pa=255.6° sep=24.08"
C	pa=296.2° sep=113.72"	pa=305.6° sep=96.75"
D	pa=283.1° sep=117.28"	pa=289.7° sep=96.57"	pa=207.3° sep=26.70"
E	pa=296.8° sep=69.62"	pa=313.9° sep=53.89"	pa=115.4° sep=44.11"	pa=84.8° sep=52.29"

20001+1731 A

Name	13 Sge	Var name	VZ Sge	Coord arcsec 2000	200010.43+173009.1	Mag	9.96
Spectral class	K0 (yellow-orange)	PmRA	6.00	PmDE	-3.0	Flamsteed	13 Sagittae
Flamsteed name	13 Sge

CCDM

Ccdm	20001+1731	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.65	DDEs	-0.8
R dRAs	65	Year		Theta		Rho
Obs	6	Vmag	5.6	Sp	M2	PmNote	*
PmRA	15	PmDE	-14	Dm number	+17 4183	Cat1	BD
Name2	+17 2113	Cat2	AGK2/3	HD	189577	M HD
ADS BDS	A13230	M ADS BDS	N	N IDS		IDS	19555N1715A
HIC	98438

20001+1731 B

Coord arcsec 2000	200008.80+173003.1		Coord calc	200008.80+173003.1		Mag	10.12		Spectral class	K0 (yellow-orange)
PmRA	3.00		PmDE	-8.0		Calc delta mag	0.16

CCDM

Ccdm	20001+1731	RComp		Comp	B	Note1
Note2		Discov num	H 100	DRAs		DDEs
R dRAs		Year	1924	Theta	256	Rho	7.5
Obs	1	Vmag	9.9	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS	N	N IDS		IDS	19556N1714D
HIC	98438

20001+1731 C

Coord arcsec 2000	200003.30+173059.4	Coord calc	200003.30+173059.4	Mag	5.57	Spectral class	M4IIIa (red)
PmRA	2.00	PmDE	-12.0	SAO	105522	HIP	98438
Tycho2	1621-02189-1	HD	189577	HR	7645	GC	27711
BD	BD+17 4183	Flamsteed	13 Sagittae	Flamsteed name	13 Sge	Calc delta mag	4.39

Tycho2

Tycho2	1621-02189-1	Pflag		RAmdeg	300.01378930	DEmdeg	17.51651179
PmRA	2.9	PmDE	-11.8	E RAmdeg	4	E DEmdeg	4
E pmRA	0.9	E pmDE	0.9	EpRAm	1991.34	EpDEm	1991.29
Num	14	Q RAmdeg	0.8	Q DEmdeg	0.5	Q pmRA	0.9
Q pmDE	0.4	BTmag	7.433	E BTmag	0.015	VTmag	5.574
E VTmag	0.009	Prox	967	TYC	T	HIP	98438
CCDM		RAdeg	300.01378250	DEdeg	17.51653917	EpRA 1990	1.68
EpDE 1990	1.65	E RAdeg	3.6	E DEdeg	3.6	Posflg
Corr	0.0

SAO

SAO	105522	DelFlag		RA1950		PmRA1950	0.0002
DE1950		PmDE1950	-0.01	Vmag	5.6	SpType	Mb
Double code		Source	70	CatNum	27711	DM	BD+17 4183
DMcomp		BDsup		HD	189577	M HD	0
GC	27711	RA1950rad	5.22637082	DE1950rad	0.30331413	PmRA2000	0.0003
PmDE2000	-0.011

Hipparcos

Catalog	H	HIP	98438	Proxy		RAhms	20 00 03.31
DEdms	+17 30 59.5	Vmag	5.33	VarFlag	2	R Vmag	H
RAdeg	300.014	DEdeg	17.5165	AstroRef		Plx	4.37
CCDM	20001+1731	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	189577	BD	BD+17 4183
CD		CP		Dm number	+17 4183	VIred	2.72
SpType	M4IIIa	R SpType		Coord arcsec 2000	200003.31+173059.5

Hipparcos 2

HIP	98438	Sn	5	So	0	Nc	1
RArad	5.2362282758	DErad	0.3057213056	Plx	3.2	PmRA	1.75
PmDE	-12.41	E RArad	0.19	E DErad	0.2	E Plx	0.31
E pmRA	0.27	E pmDE	0.3	Hpmag	5.3258	E Hpmag	0.0064
SHp	0.066	VA	2	BV	1.576	E BV	0.01
VI	2.61

CCDM

Ccdm	20001+1731	RComp		Comp	C	Note1
Note2		Discov num	BU	DRAs	-4.28	DDEs	-31.2
R dRAs	65	Year	1934	Theta	208	Rho	28.6
Obs	4	Vmag	11.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13230	M ADS BDS		N IDS		IDS	19555N1715B
HIC

20001+1731 D

Coord arcsec 2000

200002.44+173035.7

Mag

13.4

Calc delta mag

3.44

Calc coord

yes

CCDM

Ccdm	20001+1731	RComp		Comp	D	Note1
Note2		Discov num	H 100	DRAs	4.40	DDEs	-50.7
R dRAs	65	Year	1904	Theta	117	Rho	114.0
Obs	2	Vmag	10.3	Sp	K	PmNote	*
PmRA	-13	PmDE	-16	Dm number	+17 4186	Cat1	BD
Name2	+17 2117	Cat2	AGK2/3	HD		M HD
ADS BDS	B 9800	M ADS BDS		N IDS		IDS	19556N1714A
HIC

20001+1731 E

Coord arcsec 2000	200006.08+173040.5		Mag	12.99		PmRA	-15.00		PmDE	-6.0
Calc delta mag	3.03		Calc coord	yes

CCDM

Ccdm	20001+1731	RComp	D	Comp	E	Note1
Note2		Discov num	H 100	DRAs	2.82	DDEs	-56.5
R dRAs	65	Year	1904	Theta	256	Rho	23.8
Obs	2	Vmag	10.3	Sp		PmNote	*
PmRA	-4	PmDE	15	Dm number	+17 4184	Cat1	BD
Name2	+17 2116	Cat2	AGK2/3	HD		M HD
ADS BDS	B 9800	M ADS BDS	N	N IDS		IDS	19556N1714B
HIC