19507+4851 HU 684 (HD 187980)

19^h 50^m 42.92^s +48° 51' 05.6" P.A. 236.00 sep 0.1 mag 9.40,9.40 Sp F8

Coord 2000	19507+4851	Discov num	HU 684	Comp		Coord arcsec 2000	19 50 42.92 +48 51 05.6
Date first	1904	Date last	2008	Obs	20
Pa first	175	Pa last	236.4	P.A. Now (θ)	236.4°
Sep first	0.9	Sep last	0.101	Sep. Now (ρ)	0.101"
Mag pri	9.40	Mag sec	9.40	delta mag (ΔM)	0	Spectral class	F8 (yellow-white)
Pri motion ra	+020	Sec motion ra
Pri motion dec	-115	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 187980		Constellation	Cygnus		SAO	48899		Tycho2	3565-01246-1
Gaia DR2	2086759755403523456		HD	187980

WDS 19507+4851 HU 684 (HD 187980) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hu_1896	not -	Hussey, W.F.	1896PASP....8..183H
Hu_1896		PASP 8, 183, 1896
Hu_1897	Ma -	Hussey, W.J.	1897AJ.....17...97H
Hu_1897		AJ 17, 97, 1897
Hu_1898	Ma j	Hussey, W.J.	1898AJ.....18..145H
Hu_1898		AJ 18, 145, 1898
Hu_1899	Ma j	Hussey, W.J.	1899AN....150..175H
Hu_1899		AN 150, 175, 1899
Hu_1900a	Ma -	Hussey, W.J.	1900AJ.....20..192H
Hu_1900a		AJ 20, 192, 1900
Hu_1900b	Ma -	Hussey, W.J.	1900AJ.....21...35H
Hu_1900b		AJ 21, 35, 1900
Hu_1900c	Ma j	Hussey, W.J.	1900AN....152..329H
Hu_1900c		AN 152, 329, #3645, 1900
Hu_1901a	Ma j	Hussey, W.J.	1901PLicO...5.....H
Hu_1901a	+orb	Pub. Lick Obs. 5, 1901
Hu_1901b	Ma j	Hussey, W.J.	1901LicOB...1...82H
Hu_1901b		Lick Obs. Bull. 1, 82, 1901
Hu_1902a	Ma j	Hussey, W.J.	1902LicOB...1..161H
Hu_1902a		Lick Obs. Bull. 1, 161, 1902
Hu_1902b	Ma j	Hussey, W.J.	1902LicOB...2....1H
Hu_1902b		Lick Obs. Bull. 2, 1, 1902
Hu_1903a	Ma j	Hussey, W.J.	1903LicOB...2...73H
Hu_1903a		Lick Obs. Bull. 2, 73, 1903
Hu_1903b	Ma j	Hussey, W.J.	1903LicOB...2..115H
Hu_1903b		Lick Obs. Bull. 2, 115, 1903
Hu_1904a	Ma j	Hussey, W.J.	1904LicOB...2..180H
Hu_1904a		Lick Obs. Bull. 2, 180, 1904
Hu_1904b	Ma -	Hussey, W.J.	1904LicOB...3...53H
Hu_1904b		Lick Obs. Bull. 3, 53, 1904
Hu_1905a	Ma -	Hussey, W.J.	1905LicOB...3...95H
Hu_1905a		Lick Obs. Bull. 3, 95, 1905
Hu_1905b	Ma -	Hussey, W.J.	1905LicOB...3..116H
Hu_1905b		Lick Obs. Bull. 3, 116, 1905
Hu_1905c	Ma -	Hussey, W.J.	1905LicOB...3..151H
Hu_1905c		Lick Obs. Bull. 3, 151, 1905
Hu_1906A	Ma -	Hussey, W.J.	1906MmRAS..56....1L
Hu_1906A		cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B	Ma -	Hussey, W.J.	1906QB821.B972.....
Hu_1906B		cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907	Ma -	Hussey, W.J.	1907LicOB...4..124H
Hu_1907		Lick Obs. Bull. 4, 124, 1907
Hu_1910	Ma -	Hussey, W.J.	1910AJ.....21..105H
Hu_1910		AJ 21, 105, 1910
Hu_1911	Ma -	Hussey, W.J.	1911LicOB...6..182H
Hu_1911		Lick Obs. Bull. 6, 182, 1911
Hu_1912a	Ma -	Hussey, W.J.	1915POMic...1..147H
Hu_1912a		Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b	Ma -	Hussey, W.J.	1915POMic...1..160H
Hu_1912b		Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c	Ma -	Hussey, W.J.	1915POMic...1..167H
Hu_1912c		Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A	Ma -	Hussey, W.J.	1927sdsc.book......
Hu_1927A		cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A	Ma -	Hussey, W.J.	1932QB821.A43......
Hu_1932A		cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999	Ma -	Hussey, W.J.	...................
Hu_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
19507+4851	HU 684		1986	19	152	0.2	9.40	9.40	F8		195042.92+485105.6
19507+4851	HU 684		2008	20	236	0.1	9.40	9.40	F8		195042.92+485105.6

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

WDS 19507+4851 HU 684 (HD 187980) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19507+4851 HU 684 (HD 187980) : MEASURES

No records found.

