20313+4913 S 756 (Ome2 Cyg)

20^h 31^m 18.82^s +49° 13' 13.1" P.A. 327.00 sep 60.7 mag 5.62,10.24 Sp M2IIIab dist. 122.4 pc (399.27 l.y.)

Coord 2000	20313+4913	Discov num	S 756	Comp		Coord arcsec 2000	20 31 18.82 +49 13 13.1
Date first	1825	Date last	2010	Obs	24
Pa first	319	Pa last	326.7	P.A. Now (θ)	326.7°
Sep first	55.8	Sep last	60.73	Sep. Now (ρ)	60.73"
Mag pri	5.62	Mag sec	10.24	delta mag (ΔM)	4.62	Spectral class	M2IIIab (red)
Pri motion ra	+009	Sec motion ra	+031
Pri motion dec	-032	Sec motion dec	+027
Notes	N L (See Notes, Linear solution)

rPM=1.532

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	Ome2 Cyg	Var name	NSV13128 Cyg	Constellation	Cygnus	SAO	49741
HIP	101243	Tycho2	3581-02030-1	Gaia DR2	2180033354016699136	HD	195774
HR	7851	GC	28569	BD	BD+48 3154	Bayer	Omega 2 Cygni
Bayer name	Ome2 Cyg	Flamsteed	46 Cygni	Flamsteed name	46 Cyg	Distance	122.4
Distance ly	399.27	Bayer greek	ω² Cyg

WDS 20313+4913 S 756 (Ome2 Cyg) : NOTES

discov_num	notes	refcode
S 756	ome 2 Cyg = 46 Cyg

REFERENCES

refcode	metd	author	reference
S__1826	Ma -	South, J.	1826RSPT..116....1S
S__1826		Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A	Ma -	South, J.	1844QB43.S66.......
S__1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A	Ma -	South, J.	.
S__1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A	Ma -	South, J.	1880MNRAS..40..497B
S__1880A		cited by Burnham (MNRAS 40, 497, 1880)
S__1906A	Ma -	South, J.	1906MmRAS..56....1L
S__1906A		cited by Lewis (MemRAS 56, 1, 1906)
S__1906B	Ma -	South, J.	1906QB821.B972.....
S__1906B		cited in BDS (Burnham Double Star Cat., 1906)
S__1913A	Ma -	South, J.	1913QB811.B8.......
S__1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A	Ma -	South, J.	1922AN....216...49R
S__1922A		cited by Rabe (AN 216, 49, 1922)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20313+4913	S 756		2006	22	327	60.2	5.62	10.24	M2IIIab	NLD	203118.82+491313.1
20313+4913	S 756		2010	23	327	60.7	5.62	10.24	M2IIIab	NLD	203118.82+491313.1

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WDS 20313+4913 S 756 (Ome2 Cyg) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20313+4913 S 756 (Ome2 Cyg) : MEASURES

No records found.

WDS 20313+4913 (Ome2 Cyg) : VIRTUAL EYEPIECE

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

WDS 20313+4913 (Ome2 Cyg) : ALADIN DSS IMAGE @ 20^h 31^m 18.82^s +49° 13' 13.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20313+4913 S 756 (Ome2 Cyg) : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20313+4913	S 756		327	60.7
Show		20309+4913	S 755	AB	278	59.9	5
Show		20309+4913	ES 2695	AC	118	20.2	5
Show		20318+4933	BU 1136		215	0.7	20
Show		20301+4857	BU 669	AB	336	15.0	21
Show		20301+4857	BU 669	AC	89	55.8	21
Show		20301+4857	GUI 32	AD	44	131.1	21
Show		20300+4940	HU 589		204	1.6	30
Show		20330+4950	MCA 61	AB	233	0.1	41
Show		20330+4950	RBR 49	AC	136	4.3	41
Show		20271+4909	ES 802		238	5.1	42
Show		20306+4956	TDT2331		235	0.9	44
Show		20320+5001	HEI 909		234	2.7	49
Show		20273+4948	BVD 269		288	11.1	52
Show		20347+4957	ES 2696		147	12.2	55
Show		20348+4830	ES 666		317	3.0	56
Show		20280+4829	HU 587		338	0.6	56
Show		20281+4822	TDT2302		249	1.4	60
Show		20304+5014	ES 1100		285	2.6	63
Show		20281+4815	ES 803		351	6.1	67
Show		20246+4904	HEI 908		331	2.4	68
Show		20311+5022	ES 1101		240	2.2	69
Show		20273+4815	TDT2286		50	1.7	71
Show		20246+4842	ES 2694		321	11.9	74
Show		20341+4804	YSC 116		270	0.2	75
Show		20334+4752	J 4		1	2.6	85
Show		20387+4830	HJ 1558		205	4.4	86
Show		20223+4930	TDT2212		356	2.5	90
Show		20286+5039	HJ 1524		125	5.3	90
Show		20378+5018	DAM 293		286	4.8	91
Show		20405+4855	ES 807		154	3.9	93
Show		20406+4900	ES 509		285	8.6	93
Show		20323+5048	RAO 615		157	0.8	96
Show		20396+4823	RAO 616		122	1.8	96
Show		20376+5028	L 49		82	4.1	97
Show		20380+5025	DAM 294		258	4.1	98
Show		20383+5023	HU 588	AB	245	2.0	98
Show		20383+4804	ES 89	AB	209	21.5	98
Show		20287+4737	GRF 17		102	160.1	100
Show		20361+4745	HJ 1549		55	5.5	100
Show		20379+4757	GUI 33	BC	199	76.6	101
Show		20379+4757	STF2707	AB	29	21.8	101
Show		20379+4757	STF2707	AC	195	55.3	101
Show		20379+4757	ES 2697	AD	192	17.5	101
Show		20379+4757	HDS2944	Ca,Cb	29	0.4	101
Show		20243+4800	TDT2240		175	0.6	102
Show		20397+4806	ES 806	AB	267	7.0	102
Show		20397+4806	ES 806	AC	24	11.9	102
Show		20389+4803	CNT 7		82	3.5	103
Show		20418+4929	HEI 910		201	1.6	104
Show		20233+4807	A 727		61	0.9	104

