20455-0332 AHD 29

20^h 45^m 29.15^s -03° 31' 43.2" P.A. 137.00 sep 20.9 mag 12.20,12.50 Sp K6V+K7V

Coord 2000	20455-0332	Discov num	AHD 29	Comp		Coord arcsec 2000	20 45 29.15 -03 31 43.2
Date first	1895	Date last	2015	Obs	11
Pa first	137	Pa last	136.5	P.A. Now (θ)	136.5°
Sep first	20.8	Sep last	20.908	Sep. Now (ρ)	20.908"
Mag pri	12.20	Mag sec	12.50	delta mag (ΔM)	0.3	Spectral class	K6V+K7V (yellow-orange/yellow-orange)
Pri motion ra	-004	Sec motion ra	-001
Pri motion dec	-041	Sec motion dec	-034
Notes	V (Proper motion indicates physical)

rPM=0.185 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Tycho2

5182-01922-1

Gaia DR2

6915082103169553152

WDS 20455-0332 AHD 29 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ahd2010	Mb u	Ahad, A.	...................
Ahd2010		Webb Soc., Double Star Circ. 18, 2010
Ahd2011	Mb u	Ahad, A.	...................
Ahd2011	+Pa	Webb Soc., Double Star Circ. 19, 2011
Ahd2012	Mb u	Ahad, A.	...................
Ahd2012	+P+	Webb Soc., Double Star Circ. 20, 2012
Ahd2012	+C
Ahd2012b	Pa j	Ahad, A.	2012JDSO....8..247A
Ahd2012b	+P	JDSO 8, 247, 2012
Ahd2012c	Pa w	Ahad, A.	2012JDSO....8..332A
Ahd2012c	+P	JDSO 8, 332, 2012
Ahd2013a	Pa w	Ahad, A.	2013JDSO....9..122A
Ahd2013a	+C	JDSO 9, 122, 2013
Ahd2013b	C u	Ahad, A.	...................
Ahd2013b		Webb Soc., Double Star Circ. 21, 2013
Ahd2013c	E2 w	Ahad, A.	2013JDSO....9..173A
Ahd2013c		JDSO 9, 173, 2013
Ahd2013d	E2 u	Ahad, A.	2013JDSO....9..247A
Ahd2013d	+C	JDSO 9, 247, 2013
Ahd2013e	E2 w	Ahad, A.	2013JDSO....9..274A
Ahd2013e	+P	JDSO 9, 274, 2013
Ahd2014a	E2 j	Ahad, A.	2014JDSO...10..122A
Ahd2014a	+P	JDSO 10, 122, 2014
Ahd2014b	E2 u	Ahad, A.	2014JDSO...10..134A
Ahd2014b		JDSO 10, 134, 2014
Ahd2014d	E2 u	Ahad, A.	...................
Ahd2014d	+Pp	Webb Soc., Double Star Circ. 22, 2014
Ahd2014e	E2 u	Ahad, A.	...................
Ahd2014e		Webb Soc., Double Star Circ. 22, 2014
Ahd2014f	E2 u	Ahad, A.	2014JDSO...10..254A
Ahd2014f		JDSO 10, 254, 2014
Ahd2014g	E2 -	Ahad, A.	2014JDSO...10..311A
Ahd2014g	+P	JDSO 10, 311, 2014 (all data are also in Ahd2014c)
Ahd2014h	E2 w	Ahad, A.	2014JDSO...10..314A
Ahd2014h		JDSO 10, 314, 2014
Ahd2015a	E2 w	Ahad, A.	2015JDSO...11...33A
Ahd2015a	+C	JDSO 11, 33, 2015
Ahd2015b	C u	Ahad, A.	2015JDSO...11...70A
Ahd2015b		JDSO 11, 70, 2015
Ahd2015c	C -	Ahad, A.	2015JDSO...11...78A
Ahd2015c		JDSO 11, 78, 2015
Ahd2015d	C u	Ahad, A.	...................
Ahd2015d		Webb Soc., Double Star Circ. 23, 26, 2015
Ahd2015e	C u	Ahad, A.	...................
Ahd2015e		Webb Soc., Double Star Circ. 23, 30, 2015
Ahd2016a	C u	Ahad, A.	2016JDSO...12..162A
Ahd2016a		JDSO 12, 162, 2016
Ahd2016b	C u	Ahad, A.	2016JDSO...12..165A
Ahd2016b	+E2	JDSO 12, 165, 2016
Ahd2016b	+Pp
Ahd2016c	C u	Ahad, A.	...................
Ahd2016c		Webb Soc., Double Star Circ. 24, 22, 2016
Ahd2020	Hg j	Ahad, A.	.
Ahd2020		Webb Soc., Double Star Circ. 28, 43, 2020
Ahd2020b	C u	Ahad, A.	2020JDSO...16..304A
Ahd2020b	+E2	JDSO 16, 304, 2020
Ahd2020b	+Pp

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20455-0332	AHD 29		2010	6	136	20.9	12.20	12.50	K6V+K7V	V	204529.15-033143.2
20455-0332	AHD 29		2015	9	137	20.9	12.20	12.50	K6V+K7V	V	204529.15-033143.2

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

WDS 20455-0332 AHD 29 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20455-0332 AHD 29 : MEASURES

No records found.

