21300-0746 GRV 1142

21^h 30^m 02.55^s -07° 46' 03.2" P.A. 225.00 sep 36.4 mag 16.70,17.00

Coord 2000	21300-0746	Discov num	GRV1142	Comp		Coord arcsec 2000	21 30 02.55 -07 46 03.2
Date first	1999	Date last	2015	Obs	5
Pa first	224	Pa last	224.5	P.A. Now (θ)	224.5°
Sep first	36.5	Sep last	36.448	Sep. Now (ρ)	36.448"
Mag pri	16.70	Mag sec	17.00	delta mag (ΔM)	0.3	Spectral class
Pri motion ra	+026	Sec motion ra	+024
Pri motion dec	-018	Sec motion dec	-016
Notes

rPM=0.089 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Gaia DR2

6897875124151265408

WDS 21300-0746 GRV 1142 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Grv2004	Eu -	Greaves, J.	2004MNRAS.355..585G
Grv2004		MNRAS 355, 585, 2004
Grv2005a	Es -	Greaves, J.	...................
Grv2005a	+C	Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a		(Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b	Pa -	Greaves, J.	...................
Grv2005b		private communication
Grv2005c	C -	Greaves, J.	2005JDSO....1...41G
Grv2005c		JDSO 1, 41, 2005
Grv2006	-	Greaves, J.	...................
Grv2006		private communication, 2006
Grv2006		(measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006		Lepine & Shara 2005)
Grv2006b	Es -	Greaves, J.	...................
Grv2006b		private Communication, 2006
Grv2006b		(Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b		epoch is unknown and proper motion may or may not have been applied.)
Grv2006c	Ey -	Greaves, J.	...................
Grv2006c		private Communication, 2006
Grv2006c		(Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c		observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008	Es -	Greaves, J.	...................
Grv2008		Webb Soc., Double Star Circ. 16, 2008
Grv2011	C -	Greaves, J.	...................
Grv2011		Webb Soc., Double Star Circ. 19, 2011
Grv2011		These carry a discovery designation of SPM and come from the SPM4 Catalog	2011AJ....142...15G
Grv2019a	Hg u	Greaves, J.	2019JDSO...15...59G
Grv2019a		JDSO 15, 59, 2019
Grv2019b	Hg u	Greaves, J.	2019JDSO...15...77G
Grv2019b		JDSO 15, 59, 2019
Grv2019c	Hg u	Greaves, J.	...................
Grv2019c		private communication, 2019 (17 April 2019 email)
Grv2019d	Hg -	Greaves, J.	.
Grv2019d		private communication, 2019 (4 Nov 2019 email)
Grv2020a	not -	Greaves, J.	.
Grv2020a		private communication, 2020 (14 Mar 2020 email)
Grv2020b	Hg j	Greaves, J.	.
Grv2020b		Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c	Hg j	Greaves, J.	.
Grv2020c		Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d	Hg j	Greaves, J.	.
Grv2020d		Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e	Hg u	Greaves, J.	2020JDSO...16..317G
Grv2020e		JDSO 16, 317, 2020
Grv2020f	Hg	Greaves, J.	2020JDSO...16..362G
Grv2020f		JDSO 16, 362, 2020
Grv2020g	Hg -	Greaves, J.	.
Grv2020g		private communication, 2020 (29 Nov 2020 email)
Grv2020h	Hg -	Greaves, J.	.
Grv2020h		private communication, 2020 (10 Dec 2020 email)
Grv2020i	Hg -	Greaves, J.	.
Grv2020i		private communication, 2020 (12 Dec 2020 email)
Grv2020j	Hg -	Greaves, J.	.
Grv2020j		private communication, 2020 (21 Dec 2020 email)
Grv2021a	not -	Greaves, J.	.
Grv2021a		private communication, 2021 (18 Feb 2021 email)
Grv2021b	not -	Greaves, J.	.
Grv2021b		private communication, 2021 (23 Feb 2021 email)
Grv2021c	Hg+ -	Greaves, J., Rica Romero, F.M. & Otero, S.	2021JDSO...17..137G
Grv2021c	+orb	JDSO 17, 137, 2021
Grv2021d	Hg -	Greaves, J.	.
Grv2021d		private communication, 2021 (23 Aug 2021 email)
Grv2021e	Hg -	Greaves, J.	.
Grv2021e		private communication, 2021 (24 Aug 2021 email)
Grv2022	Hg j	Greaves, J. .
Grv2022		Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a	Hg -	Greaves, J.	.
Grv2023a		private communication, 2023 (15 Feb 2023 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21300-0746	GRV1142		2000	2	224	36.5	16.70	17.00		D	213002.55-074603.2
21300-0746	GRV1142		2010	3	225	36.6	16.70	17.00			213002.55-074603.2
21300-0746	GRV1142		2015	4	225	36.4	16.70	17.00			213002.55-074603.2

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

WDS 21300-0746 GRV 1142 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21300-0746 GRV 1142 : MEASURES

No records found.

