18525+2253 GRV 242

18^h 52^m 32.42^s +22° 53' 50.4" P.A. 179.00 sep 26.2 mag 10.80,13.90

Coord 2000	18525+2253	Discov num	GRV 242	Comp		Coord arcsec 2000	18 52 32.42 +22 53 50.4
Date first	1951	Date last	2015	Obs	10
Pa first	180	Pa last	179.2	P.A. Now (θ)	179.2°
Sep first	27.2	Sep last	26.157	Sep. Now (ρ)	26.157"
Mag pri	10.80	Mag sec	13.90	delta mag (ΔM)	3.1	Spectral class
Pri motion ra	-010	Sec motion ra	-001
Pri motion dec	-026	Sec motion dec	-007
Notes

rPM=0.755

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Tycho2

2109-02303-1

Gaia DR2

4533173299010367616

WDS 18525+2253 GRV 242 : 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
18525+2253	GRV 242		2000	2	179	26.4	10.80	13.90		D	185232.42+225350.4
18525+2253	GRV 242		2001	3	180	26.4	10.80	13.90		D	185232.42+225350.4
18525+2253	GRV 242		2010	5	180	26.3	10.80	13.90			185232.42+225350.4
18525+2253	GRV 242		2015	6	179	26.1	10.80	13.90			185232.42+225350.4

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

WDS 18525+2253 GRV 242 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18525+2253 GRV 242 : MEASURES

No records found.

WDS 18525+2253 : VIRTUAL EYEPIECE

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

WDS 18525+2253 : ALADIN DSS IMAGE @ 18^h 52^m 32.42^s +22° 53' 50.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18525+2253 GRV 242 : 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		18525+2253	GRV 242		179	26.2
Show		18511+2253	COU 318		286	3.4	21
Show		18509+2305	POU3566		133	15.6	25
Show		18523+2323	POU3572		2	13.0	30
Show		18515+2223	TDT1090		306	0.8	34
Show		18547+2239	MKT 9	Aa,Ab	271	0.0	35
Show		18547+2239	BU 646	AB	37	34.4	35
Show		18547+2239	BU 646	AC	23	36.9	35
Show		18547+2239	BU 646	BC	316	9.1	35
Show		18542+2335	POU3581		308	9.5	47
Show		18545+2332	POU3583	AB	97	4.9	47
Show		18545+2332	POU3582	AC	203	10.6	47
Show		18523+2206	TDT1096		313	1.6	48
Show		18494+2315	POU3559		86	9.7	48
Show		18554+2324	COU 511	Aa,Ab	190	0.7	50
Show		18554+2324	POU3591	AB	46	24.3	50
Show		18554+2324	LBU 10	AC	213	62.2	50
Show		18554+2324	LBU 10	AD	57	123.1	50
Show		18495+2325	POU3560		70	12.7	52
Show		18492+2322	KPP2664		243	25.0	54
Show		18491+2319	TDT1070		322	1.4	55
Show		18494+2327	POU3557		326	10.8	55
Show		18511+2200	TDT1086		117	0.6	58
Show		18497+2337	POU3561		357	16.8	59
Show		18490+2219	TDT1068		15	0.5	61
Show		18559+2333	MET 87	AB	35	2.7	61
Show		18559+2333	MET 87	AC	336	8.2	61
Show		18559+2333	MET 87	AD	202	9.0	61
Show		18559+2333	MET 87	AE	310	10.0	61
Show		18559+2333	ALP 32	AF	349	211.0	61
Show		18559+2333	AMM 9	AG	35	5.4	61
Show		18559+2333	AMM 9	AH	208	8.0	61
Show		18559+2333	AMM 9	AI	340	8.5	61
Show		18559+2333	AMM 9	AJ	16	9.4	61
Show		18559+2333	AMM 9	AK	108	9.3	61
Show		18559+2333	AMM 9	AL	258	12.0	61
Show		18559+2333	AMM 9	AM	12	16.5	61
Show		18559+2333	AMM 9	AN	335	18.9	61
Show		18559+2333	AMM 9	AO	27	19.5	61
Show		18559+2333	LSC 157	Aa,Ab	78	0.1	61
Show		18542+2158	TDS 952		70	1.1	61
Show		18490+2213	GRV 241		175	27.1	63
Show		18486+2330	HU 326	AB	253	0.1	65
Show		18486+2330	LBU 7	AB,C	333	68.8	65
Show		18486+2330	LBU 7	AB,D	23	84.7	65
Show		18523+2402	TDT1095		204	0.4	69
Show		18569+2325	POU3609		70	7.5	70
Show		18576+2317	POU3615		167	12.4	75
Show		18533+2407	POU3578		231	9.0	75
Show		18561+2350	POU3598	AB	52	15.7	75
Show		18561+2350	POU3597	AC	221	19.4	75

WDS 18525+2253 : COMPONENTS

	A
B	pa=179.3° sep=26.16"

18525+2253 A

Componente originario normalizzato	AB		Coord arcsec 2000	185232.42+225350.4		Mag	10.8		PmRA	-10.00
PmDE	-26.0		Tycho2	2109-02303-1

Tycho2

Tycho2	2109-02303-1	Pflag		RAmdeg	283.13506539	DEmdeg	22.89731626
PmRA	-6.5	PmDE	-24.3	E RAmdeg	53	E DEmdeg	45
E pmRA	1.4	E pmDE	1.4	EpRAm	1974.45	EpDEm	1979.29
Num	4	Q RAmdeg	0.7	Q DEmdeg	1.0	Q pmRA	0.7
Q pmDE	1.0	BTmag	12.923	E BTmag	0.208	VTmag	11.266
E VTmag	0.071	Prox	999	TYC		HIP
CCDM		RAdeg	283.13508194	DEdeg	22.89737222	EpRA 1990	1.57
EpDE 1990	1.73	E RAdeg	58.3	E DEdeg	47.9	Posflg
Corr	-0.1

18525+2253 B

Componente originario normalizzato	AB		Coord arcsec 2000	185232.44+225324.2		Mag	13.9		PmRA	-1.00
PmDE	-7.0		Calc delta mag	3.1		Calc coord	yes