WDS 20455-0332 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20455-0332 : ALADIN DSS IMAGE @ 20^h 45^m 29.15^s -03° 31' 43.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20455-0332 AHD 29 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20455-0332	AHD 29		137	20.9
Show		20452-0331	AHD 28		307	37.4	5
Show		20463-0258	LDS 724		135	74.9	37
Show		20474-0359	TDT2540		63	0.6	40
Show		20473-0408	LDS4858		11	17.3	46
Show		20424-0323	RST4678		349	2.8	47
Show		20469-0417	J 1709		216	8.3	48
Show		20481-0302	A 174		357	0.6	50
Show		20423-0344	KPP 476		141	3.9	50
Show		20421-0336	RST4677		122	4.4	51
Show		20481-0410	J 1710		205	8.5	53
Show		20453-0239	BRT 506		277	4.1	54
Show		20482-0255	TDT2549		181	2.0	55
Show		20456-0426	OCC9021		273	0.0	55
Show		20428-0418	UC 4265		32	50.1	61
Show		20492-0302	RST4682		2	0.9	63
Show		20425-0233	WRH 13		101	1.8	74
Show		20417-0424	BU 267		237	1.9	77
Show		20405-0349	RST4674		118	5.1	77
Show		20418-0430	HJ 921		220	9.4	81
Show		20458-0454	UC 4282	AB	209	41.1	83
Show		20494-0235	WRH 14		193	2.2	83
Show		20512-0401	UC 4308		49	15.9	91
Show		20489-0214	HO 142	AB	8	1.0	93
Show		20489-0214	HO 142	AC	290	21.3	93
Show		20447-0511	HJ 924		85	8.1	101
Show		20419-0458	RST4676		188	0.3	102
Show		20523-0324	CVR 876		284	10.8	103
Show		20402-0222	KPP4209	AB	250	2.2	106
Show		20450-0140	LDS 722		266	25.1	112
Show		20411-0201	GWP2983		178	12.8	113
Show		20468-0527	KPP 478		273	3.8	118
Show		20375-0303	J 1775	AB	352	4.1	123
Show		20375-0303	BRT 505	AC	36	8.8	123
Show		20375-0303	J 1775	AD	249	18.3	123
Show		20375-0303	BRT 505	BC	56	7.0	123
Show		20375-0303	J 1775	BD	238	19.7	123
Show		20498-0146	TDT2566		247	0.8	124
Show		20525-0438	TDS1106		252	1.4	124
Show		20532-0240	BRT 508		208	8.2	127
Show		20539-0323	RST4686		104	0.4	127
Show		20374-0254	TOR 27		233	2.9	127
Show		20399-0155	UC 4249		339	14.0	129
Show		20371-0258	TDT2427		92	1.0	130
Show		20534-0227	BRT 509	AB	127	5.0	135
Show		20365-0311	TOR 26		75	16.5	136
Show		20532-0221	JNN 126		327	0.1	136
Show		20369-0416	LDS1475		259	21.2	137
Show		20441-0116	GWP2991		16	13.8	138
Show		20499-0131	RST4684		3	0.3	138
Show		20531-0450	GWP3010		318	68.5	138

WDS 20455-0332 : COMPONENTS

	A
B	pa=136.6° sep=20.89"

20455-0332 A

Componente originario normalizzato	AB		Coord arcsec 2000	204529.15-033143.2		Mag	12.2		Spectral class	K6V (yellow-orange)
PmRA	-4.00		PmDE	-41.0		Tycho2	5182-01922-1

Tycho2

Tycho2	5182-01922-1	Pflag		RAmdeg	311.37145037	DEmdeg	-3.52866247
PmRA	-3.0	PmDE	-38.3	E RAmdeg	40	E DEmdeg	67
E pmRA	3.9	E pmDE	4.2	EpRAm	1982.95	EpDEm	1982.24
Num	3	Q RAmdeg	1.8	Q DEmdeg	2.6	Q pmRA	1.8
Q pmDE	2.6	BTmag	13.479	E BTmag	0.330	VTmag	12.122
E VTmag	0.171	Prox	999	TYC		HIP
CCDM		RAdeg	311.37142389	DEdeg	-3.52850583	EpRA 1990	1.64
EpDE 1990	1.21	E RAdeg	85.3	E DEdeg	117.0	Posflg
Corr	-0.2

20455-0332 B

Componente originario normalizzato	AB		Coord arcsec 2000	204530.11-033158.4		Mag	12.5		Spectral class	K7V (yellow-orange)
PmRA	-1.00		PmDE	-34.0		Calc delta mag	0.3		Calc coord	yes