19169+6200 ES 1845 (HD 181520)

19^h 16^m 51.52^s +61° 59' 53.0" P.A. 147.00 sep 5.3 mag 8.21,9.90 Sp K2

Coord 2000	19169+6200	Discov num	ES 1845	Comp		Coord arcsec 2000	19 16 51.52 +61 59 53.0
Date first	1913	Date last	2019	Obs	11
Pa first	154	Pa last	147	P.A. Now (θ)	147°
Sep first	6.9	Sep last	5.33	Sep. Now (ρ)	5.33"
Mag pri	8.21	Mag sec	9.90	delta mag (ΔM)	1.69	Spectral class	K2 (yellow-orange)
Pri motion ra	+018	Sec motion ra
Pri motion dec	-013	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 181520		Constellation	Draco		SAO	18254		Tycho2	4221-01451-1
Gaia DR2	2240354108095662848		HD	181520

WDS 19169+6200 ES 1845 (HD 181520) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Es_1901	Mb -	Espin, T.E.	1901AN....155..321E
Es_1901		AN 155, 321, 1901 (ES 1 - 39)
Es_1902a	Ma -	Espin, T.E.	1902AN....158..241E
Es_1902a	+Mb	AN 158, 241, 1902 (ES 40 - 112)
Es_1902b	Mb -	Espin, T.E.	1902MNRAS..62..528E
Es_1902b		MNRAS 62, 528, 1902
Es_1902c	Mb j	Espin, T.E.	1902MNRAS..62..402E
Es_1902c		MNRAS 62, 402, 1902
Es_1903	Mb -	Espin, T.E.	1903MNRAS..63..172E
Es_1903		MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a	-	Espin, T.E.	1904MNRAS..64..238E
Es_1904a		MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905)	1905MNRAS..65..710E
Es_1904b	Mb -	Espin, T.E.	1904MNRAS..64..675E
Es_1904b		MNRAS 64, 675, 1904
Es_1905	Mb -	Espin, T.E.	1905MNRAS..65..710E
Es_1905		MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a	Mb -	Espin, T.E.	1906MNRAS..66..141E
Es_1906a		MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b	Mb -	Espin, T.E.	1906MNRAS..66..430E
Es_1906b		MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C	Mb -	Espin, T.E.	1906QB821.B972.....
Es_1906C		cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D	Mb -	Espin, T.E.	1906MmRAS..56....1L
Es_1906D		cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a	Mb j	Espin, T.E.	1907MNRAS..67..190E
Es_1907a		MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b	Mb -	Espin, T.E.	1907MNRAS..67..495E
Es_1907b		MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a	Mb j	Espin, T.E.	1908MNRAS..68..202E
Es_1908a		MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b	Mb -	Espin, T.E.	1908MNRAS..68..523E
Es_1908b		MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c	-	Espin, T.E.	1908JRASC...2..248E
Es_1908c		JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909)	1909MNRAS..69..218E
Es_1909a	Mb j	Espin, T.E.	1909MNRAS..69..218E
Es_1909a		MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b	Mb j	Espin, T.E.	1909MNRAS..69..604E
Es_1909b		MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a	Mb -	Espin, T.E.	1910MNRAS..70..237E
Es_1910a		MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b	Mb -	Espin, T.E.	1910MNRAS..70..541E
Es_1910b		MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911	Mb -	Espin, T.E.	1911MNRAS..71..217E
Es_1911		MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912	Mb -	Espin, T.E.	1912MNRAS..72..191E
Es_1912		MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913	Mb j	Espin, T.E.	1913MNRAS..73..162E
Es_1913		MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914	Mb j	Espin, T.E.	1914MNRAS..74..244E
Es_1914		MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a	Mb -	Espin, T.E.	1915MNRAS..75..203E
Es_1915a		MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b	Mb -	Espin, T.E.	1915MNRAS..75..555E
Es_1915b		MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c	Mb -	Espin, T.E.	1915MNRAS..76..210E
Es_1915c		MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917	Mb -	Espin, T.E.	1917MNRAS..77..236E
Es_1917		MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918	Mb j	Espin, T.E.	1918MNRAS..78..189E
Es_1918		MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919	Mb -	Espin, T.E.	1919MNRAS..79..211E
Es_1919		MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920	Mb -	Espin, T.E.	1920MNRAS..80..329E
Es_1920		MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921	Mb j	Espin, T.E.	1921MNRAS..81..232E
Es_1921		MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922	Mb -	Espin, T.E.	1922MNRAS..82..187E
Es_1922		MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923	Mb -	Espin, T.E.	1923MNRAS..83..154E
Es_1923		MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924	Mb -	Espin, T.E.	1924MNRAS..84..162E
Es_1924		MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a	Mb -	Espin, T.E.	1925MNRAS..85..276E
Es_1925a		MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b	Mb -	Espin, T.E.	1925MNRAS..86...79E
Es_1925b		MNRAS 86, 79, 1925
Es_1926	Mb -	Espin, T.E.	1926MNRAS..86..131E
Es_1926		MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927	Mb -	Espin, T.E.	1927MNRAS..87..215E
Es_1927		MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928	Mb -	Espin, T.E.	1928MNRAS..88..185E
Es_1928		MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929	Mb -	Espin, T.E.	1929MNRAS..89..268E
Es_1929		MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930	Mb -	Espin, T.E.	1930MNRAS..90..317E
Es_1930		MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931	Mb -	Espin, T.E.	1931MNRAS..91..294E
Es_1931		MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a	Mb -	Espin, T.E.	1932MNRAS..92..214E
Es_1932a		MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B	Mb -	Espin, T.E.	1932QB821.A43......
Es_1932B		cited in ADS (Aitken Double Star Cat.), 1932
Es_1933	Mb -	Espin, T.E.	1933MNRAS..93..192E
Es_1933		MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A	Mb -	Espin, T.E.	1937AnLei..18....1S
Es_1937A		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
19169+6200	ES 1845		1999	5	152	5.3	8.21	9.90	K2	D	191651.52+615953.0
19169+6200	ES 1845		2010	6	150	5.0	8.21	9.90	K2	D	191651.52+615953.0
19169+6200	ES 1845		2018	7	153	5.8	8.21	9.90	K2		191651.52+615953.0
19169+6200	ES 1845		2019	11	147	5.3	8.21	9.90	K2		191651.52+615953.0