WDS 20313+4913 : COMPONENTS

	A
B	pa=336.8° sep=55.23"

20313+4913 A

Componente originario normalizzato	AB	Name	Ome2 Cyg	Coord arcsec 2000	203118.82+491313.1	Mag	5.62
Spectral class	M2IIIab (red)	PmRA	9.00	PmDE	-32.0	SAO	49741
HIP	101243	Tycho2	3581-02030-1	HD	195774	HR	7851
GC	28569	BD	BD+48 3154	Bayer	Omega 2 Cygni	Bayer name	Ome2
Flamsteed	46 Cygni	Flamsteed name	46 Cyg

Tycho2

Tycho2	3581-02030-1	Pflag		RAmdeg	307.82840191	DEmdeg	49.22029351
PmRA	9.7	PmDE	-32.7	E RAmdeg	4	E DEmdeg	4
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.56	EpDEm	1991.52
Num	11	Q RAmdeg	0.8	Q DEmdeg	1.2	Q pmRA	0.6
Q pmDE	1.2	BTmag	7.492	E BTmag	0.015	VTmag	5.620
E VTmag	0.009	Prox	600	TYC	T	HIP	101243
CCDM		RAdeg	307.82836778	DEdeg	49.22036889	EpRA 1990	1.75
EpDE 1990	1.71	E RAdeg	3.6	E DEdeg	3.6	Posflg
Corr	0.1

SAO

SAO	49741	DelFlag		RA1950		PmRA1950	0.0008
DE1950		PmDE1950	-0.026	Vmag	5.6	SpType	M0
Double code		Source	70	CatNum	28569	DM	BD+48 3154
DMcomp		BDsup		HD	195774	M HD	0
GC	28569	RA1950rad	5.36587991	DE1950rad	0.85609843	PmRA2000	0.0012
PmDE2000	-0.028

Hipparcos

Catalog	H	HIP	101243	Proxy		RAhms	20 31 18.81
DEdms	+49 13 13.3	Vmag	5.44	VarFlag	1	R Vmag	H
RAdeg	307.828	DEdeg	49.2204	AstroRef		Plx	8.07
CCDM	20313+4914	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	195774	BD	BD+48 3154
CD		CP		Dm number	+48 3154	VIred	1.92
SpType	M2III	R SpType		Coord arcsec 2000	203118.81+491313.3

Hipparcos 2

HIP	101243	Sn	5	So	0	Nc	1
RArad	5.3726185589	DErad	0.8590575763	Plx	8.17	PmRA	9.21
PmDE	-31.88	E RArad	0.17	E DErad	0.16	E Plx	0.19
E pmRA	0.19	E pmDE	0.17	Hpmag	5.5292	E Hpmag	0.0013
SHp	0.011	VA	2	BV	1.566	E BV	0.007
VI	1.93

20313+4913 B

Componente originario normalizzato	AB		Coord arcsec 2000	203116.60+491403.9		Mag	10.24		PmRA	31.00
PmDE	27.0		Calc delta mag	4.62		Calc coord	yes