19100+4941 JKA 30 (HD 179420)

19^h 09^m 57.50^s +49° 40' 50.9" P.A. 77.00 sep 61.8 mag 7.99,9.90

Coord 2000	19100+4941	Discov num	JKA 30	Comp		Coord arcsec 2000	19 09 57.50 +49 40 50.9
Date first	1901	Date last	2019	Obs	15
Pa first	77	Pa last	76.7	P.A. Now (θ)	76.7°
Sep first	61.5	Sep last	61.77	Sep. Now (ρ)	61.77"
Mag pri	7.99	Mag sec	9.90	delta mag (ΔM)	1.91	Spectral class
Pri motion ra	-004	Sec motion ra	-005
Pri motion dec	-020	Sec motion dec	-019
Notes	T (Parallax indicates physical)

rPM=0.069 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 179420		Constellation	Cygnus		SAO	48148		Tycho2	3550-01637-1
Gaia DR2	2132817953891752576		HD	179420		DM	BD+49 2947

WDS 19100+4941 JKA 30 (HD 179420) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
JKA2017	-	Janes, K.A.	2017ApJ...835...75J
JKA2017		ApJ 835, 75, 2017

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19100+4941	JKA 30		2003	8	76	61.8	7.99	9.90		U	190957.50+494050.9
19100+4941	JKA 30		2015	9	76	61.8	7.99	9.90		U	190957.50+494050.9
19100+4941	JKA 30		2019	14	77	61.8	7.99	9.90		T	190957.50+494050.9

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WDS 19100+4941 JKA 30 (HD 179420) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19100+4941 JKA 30 (HD 179420) : MEASURES

No records found.

WDS 19100+4941 (HD 179420) : VIRTUAL EYEPIECE

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

WDS 19100+4941 (HD 179420) : ALADIN DSS IMAGE @ 19^h 09^m 57.50^s +49° 40' 50.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19100+4941 JKA 30 (HD 179420) : 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		19100+4941	JKA 30		77	61.8
Show		19101+4948	KOI2199		53	2.3	8
Show		19103+4933	KOI7455	AB	306	1.9	9
Show		19103+4933	KOI7455	AC	52	3.3	9
Show		19098+4950	DEA 307		50	12.9	10
Show		19104+4931	KOI1781		332	3.5	11
Show		19097+4930	RAO 176	Aa,Ab	149	3.6	12
Show		19093+4931	DEA 116		130	6.7	12
Show		19095+4927	KOI3120		278	1.1	15
Show		19096+5002	SMA 84		48	9.7	22
Show		19121+4951	STF2486	AB	203	7.0	24
Show		19121+4951	STF2486	AC	96	27.2	24
Show		19121+4951	STF2486	AD	104	196.0	24
Show		19121+4951	HLA 33	AE	338	7.3	24
Show		19099+4915	RAO 175		358	3.3	26
Show		19077+4956	DEA 340		47	14.5	27
Show		19127+4945	SMA 85		210	30.7	28
Show		19103+4911	KPP3337		20	12.1	30
Show		19107+4908	KOI1771		39	3.6	34
Show		19095+4907	DEA 382		106	18.4	34
Show		19072+4919	DAE 12	AB	136	1.1	35
Show		19072+4919	KOI 1	AC	112	6.0	35
Show		19084+5012	JKA 27		198	91.9	35
Show		19063+4939	JKA 26		264	113.0	36
Show		19085+5015	HDS2713		193	0.1	38
Show		19069+5005	DEA 149		324	7.6	38
Show		19068+5006	ES 1094		149	6.2	40
Show		19059+4939	KOI1831	AB	313	1.9	40
Show		19059+4939	KOI1831	AC	18	2.2	40
Show		19059+4939	KOI1831	AD	83	2.7	40
Show		19062+4926	DSG 2		217	0.2	40
Show		19081+4905	A 1390		239	1.9	41
Show		19106+4859	KOI2460		192	2.4	43
Show		19148+4943	KOI 434		241	3.2	47
Show		19148+4950	UC 3864		155	13.3	49
Show		19052+4955	ES 2673	AB	130	12.0	49
Show		19052+4955	WAL 103	AC	49	73.0	49
Show		19067+5020	RAP 3		314	0.1	51
Show		19061+4904	KOI7433		57	2.4	53
Show		19050+5002	KOI 20		140	5.0	53
Show		19057+5018	KOI1530		105	2.7	56
Show		19157+4946	KOI 541		247	2.8	56
Show		19041+4937	KOI1442	AB	71	2.1	57
Show		19041+4937	KOI1442	AC	90	5.7	57
Show		19153+5004	STF2496	AB	81	2.1	57
Show		19153+5004	STF2496	AC	242	186.1	57
Show		19151+5010	KOI1471		147	2.3	58
Show		19050+5015	KOI 514		42	10.5	59
Show		19038+4941	DEA 453		284	31.8	60
Show		19098+5040	KPP 435		225	3.9	60
Show		19062+4854	KOI4653		324	0.8	60

WDS 19100+4941 : COMPONENTS

	A
B	pa=69.9° sep=41.41"

19100+4941 A

Componente originario normalizzato	AB	Name	HD 179420	Coord arcsec 2000	190957.50+494050.9	Mag	7.99
PmRA	-4.00	PmDE	-20.0	SAO	48148	Tycho2	3550-01637-1
HD	179420	DM	BD+49 2947

Tycho2

Tycho2	3550-01637-1	Pflag		RAmdeg	287.48969386	DEmdeg	49.68081223
PmRA	-8.2	PmDE	-17.4	E RAmdeg	6	E DEmdeg	6
E pmRA	1.3	E pmDE	1.3	EpRAm	1991.22	EpDEm	1991.32
Num	7	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.9
Q pmDE	1.0	BTmag	9.366	E BTmag	0.019	VTmag	7.987
E VTmag	0.011	Prox	618	TYC	T	HIP
CCDM		RAdeg	287.48972333	DEdeg	49.68085222	EpRA 1990	1.60
EpDE 1990	1.70	E RAdeg	6.1	E DEdeg	5.9	Posflg
Corr	0.0

SAO

SAO	48148	DelFlag		RA1950		PmRA1950	0.0006
DE1950		PmDE1950	-0.02	Vmag	7.5	SpType	K0
Double code		Source	3	CatNum	1496	DM	BD+49 2947
DMcomp		BDsup		HD	179420	M HD	0
GC		RA1950rad	5.01191848	DE1950rad	0.86565089	PmRA2000	0.0011
PmDE2000	-0.021

19100+4941 B

Componente originario normalizzato	AB		Coord arcsec 2000	191001.51+494105.1		Mag	9.9		PmRA	-5.00
PmDE	-19.0		Calc delta mag	1.91		Calc coord	yes