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

WDS 19169+6200 ES 1845 (HD 181520) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19169+6200 ES 1845 (HD 181520) : MEASURES

No records found.

WDS 19169+6200 (HD 181520) : 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 19169+6200 (HD 181520) : ALADIN DSS IMAGE @ 19^h 16^m 51.52^s +61° 59' 53.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19169+6200 ES 1845 (HD 181520) : 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		19169+6200	ES 1845		147	5.3
Show		19184+6159	MLR 139		10	2.9	12
Show		19148+6220	STI 883		86	14.3	25
Show		19135+6212	TOI1464		105	1.5	27
Show		19205+6214	LDS2763		296	10.5	30
Show		19141+6137	STI 881		18	10.4	31
Show		19143+6230	MLR 10		333	0.5	35
Show		19213+6227	STI 887		90	7.9	41
Show		19110+6224	HU 943		111	0.5	48
Show		19223+6118	MLB 173		265	2.0	58
Show		19231+6123	STI 893		331	12.6	58
Show		19204+6105	TOI1697		319	1.9	61
Show		19255+6150	ES 1846		282	6.8	63
Show		19169+6057	STI 884		278	6.1	64
Show		19259+6147	TDT1451	Aa,Ab	121	0.7	66
Show		19259+6147	ES 2679	AB	273	6.5	66
Show		19074+6156	UC 3806		6	34.2	67
Show		19071+6205	UC 3802		128	16.4	69
Show		19174+6310	ES 2677		88	14.4	71
Show		19070+6210	STI 875		13	7.2	71
Show		19130+6055	STI 880		6	14.4	71
Show		19241+6112	MLR 11		305	2.6	71
Show		19169+6312	STF2509		328	1.8	73
Show		19219+6306	MLR 50		347	3.1	75
Show		19132+6312	AG 228		101	37.1	77
Show		19277+6130	STI 897		321	12.7	83
Show		19066+6116	ES 191		240	6.1	85
Show		19068+6106	LDS2758	AB	350	20.8	90
Show		19230+6323	STI 894		327	11.0	93
Show		19162+6333	MOT 2		275	25.0	94
Show		19303+6207	HU 947		169	0.4	95
Show		19045+6245	TDT1211		32	0.8	98
Show		19297+6128	LDS2768		263	5.4	98
Show		19045+6248	MLR 8		16	0.6	98
Show		19144+6341	UC 3859		180	47.0	103
Show		19094+6029	TDT1256		97	1.5	106
Show		19069+6320	LDS2759		353	146.4	107
Show		19018+6204	UC 3767		258	22.3	107
Show		19299+6300	ES 1847		226	3.4	110
Show		19212+6014	A 707		149	0.3	111
Show		19033+6104	ES 1796		100	5.9	113
Show		19150+6354	TDT1318	Ba,Bb	21	1.5	114
Show		19150+6354	MOT 1	AB	154	79.1	115
Show		19334+6203	STF2553		131	1.0	117
Show		19224+6007	TDT1404		163	0.8	120
Show		19008+6125	LDS2755		55	8.5	121
Show		19295+6040	LDS2767	AB	186	106.9	121
Show		19059+6027	TDT1220		97	1.0	123
Show		19299+6324	TDT1500		289	2.1	123
Show		19055+6028	MLR 9		235	6.1	123
Show		19285+6335	LDS2437		37	32.0	125

