21497-2539 COO 245 (HD 207464)

21^h 49^m 44.79^s -25° 38' 32.3" P.A. 306.00 sep 2.6 mag 9.57,9.84 Sp F0V

Coord 2000	21497-2539	Discov num	COO 245	Comp		Coord arcsec 2000	21 49 44.79 -25 38 32.3
Date first	1897	Date last	2015	Obs	13
Pa first	306	Pa last	305.7	P.A. Now (θ)	305.7°
Sep first	2.5	Sep last	2.604	Sep. Now (ρ)	2.604"
Mag pri	9.57	Mag sec	9.84	delta mag (ΔM)	0.27	Spectral class	F0V (yellow-white)
Pri motion ra	+037	Sec motion ra	-042
Pri motion dec	-027	Sec motion dec	+029
Notes

rPM=1.897

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 207464		Constellation	Piscis Austrinus		Tycho2	6956-00692-1		Gaia DR2	6812842880588654080
HD	207464

WDS 21497-2539 COO 245 (HD 207464) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
CoO1927A	T -	Cordoba Obs.	1927sdsc.book......
CoO1927A		cited in SDS (Southern Double Star Catalog), 1927
CoO9999	T -	Cordoba Obs.	...................
CoO9999		Unpublished, manuscript or reference not found.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
21497-2539	COO 245		1991	11	306	2.6	9.57	9.84	F0V		214944.79-253832.3
21497-2539	COO 245		1999	12	305	2.6	9.57	9.84	F0V		214944.79-253832.3
21497-2539	COO 245		2015	13	306	2.6	9.57	9.84	F0V		214944.79-253832.3

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

WDS 21497-2539 COO 245 (HD 207464) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21497-2539 COO 245 (HD 207464) : MEASURES

No records found.

WDS 21497-2539 (HD 207464) : VIRTUAL EYEPIECE

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WDS 21497-2539 (HD 207464) : ALADIN DSS IMAGE @ 21^h 49^m 44.79^s -25° 38' 32.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21497-2539 COO 245 (HD 207464) : 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		21497-2539	COO 245		306	2.6
Show		21499-2509	B 540		326	0.1	30
Show		21496-2505	UC 4575		48	8.9	34
Show		21524-2522	B 541		295	0.2	40
Show		21474-2630	LDS4907		295	5.1	60
Show		21456-2518	UC 4552		305	10.9	60
Show		21467-2635	SEE 458		82	1.1	70
Show		21447-2552	UC 4545		228	63.1	70
Show		21477-2644	DEA 23		23	78.8	71
Show		21546-2509	BRT3103		175	3.6	73
Show		21442-2555	RST1105		358	0.7	77
Show		21460-2642	HJ 3054		15	20.9	82
Show		21540-2642	B 544		106	1.7	85
Show		21440-2631	HWE 57		290	1.7	94
Show		21468-2706	STN 55		175	3.3	97
Show		21559-2701	LDS5936		18	9.3	118
Show		21410-2551	SEE 452		113	11.0	119
Show		21495-2339	KPP 500		312	3.6	120
Show		21420-2439	SEE 453		325	11.5	121
Show		21587-2534	TDT3271		60	0.9	122
Show		21412-2459	KPP1482		239	11.1	124
Show		21465-2338	UC 4557		162	8.1	128
Show		21563-2717	TDT3249	Aa,Ab	33	0.4	133
Show		21563-2717	SEE 461	AB	62	4.0	133
Show		21443-2348	LDS6360		111	8.1	135
Show		21448-2735	UC 4547	AB	62	27.8	135
Show		21448-2735	UC 4547	AC	20	1.8	135
Show		21583-2428	UC 4617		354	56.6	137
Show		21508-2756	HJ 3059		252	25.4	139
Show		21432-2728	KPP4245		115	1.3	141
Show		21451-2332	KPP1689		185	13.1	142
Show		21392-2543	NSN 494		265	10.3	144
Show		21500-2314	ARA2280		78	5.0	145
Show		21422-2726	TSN 99		275	656.2	148
Show		21423-2744	LDS5926		81	295.6	162
Show		22015-2503	UC 4631	AB	315	36.3	164
Show		22015-2503	KPP4399	AC	334	1.1	164
Show		21577-2747	HJ 3068		284	13.3	167
Show		21587-2341	UC 4619		313	30.0	170
Show		21420-2316	SEE 454		208	5.1	178
Show		21583-2754	DAM1265		94	7.6	178
Show		21596-2738	STN 56		36	11.3	178
Show		21419-2314	UC 4533		265	11.7	181
Show		22022-2651	COO 248		174	3.0	183
Show		21582-2315	LDS4928		271	19.1	184
Show		21362-2610	RST1098	AB	7	18.2	186
Show		21362-2610	TOK 637	AC	62	999.9	186
Show		21416-2813	HJ 3046	AB	57	29.0	188
Show		21416-2813	UC 4530	AC	246	79.9	188
Show		22009-2735	UC 4629		285	42.4	190
Show		21423-2821	RST2185		121	3.2	191

WDS 21497-2539 : COMPONENTS

	A
B	pa=308.6° sep=2.44"

21497-2539 A

Componente originario normalizzato	AB	Name	HD 207464	Coord arcsec 2000	214944.79-253832.3	Mag	9.57
Spectral class	F0V (yellow-white)	PmRA	37.00	PmDE	-27.0	Tycho2	6956-00692-1
HD	207464

Tycho2

Tycho2	6956-00692-1	Pflag	P	RAmdeg	327.43661284	DEmdeg	-25.64231231
PmRA	3.8	PmDE	-2.3	E RAmdeg	18	E DEmdeg	21
E pmRA	2.5	E pmDE	2.3	EpRAm	1990.78	EpDEm	1990.21
Num	5	Q RAmdeg	1.9	Q DEmdeg	1.2	Q pmRA	2.0
Q pmDE	1.3	BTmag	10.042	E BTmag	0.028	VTmag	9.575
E VTmag	0.025	Prox	26	TYC	T	HIP
CCDM		RAdeg	327.43685528	DEdeg	-25.64246917	EpRA 1990	1.59
EpDE 1990	1.42	E RAdeg	14.2	E DEdeg	17.2	Posflg	D
Corr	-0.3

21497-2539 B

Componente originario normalizzato	AB		Coord arcsec 2000	214944.65-253830.8		Mag	9.84		PmRA	-42.00
PmDE	29.0		Tycho2	6956-00692-2		Calc delta mag	0.27		Calc coord	yes

Tycho2

Tycho2	6956-00692-2	Pflag	P	RAmdeg	327.43661284	DEmdeg	-25.64231231
PmRA	3.8	PmDE	-2.3	E RAmdeg	18	E DEmdeg	21
E pmRA	2.5	E pmDE	2.3	EpRAm	1990.78	EpDEm	1990.21
Num	5	Q RAmdeg	1.9	Q DEmdeg	1.2	Q pmRA	2.0
Q pmDE	1.3	BTmag	10.325	E BTmag	0.033	VTmag	9.841
E VTmag	0.030	Prox	26	TYC	T	HIP
CCDM		RAdeg	327.43620444	DEdeg	-25.64204750	EpRA 1990	1.58
EpDE 1990	1.42	E RAdeg	17.6	E DEdeg	21.2	Posflg	D
Corr	-0.3