21257+0051 GRV 464

21^h 25^m 46.83^s +00° 51' 58.6" P.A. 300.00 sep 26.1 mag 10.26,13.10

Coord 2000	21257+0051	Discov num	GRV 464	Comp		Coord arcsec 2000	21 25 46.83 +00 51 58.6
Date first	2000	Date last	2015	Obs	6
Pa first	300	Pa last	299.8	P.A. Now (θ)	299.8°
Sep first	26.2	Sep last	26.081	Sep. Now (ρ)	26.081"
Mag pri	10.26	Mag sec	13.10	delta mag (ΔM)	2.84	Spectral class
Pri motion ra	-011	Sec motion ra	-012
Pri motion dec	-015	Sec motion dec	-019
Notes

rPM=0.183 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Tycho2

0529-01120-1

Gaia DR2

2691054953795669376

WDS 21257+0051 GRV 464 : 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
21257+0051	GRV 464		2000	2	300	26.2	10.10	12.90		D	212546.83+005158.6
21257+0051	GRV 464		2010	3	300	26.0	10.26	13.10			212546.83+005158.6
21257+0051	GRV 464		2015	4	300	26.1	10.26	13.10			212546.83+005158.6

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

WDS 21257+0051 GRV 464 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21257+0051 GRV 464 : MEASURES

No records found.

WDS 21257+0051 : VIRTUAL EYEPIECE

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

WDS 21257+0051 : ALADIN DSS IMAGE @ 21^h 25^m 46.83^s +00° 51' 58.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21257+0051 GRV 464 : 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		21257+0051	GRV 464		300	26.1
Show		21276+0054	BAL1229		332	10.6	27
Show		21242+0036	ITF 219		270	2.6	29
Show		21278-0040	SLW9009		59	31.2	33
Show		21279+0105	BAL1230		274	11.9	34
Show		21237+0034	A 886		349	4.8	36
Show		21261-0010	RST5164		306	0.9	43
Show		21234+0123	BAL1228		317	5.9	48
Show		21251+0157	BAL1588		134	17.2	65
Show		21255+0203	A 2289	AB	334	0.1	71
Show		21255+0203	STT 439	AB,C	222	14.6	71
Show		21211+0104	BAL1227		152	4.3	72
Show		21276+0204	J 2349		237	8.4	76
Show		21210+0022	RST5162		21	0.4	78
Show		21310+0111	UC 4482		122	55.1	81
Show		21212+0001	BAL 931		234	34.7	85
Show		21307+0005	A 888		36	0.6	88
Show		21315+0122	ITF 88		31	8.4	91
Show		21218+0202	STF2787	AB	20	22.6	92
Show		21218+0202	STF2787	AC	94	70.4	92
Show		21318+0116	BAL1231		131	5.5	94
Show		21198+0026	WAA 50		99	15.8	95
Show		21318+0019	SHN 253		-1	0.0	97
Show		21315+0140	HJ 3031		250	28.1	99
Show		21324-0059	SLW1241		129	11.7	100
Show		21322+0013	ALC 4	Aa,Ab	-1	0.7	104
Show		21322+0013	KUI 107	AB	29	133.0	104
Show		21328-0053	HDS3064		1	0.3	106
Show		21324+0015	SKF1776		28	2.4	107
Show		21322-0006	WAA 51		111	27.1	107
Show		21199+0158	KPP 763		174	6.6	110
Show		21188+0019	WSS 4		37	2.8	110
Show		21210+0217	HEI 408	DE	106	54.5	111
Show		21210+0217	BAL1586	Aa,Ab	111	0.6	112
Show		21210+0217	HEI 408	AB	258	2.3	112
Show		21210+0217	HEI 408	AC	273	55.5	112
Show		21210+0217	HEI 408	AD	111	95.2	112
Show		21286+0237	BAL2054		121	18.1	113
Show		21187+0010	KPP1282		16	9.8	115
Show		21256+0248	J 1039		332	4.3	116
Show		21242+0248	J 914			1.8	118
Show		21186+0005	SLW1236		51	176.0	118
Show		21180+0010	BUP 228	BC	117	12.2	122
Show		21180+0010	LYS 44	BD	181	41.2	122
Show		21182+0141	BAL1584		338	9.7	124
Show		21180+0010	ENG 82	AB	41	152.5	124
Show		21180+0010	TOB 317	AD	53	123.3	124
Show		21311+0226	BAL1590		285	2.7	124
Show		21328+0159	A 2290		261	0.5	126
Show		21264-0117	BAL 623		217	14.3	130
Show		21338+0147	BLZ 1		3	5.2	133

WDS 21257+0051 : COMPONENTS

	A
B	pa=299.8° sep=26.08"

21257+0051 A

Componente originario normalizzato	AB		Coord arcsec 2000	212546.83+005158.6		Mag	10.26		PmRA	-11.00
PmDE	-15.0		Tycho2	0529-01120-1

Tycho2

Tycho2	0529-01120-1	Pflag		RAmdeg	321.44511322	DEmdeg	0.86628425
PmRA	-11.5	PmDE	-16.5	E RAmdeg	27	E DEmdeg	27
E pmRA	1.5	E pmDE	1.4	EpRAm	1981.91	EpDEm	1977.61
Num	5	Q RAmdeg	1.0	Q DEmdeg	0.3	Q pmRA	1.0
Q pmDE	0.3	BTmag	11.610	E BTmag	0.099	VTmag	10.258
E VTmag	0.049	Prox	999	TYC		HIP
CCDM		RAdeg	321.44514944	DEdeg	0.86632222	EpRA 1990	1.83
EpDE 1990	1.70	E RAdeg	38.2	E DEdeg	44.2	Posflg
Corr	-0.1

21257+0051 B

Componente originario normalizzato	AB		Coord arcsec 2000	212545.32+005211.6		Mag	13.1		PmRA	-12.00
PmDE	-19.0		Calc delta mag	2.84		Calc coord	yes