WDS 21300-0746 : VIRTUAL EYEPIECE

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

WDS 21300-0746 : ALADIN DSS IMAGE @ 21^h 30^m 02.55^s -07° 46' 03.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21300-0746 GRV 1142 : 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		21300-0746	GRV1142		225	36.4
Show		21297-0752	RST4087		16	1.4	9
Show		21310-0740	GWP3069		265	31.4	16
Show		21305-0707	LDS6355		93	2.1	40
Show		21332-0744	UC 4497		149	40.5	47
Show		21283-0655	GWP3063		115	46.1	58
Show		21274-0701	HDS3053		85	0.1	60
Show		21315-0845	HDS3060		224	0.4	63
Show		21344-0745	YSC 72		147	0.2	65
Show		21259-0722	SLW1238		136	106.8	66
Show		21300-0637	BRT 517		205	4.4	70
Show		21347-0724	A 296		57	3.0	73
Show		21315-0902	TDT3008		72	0.5	79
Show		21238-0801	TSN 98		52	580.3	95
Show		21357-0850	CVR1707		261	5.0	106
Show		21231-0811	SKF1775		326	1.0	107
Show		21335-0610	LDS4895		206	14.7	108
Show		21227-0757	UC 4463	AB	80	44.9	110
Show		21307-0936	GWP3068		249	9.5	110
Show		21376-0744	HJ 1662		129	21.9	113
Show		21376-0746	HJ 1663	AB	66	17.2	114
Show		21376-0746	HJ 1663	AC	102	33.2	114
Show	Bunda	21378-0751	MCA 68	AB	79	0.0	115
Show	Bunda	21378-0751	DRS 67	AC	222	375.5	115
Show		21369-0841	JNN 132		109	0.2	116
Show		21238-0635	S 788		93	58.1	117
Show		21240-0627	ITF 89		340	23.0	121
Show		21237-0630	ITF 36		13	7.3	122
Show		21357-0616	J 2353		73	3.6	123
Show		21313-0947	BLA 9		181	0.1	123
Show		21238-0615	ITF 90		266	20.8	131
Show		21311-0958	HEI 596		197	1.5	133
Show		21221-0848	TDT2927		195	1.1	134
Show	Sadalsuud	21316-0534	H 5 76	AB	319	37.6	134
Show	Sadalsuud	21316-0534	BU 73	AC	189	61.0	134
Show		21391-0729	LDS 752		204	5.8	136
Show		21302-0529	BU 684		137	1.1	137
Show		21389-0823	A 297		82	3.1	137
Show		21370-0617	RST4696		45	2.2	137
Show		21232-0611	ITF 81	AB	297	2.8	140
Show		21310-1005	SHN 252		-1	0.1	141
Show		21300-0524	BU 72		41	1.7	143
Show		21210-0837	UC 4450		209	14.0	144
Show		21396-0813	HDS3081		329	0.2	144
Show		21253-0954	HO 158		347	1.6	146
Show		21323-0521	UC 4487		316	11.2	150
Show		21269-1013	LDS1480		162	104.1	154
Show		21373-0554	UC 4512		303	13.8	156
Show		21234-0546	CVR 897		135	15.4	157
Show		21249-1004	B 2895		248	2.6	157
Show		21375-0555	JNN 133		343	0.2	157

WDS 21300-0746 : COMPONENTS

	A
B	pa=224.2° sep=36.28"

21300-0746 A

Componente originario normalizzato	AB		Coord arcsec 2000	213002.55-074603.2		Mag	16.7		PmRA	26.00
PmDE	-18.0

21300-0746 B

Componente originario normalizzato	AB		Coord arcsec 2000	213000.85-074629.2		Mag	17		PmRA	24.00
PmDE	-16.0		Calc delta mag	0.3		Calc coord	yes