21392-2543 NSN 494

21^h 39^m 09.98^s -25° 43' 16.8" P.A. 265.00 sep 10.3 mag 9.45,16.85

Coord 2000	21392-2543	Discov num	NSN 494	Comp		Coord arcsec 2000	21 39 09.98 -25 43 16.8
Date first	1998	Date last	2016	Obs	6
Pa first	265	Pa last	264.8	P.A. Now (θ)	264.8°
Sep first	9.9	Sep last	10.265	Sep. Now (ρ)	10.265"
Mag pri	9.45	Mag sec	16.85	delta mag (ΔM)	7.4	Spectral class
Pri motion ra	+213	Sec motion ra	+216
Pri motion dec	-007	Sec motion dec	-012
Notes	T (Parallax indicates physical)

rPM=0.027 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Piscis Austrinus		SAO	190521		Tycho2	6944-00665-1		HD	205904
DM	CD-2615730

WDS 21392-2543 NSN 494 : 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
21392-2543	NSN 494		2015	4	265	10.3	9.45	16.85		T	213909.98-254316.8
21392-2543	NSN 494		2016	6	265	10.3	9.45	16.85		T	213909.98-254316.8

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WDS 21392-2543 NSN 494 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21392-2543 NSN 494 : MEASURES

No records found.

WDS 21392-2543 : VIRTUAL EYEPIECE

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

WDS 21392-2543 : ALADIN DSS IMAGE @ 21^h 39^m 09.98^s -25° 43' 16.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21392-2543 NSN 494 : 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		21392-2543	NSN 494		265	10.3
Show		21410-2551	SEE 452		113	11.0	27
Show		21362-2610	RST1098	AB	7	18.2	49
Show		21362-2610	TOK 637	AC	62	999.9	49
Show		21412-2459	KPP1482		239	11.1	52
Show		21442-2555	RST1105		358	0.7	70
Show		21420-2439	SEE 453		325	11.5	75
Show		21447-2552	UC 4545		228	63.1	75
Show		21440-2631	HWE 57		290	1.7	81
Show		21338-2622	RST1095		316	0.9	82
Show		21456-2518	UC 4552		305	10.9	91
Show		21363-2715	RST1099		174	1.5	100
Show		21321-2514	B 2495		263	11.9	101
Show		21325-2631	RST1093		227	2.3	103
Show		21460-2642	HJ 3054		15	20.9	110
Show		21422-2726	TSN 99		275	656.2	111
Show		21324-2434	UC 4488		62	24.1	115
Show		21467-2635	SEE 458		82	1.1	115
Show		21432-2728	KPP4245		115	1.3	119
Show		21474-2630	LDS4907		295	5.1	122
Show		21423-2744	LDS5926		81	295.6	129
Show		21343-2353	BVD 138		121	25.1	129
Show		21477-2644	DEA 23		23	78.8	131
Show		21468-2706	STN 55		175	3.3	132
Show		21448-2735	UC 4547	AB	62	27.8	135
Show		21448-2735	UC 4547	AC	20	1.8	135
Show		21443-2348	LDS6360		111	8.1	136
Show		21304-2426	SEE 448	AB	254	1.5	143
Show		21304-2426	I 9028	AC	10	23.7	143
Show		21497-2539	COO 245		306	2.6	144
Show		21496-2505	UC 4575		48	8.9	147
Show		21499-2509	B 540		326	0.1	150
Show		21335-2753	BVD 137		58	40.2	151
Show		21416-2813	HJ 3046	AB	57	29.0	153
Show		21416-2813	UC 4530	AC	246	79.9	153
Show		21420-2316	SEE 454		208	5.1	153
Show		21451-2332	KPP1689		185	13.1	154
Show		21419-2314	UC 4533		265	11.7	154
Show		21316-2740	KPP 496		84	3.8	156
Show		21465-2338	UC 4557		162	8.1	160
Show		21423-2821	RST2185		121	3.2	164
Show		21405-2301	ARA2279		276	14.2	164
Show		21277-2453	HJ 5271		44	6.5	164
Show		21275-2446	LDS4886		240	52.1	168
Show		21406-2834	B 533		204	0.3	173
Show		21402-2245	UC 4522		214	11.3	179
Show		21524-2522	B 541		295	0.2	181
Show		21282-2358	BRT3102		36	4.8	183
Show		21495-2339	KPP 500		312	3.6	188
Show		21415-2228	UC 4527		41	61.6	198
Show		21257-2706	TDT2956		239	0.5	199

WDS 21392-2543 : COMPONENTS

	A
B	pa=264.2° sep=9.26"

21392-2543 A

Componente originario normalizzato	AB	Coord arcsec 2000	213909.98-254316.8	Mag	9.45	PmRA	213.00
PmDE	-7.0	SAO	190521	Tycho2	6944-00665-1	HD	205904
DM	CD-2615730

Tycho2

Tycho2	6944-00665-1	Pflag		RAmdeg	324.79158558	DEmdeg	-25.72132256
PmRA	217.4	PmDE	-8.4	E RAmdeg	9	E DEmdeg	11
E pmRA	1.7	E pmDE	1.5	EpRAm	1990.97	EpDEm	1989.93
Num	7	Q RAmdeg	1.3	Q DEmdeg	1.0	Q pmRA	1.4
Q pmDE	1.0	BTmag	9.546	E BTmag	0.021	VTmag	9.011
E VTmag	0.017	Prox	999	TYC	T	HIP
CCDM		RAdeg	324.79103000	DEdeg	-25.72130361	EpRA 1990	1.72
EpDE 1990	1.53	E RAdeg	9.2	E DEdeg	10.7	Posflg
Corr	-0.2

SAO

SAO	190521	DelFlag		RA1950		PmRA1950	0.015
DE1950		PmDE1950	0.002	Vmag	8.6	SpType	F8
Double code		Source	25	CatNum	14867	DM	CD-2615730
DMcomp		BDsup		HD	205904	M HD	0
GC		RA1950rad	5.65607239	DE1950rad	-0.45287274	PmRA2000	0.0149
PmDE2000	0

21392-2543 B

Componente originario normalizzato	AB		Coord arcsec 2000	213909.30-254317.7		Mag	16.85		PmRA	216.00
PmDE	-12.0		Calc delta mag	7.4		Calc coord	yes