WDS 19507+4851 (HD 187980) : 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 19507+4851 (HD 187980) : ALADIN DSS IMAGE @ 19^h 50^m 42.92^s +48° 51' 05.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19507+4851 HU 684 (HD 187980) : 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		19507+4851	HU 684		236	0.1
Show		19509+4841	DEA 126		251	7.0	10
Show		19521+4838	KOI5868		94	2.8	20
Show		19519+4833	KOI 170		161	3.2	22
Show		19531+4855	KOI 294		250	1.6	24
Show		19534+4842	KOI3200		98	4.2	28
Show		19533+4838	DEA 274		277	11.5	29
Show		19496+4825	KOI7397		56	3.8	29
Show		19478+4858	HU 683		265	1.2	30
Show		19500+4821	DEA 363		248	16.9	31
Show		19481+4914	KOI 767		92	2.8	35
Show		19479+4912	KOI5896		359	2.3	36
Show		19491+4819	KOI 291		317	0.1	36
Show		19511+4927	KOI 540		320	3.2	36
Show		19480+4915	KOI2836		71	3.8	37
Show		19471+4901	TDT1745		177	0.6	38
Show		19536+4915	TOB 161		220	22.3	38
Show		19540+4915	ES 2686		304	19.1	41
Show		19469+4906	KOI2551		198	2.6	41
Show		19534+4820	KOI7390		210	3.2	41
Show		19545+4835	KOI 214	AB	197	0.1	41
Show		19545+4835	KOI 214	AC	119	3.8	41
Show		19546+4836	KOI 346		353	1.6	42
Show		19539+4918	ACA 2		299	23.0	42
Show		19482+4929	KOI4625		69	1.2	45
Show		19543+4824	DEA 114		306	6.5	45
Show		19478+4815	KOI4149		65	1.6	46
Show		19474+4819	KOI7389		291	1.8	46
Show		19542+4820	KOI 433	AB	6	2.4	47
Show		19542+4820	KOI 433	AC	291	3.7	47
Show		19538+4816	DEA 428		181	24.4	47
Show		19499+4937	KOI 365	AB	316	7.0	47
Show		19509+4938	KOI 356	AB	217	0.5	48
Show		19509+4938	KOI 356	AC	228	4.1	48
Show		19468+4919	KOI 771		281	1.8	48
Show		19473+4814	KOI 17		41	4.1	50
Show		19552+4828	KOI7399		246	3.8	51
Show		19480+4808	KOI 753		200	3.7	51
Show		19510+4942	KOI5928		37	3.4	52
Show		19459+4911	KOI2069		108	1.1	52
Show		19537+4936	ES 2685		250	32.9	54
Show		19535+4939	ARG 87		271	14.8	55
Show		19559+4912	HU 688		291	3.9	56
Show		19469+4932	KOI2225	AB	189	2.4	56
Show		19469+4932	KOI2225	AC	10	3.5	56
Show		19450+4849	ES 1098		164	3.8	56
Show		19473+4806	KOI 174		77	0.6	57
Show		19476+4803	KOI4405	AB	250	3.0	58
Show		19476+4803	KOI4405	AC	201	3.9	58
Show		19454+4918	DEA 346		18	15.1	59
Show		19491+4949	JKA 85		196	6.9	60

WDS 19507+4851 : COMPONENTS

	A
B	pa=224.7° sep=0.08"

19507+4851 A

Componente originario normalizzato	AB	Name	HD 187980	Coord arcsec 2000	195042.92+485105.6	Mag	9.4
Spectral class	F8 (yellow-white)	PmRA	20.00	PmDE	-115.0	SAO	48899
Tycho2	3565-01246-1	HD	187980	DM	BD+48 2966

Tycho2

Tycho2	3565-01246-1	Pflag		RAmdeg	297.67885620	DEmdeg	48.85156067
PmRA	20.4	PmDE	-113.4	E RAmdeg	8	E DEmdeg	8
E pmRA	1.3	E pmDE	1.3	EpRAm	1990.97	EpDEm	1991.08
Num	8	Q RAmdeg	1.2	Q DEmdeg	1.0	Q pmRA	1.2
Q pmDE	1.1	BTmag	9.239	E BTmag	0.019	VTmag	8.695
E VTmag	0.014	Prox	999	TYC	T	HIP
CCDM		RAdeg	297.67878528	DEdeg	48.85182222	EpRA 1990	1.63
EpDE 1990	1.69	E RAdeg	8.2	E DEdeg	7.9	Posflg
Corr	-0.1

SAO

SAO	48899	DelFlag		RA1950		PmRA1950	0.001
DE1950		PmDE1950	-0.111	Vmag	8.3	SpType	F8
Double code		Source	3	CatNum	1554	DM	BD+48 2966
DMcomp		BDsup		HD	187980	M HD	0
GC		RA1950rad	5.189206	DE1950rad	0.85040408	PmRA2000	0.0015
PmDE2000	-0.113

CCDM

Ccdm	19507+4851	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.77	DDEs	5.2
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.4	Sp	F8	PmNote	*
PmRA	7	PmDE	-120	Dm number	+48 2966	Cat1	BD
Name2	+48 1554	Cat2	AGK2/3	HD	187980	M HD
ADS BDS	A13024	M ADS BDS		N IDS		IDS	19478N4836A
HIC

19507+4851 B

Componente originario normalizzato

Coord arcsec 2000

195042.91+485105.5

Mag

9.4

Calc coord

yes

CCDM

Ccdm	19507+4851	RComp		Comp	B	Note1
Note2		Discov num	HU 684	DRAs		DDEs
R dRAs		Year	1956	Theta	164	Rho	0.5
Obs	10	Vmag	9.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13024	M ADS BDS		N IDS		IDS	19478N4836B
HIC