21439+0419 NSN 6

21^h 43^m 51.54^s +04° 19' 25.0" P.A. 339.00 sep 3.8 mag 13.30,17.00 Sp K9

Coord 2000	21439+0419	Discov num	NSN 6	Comp		Coord arcsec 2000	21 43 51.54 +04 19 25.0
Date first	1953	Date last	2016	Obs	9
Pa first	335	Pa last	339.4	P.A. Now (θ)	339.4°
Sep first	2.9	Sep last	3.801	Sep. Now (ρ)	3.801"
Mag pri	13.30	Mag sec	17.00	delta mag (ΔM)	3.7	Spectral class	K9 (yellow-orange)
Pri motion ra	-059	Sec motion ra	-056
Pri motion dec	-172	Sec motion dec	-170
Notes	V (Proper motion indicates physical)

rPM=0.02 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Gaia DR2

2695363836785625344

WDS 21439+0419 NSN 6 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Nsn2013	M+ w	Nanson, J., McGaughey, S. & Armstrong, J.D.	2013JDSO....9..267N
Nsn2013	+C	JDSO 9, 267, 2013
Nsn2014	C u	Nanson, J. & Smith, S.C.	2014JDSO...10..139N
Nsn2014		JDSO 10, 139, 2014
Nsn2015	C -	Nanson, J., Smith, S.C. & Thuemen, C.	2015JDSO...11...12N
Nsn2015		JDSO 11, 12, 2015
Nsn2016	not -	Nanson, J.	...................
Nsn2016		private communication, 2016
Nsn2016b	C j	Nanson, J. & Knapp, W.R.A.	2016JDSO...12..450N
Nsn2016b		JDSO 12, 450, 2016
Nsn2016c	not -	Nanson, J.	2016JDSO...12..573N
Nsn2016c		JDSO 12, 573, 2016
Nsn2017a	not -	Nanson, J.	...................
Nsn2017a		private communication, 2017
Nsn2017b	not -	Nanson, J.	...................
Nsn2017b		private communication, 2017
Nsn2017c	C j	Nanson, J. & Knapp, W.R.A.	2017JDSO...13..299N
Nsn2017c	+E+	JDSO 13, 299, 2017
Nsn2017c	+Hg
Nsn2017d	not -	Nanson, J.	...................
Nsn2017d		private communication, 2017
Nsn2017e	not -	Nanson, J. & Knapp, W.	...................
Nsn2017e		private communication, 2017
Nsn2018a	Hg j	Nanson, J.	...................
Nsn2018a		private communication, 2018 (15 February 2018 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21439+0419	NSN 6		2016	7	339	3.8	13.30	17.00	K9	V	214351.54+041925.0

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WDS 21439+0419 NSN 6 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21439+0419 NSN 6 : MEASURES

No records found.

WDS 21439+0419 : VIRTUAL EYEPIECE

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

WDS 21439+0419 : ALADIN DSS IMAGE @ 21^h 43^m 51.54^s +04° 19' 25.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21439+0419 NSN 6 : 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		21439+0419	NSN 6		339	3.8
Show		21450+0419	BAL2564		195	5.2	17
Show		21420+0408	J 1790		95	2.3	30
Show		21462+0423	CVR 918		268	9.0	36
Show		21425+0342	CVR 916		238	9.8	43
Show		21440+0335	A 2098		222	1.1	45
Show		21441+0506	TDS1144		115	1.1	47
Show		21470+0408	STE 14	AB	328	31.4	48
Show		21476+0431	CVR 920		71	8.8	57
Show		21442+0518	GWP3090		68	12.6	59
Show		21403+0344	STT 446		173	6.6	65
Show		21396+0431	HEI 822		359	1.2	67
Show		21404+0514	DBR 329		304	5.5	76
Show		21403+0516	SKF 484		23	14.9	79
Show		21448+0300	BU 689		244	1.8	82
Show		21462+0536	HJ 3057		7	21.2	84
Show		21485+0331	HEI 289		312	0.7	85
Show		21430+0253	GWP3088		239	6.8	88
Show		21480+0521	BRT2293		310	1.4	89
Show		21483+0518	BRT2294		242	2.3	89
Show		21447+0250	BU 1263		193	0.6	91
Show		21456+0251	BAL2056		269	8.1	92
Show		21412+0252	GRV 492		171	58.7	95
Show		21385+0513	BAL2981		265	4.3	97
Show		21423+0555	HU 280			0.1	99
Show		21489+0523	HU 281		146	1.5	99
Show		21408+0252	GWP3086		300	45.8	100
Show		21395+0534	CVR 912		105	24.1	100
Show		21495+0324	STF2828	AB	140	33.7	102
Show		21495+0324	STF2828	AD	73	10.7	102
Show		21495+0324	STF2828	AC	134	33.1	102
Show		21495+0324	STF2828	BC	39	3.5	102
Show		21379+0510	SLW1245		42	9.9	103
Show		21489+0309	GWP3097		230	29.2	104
Show		21395+0544	FMR 164		88	148.3	108
Show		21445+0607	HDS3096		79	1.3	108
Show		21426+0233	HDS3092		156	0.3	108
Show		21437+0230	HJ 3052		291	14.3	110
Show		21504+0514	BRT2192		24	3.3	112
Show		21364+0351	BAL2562		152	17.1	115
Show		21492+0543	GIC 172		126	434.7	116
Show		21377+0528	J 1406		207	2.5	117
Show		21385+0546	HJ 941		310	33.3	118
Show		21465+0611	GRV 502		204	30.4	119
Show		21513+0332	HEI 291		300	2.3	121
Show		21512+0321	J 1724		24	6.1	123
Show		21358+0342	GWP3076		318	10.5	126
Show		21379+0245	ITF 109		115	5.6	130
Show		21417+0625	HU 278	AB	202	3.0	130
Show		21417+0625	HU 278	AC	233	18.5	130
Show		21514+0525	BAL2983		16	6.0	131

WDS 21439+0419 : COMPONENTS

	A
B	pa=339.5° sep=3.80"

21439+0419 A

Componente originario normalizzato	AB		Coord arcsec 2000	214351.54+041925.0		Mag	13.3		Spectral class	K9 (yellow-orange)
PmRA	-59.00		PmDE	-172.0

21439+0419 B

Componente originario normalizzato	AB		Coord arcsec 2000	214351.45+041928.6		Mag	17		PmRA	-56.00
PmDE	-170.0		Calc delta mag	3.7		Calc coord	yes