WDS 19169+6200 : COMPONENTS

	A
B	pa=163.0° sep=4.67"

19169+6200 A

Componente originario normalizzato	AB	Name	HD 181520	Coord arcsec 2000	191651.52+615953.0	Mag	8.21
Spectral class	K2 (yellow-orange)	PmRA	18.00	PmDE	-13.0	SAO	18254
Tycho2	4221-01451-1	HD	181520	DM	BD+61 1839

Tycho2

Tycho2	4221-01451-1	Pflag		RAmdeg	289.21469620	DEmdeg	61.99805969
PmRA	12.6	PmDE	-8.7	E RAmdeg	7	E DEmdeg	7
E pmRA	3.1	E pmDE	3.0	EpRAm	1991.57	EpDEm	1991.61
Num	3	Q RAmdeg	0.6	Q DEmdeg	0.4	Q pmRA	0.5
Q pmDE	0.4	BTmag	9.284	E BTmag	0.019	VTmag	8.206
E VTmag	0.013	Prox	999	TYC	T	HIP
CCDM		RAdeg	289.21463389	DEdeg	61.99807972	EpRA 1990	1.63
EpDE 1990	1.67	E RAdeg	7.1	E DEdeg	7.3	Posflg
Corr	-0.1

SAO

SAO	18254	DelFlag		RA1950		PmRA1950	0.0012
DE1950		PmDE1950	0.005	Vmag	8.3	SpType	K2
Double code		Source	2	CatNum	1106	DM	BD+61 1839
DMcomp		BDsup		HD	181520	M HD	0
GC		RA1950rad	5.04517691	DE1950rad	1.08047962	PmRA2000	0.0019
PmDE2000	0.003

CCDM

Ccdm	19169+6200	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.50	DDEs	-7.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.3	Sp	K2	PmNote	*
PmRA	11	PmDE	-14	Dm number	+61 1839	Cat1	BD
Name2	+61 1106	Cat2	AGK2/3	HD	181520	M HD
ADS BDS	A12294	M ADS BDS		N IDS		IDS	19157N6149A
HIC

19169+6200 B

Componente originario normalizzato	AB		Coord arcsec 2000	191651.71+615948.5		Mag	9.9		Calc delta mag	1.69
Calc coord	yes

CCDM

Ccdm	19169+6200	RComp		Comp	B	Note1
Note2		Discov num	ES 1845	DRAs		DDEs
R dRAs		Year	1913	Theta	150	Rho	6.8
Obs	2	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A12294	M ADS BDS		N IDS		IDS	19157N6149B
HIC