20526-2323 WHC 21

20^h 52^m 40.57^s -23° 23' 44.8" P.A. 19.00 sep 31.5 mag 10.82,11.12

Coord 2000	20526-2323	Discov num	WHC 21	Comp		Coord arcsec 2000	20 52 40.57 -23 23 44.8
Date first	1883	Date last	2015	Obs	10
Pa first	19	Pa last	18.5	P.A. Now (θ)	18.5°
Sep first	31.1	Sep last	31.462	Sep. Now (ρ)	31.462"
Mag pri	10.82	Mag sec	11.12	delta mag (ΔM)	0.3	Spectral class
Pri motion ra	+015	Sec motion ra	+021
Pri motion dec	-015	Sec motion dec	-005
Notes

rPM=0.54

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Capricornus

Tycho2

6922-00403-1

Gaia DR2

6806811853153026944

WDS 20526-2323 WHC 21 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
WHC1890	Ma j	Wilson, H.C.	1890PCinO..10....1.
WHC1890		Pub. Cincinnati Obs. #10, 1890
WHC1906A	Ma -	Wilson, H.C.	1906QB821.B972.....
WHC1906A		cited in BDS (Burnham Double Star Cat.), 1906
WHC1906B	Ma -	Wilson, H.C.	1906MmRAS..56....1L
WHC1906B		cited by Lewis (MemRAS 56, 1, 1906)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20526-2323	WHC 21		1998	7	19	31.3	10.82	11.12		D	205240.57-232344.8
20526-2323	WHC 21		1999	8	19	31.3	10.82	11.12		D	205240.57-232344.8
20526-2323	WHC 21		2010	9	19	31.4	10.82	11.12			205240.57-232344.8
20526-2323	WHC 21		2015	10	19	31.5	10.82	11.12			205240.57-232344.8

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WDS 20526-2323 WHC 21 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20526-2323 WHC 21 : MEASURES

No records found.

WDS 20526-2323 : VIRTUAL EYEPIECE

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WDS 20526-2323 : ALADIN DSS IMAGE @ 20^h 52^m 40.57^s -23° 23' 44.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20526-2323 WHC 21 : 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		20526-2323	WHC 21		19	31.5
Show		20519-2344	RST3271		151	0.3	23
Show		20530-2347	HJ 3003		198	1.4	24
Show		20478-2334	HDO 161	AB	19	29.8	69
Show		20478-2334	HDO 161	AC	244	38.8	69
Show		20498-2426	HTS 3	AB	109	3.6	74
Show		20498-2426	HTS 3	AC	310	10.1	74
Show		20498-2426	HTS 3	AD	261	12.7	74
Show		20498-2426	HTS 3	AE	164	14.8	74
Show		20498-2426	HTS 3	AF	247	16.5	74
Show		20498-2426	HTS 3	AG	26	19.9	74
Show		20498-2426	HTS 3	AH	93	21.0	74
Show		20498-2426	HTS 3	AI	205	25.7	74
Show		20473-2307	BRT1566		285	3.1	76
Show		20571-2412	SEE 433		57	2.5	78
Show		20527-2205	OCC9215		174	0.0	79
Show		20487-2216	UC 4296		251	33.2	88
Show		20580-2232	ARA1935		71	5.1	90
Show		20462-2352	HO 139		214	5.2	94
Show		20485-2205	DON 994		85	0.6	99
Show		20450-2315	UC 4279		346	8.8	107
Show		20469-2435	B 501		231	0.8	107
Show		20451-2346	I 666		149	0.4	108
Show		20449-2311	SEE 427		132	3.7	108
Show		21000-2242	OCC 692		-1	0.1	110
Show		21005-2343	RST3276		282	0.2	110
Show		20446-2311	OCC 91		-1	0.1	112
Show		20444-2339	HJ 2991	BC	285	5.8	115
Show		20444-2339	HJ 2991	AB	9	38.1	115
Show		20587-2204	ARA1936		266	10.4	116
Show		20595-2212	ARA1937		124	11.5	119
Show		21002-2427	LDS6350		51	6.6	122
Show		20474-2145	OCC 56		-1	0.1	123
Show		20510-2525	KPP 694		58	6.2	124
Show		20573-2138	SEE 434	AB	149	4.3	124
Show		20573-2138	SHT 35	AC	273	49.1	124
Show		20446-2230	TDT2512		57	2.1	125
Show		20440-2233	ARA1933		335	9.7	130
Show		21013-2419	RST3277		24	0.7	132
Show		20517-2112	UC 4310		318	18.7	133
Show		20465-2141	B 500		124	1.5	134
Show		20462-2145	HDS2957		236	0.4	134
Show		21022-2246	B 515		173	1.6	137
Show		20455-2148	UC 4281		280	7.8	138
Show		20529-2541	HTS 14	AB	86	7.8	138
Show		20529-2541	HTS 14	AC	66	10.4	138
Show		20529-2541	HTS 14	AD	263	12.3	138
Show		20529-2541	HTS 14	AE	216	14.9	138
Show		20529-2541	HTS 14	AF	73	18.3	138
Show		20437-2434	SHK 1		219	1.5	142
Show		20458-2139	OCC 55		-1	0.1	143

WDS 20526-2323 : COMPONENTS

	A
B	pa=17.1° sep=31.21"

20526-2323 A

Componente originario normalizzato	AB		Coord arcsec 2000	205240.57-232344.8		Mag	10.82		PmRA	15.00
PmDE	-15.0		Tycho2	6922-00403-1		DM	CD-2316554

Tycho2

Tycho2	6922-00403-1	Pflag		RAmdeg	313.16906112	DEmdeg	-23.39577879
PmRA	20.8	PmDE	-17.9	E RAmdeg	47	E DEmdeg	50
E pmRA	2.7	E pmDE	2.6	EpRAm	1987.64	EpDEm	1986.44
Num	3	Q RAmdeg	1.6	Q DEmdeg	1.4	Q pmRA	1.6
Q pmDE	1.3	BTmag	11.244	E BTmag	0.079	VTmag	10.818
E VTmag	0.083	Prox	312	TYC	T	HIP
CCDM		RAdeg	313.16900944	DEdeg	-23.39573778	EpRA 1990	1.74
EpDE 1990	1.68	E RAdeg	48.2	E DEdeg	52.2	Posflg
Corr	-0.4

20526-2323 B

Componente originario normalizzato	AB		Coord arcsec 2000	205241.24-232315.0		Mag	11.12		PmRA	21.00
PmDE	-5.0		Tycho2	6922-00823-1		Calc delta mag	0.3		Calc coord	yes

Tycho2

Tycho2	6922-00823-1	Pflag		RAmdeg	313.17204365	DEmdeg	-23.38753521
PmRA	22.0	PmDE	-7.8	E RAmdeg	56	E DEmdeg	61
E pmRA	2.9	E pmDE	2.7	EpRAm	1986.33	EpDEm	1984.45
Num	3	Q RAmdeg	0.1	Q DEmdeg	0.2	Q pmRA	0.1
Q pmDE	0.3	BTmag	11.443	E BTmag	0.089	VTmag	11.116
E VTmag	0.108	Prox	312	TYC		HIP
CCDM		RAdeg	313.17198889	DEdeg	-23.38751722	EpRA 1990	1.75
EpDE 1990	1.67	E RAdeg	58.3	E DEdeg	64.2	Posflg
Corr	-0.3