19493+3116 GRV 285

19^h 49^m 23.43^s +31° 16' 16.0" P.A. 357.00 sep 24.6 mag 12.10,12.90

Coord 2000	19493+3116	Discov num	GRV 285	Comp		Coord arcsec 2000	19 49 23.43 +31 16 16.0
Date first	1998	Date last	2015	Obs	7
Pa first	357	Pa last	357.1	P.A. Now (θ)	357.1°
Sep first	24.4	Sep last	24.585	Sep. Now (ρ)	24.585"
Mag pri	12.10	Mag sec	12.90	delta mag (ΔM)	0.8	Spectral class
Pri motion ra	-012	Sec motion ra	-036
Pri motion dec	-020	Sec motion dec	-003
Notes

rPM=0.814

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2669-03063-1

Gaia DR2

2033689593351946112

WDS 19493+3116 GRV 285 : 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
19493+3116	GRV 285		2000	2	357	24.5	12.10	12.90		D	194923.43+311616.0
19493+3116	GRV 285		2002	3	357	24.5	12.10	12.90		D	194923.43+311616.0
19493+3116	GRV 285		2015	3	357	24.6	12.10	12.90			194923.43+311616.0

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WDS 19493+3116 GRV 285 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19493+3116 GRV 285 : MEASURES

No records found.

WDS 19493+3116 : VIRTUAL EYEPIECE

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WDS 19493+3116 : ALADIN DSS IMAGE @ 19^h 49^m 23.43^s +31° 16' 16.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19493+3116 GRV 285 : 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		19493+3116	GRV 285		357	24.6
Show		19495+3127	TDT1780		53	0.4	12
Show		19503+3127	COU1468		151	0.7	16
Show		19501+3130	J 780		91	2.5	17
Show		19504+3141	TDT1793		159	2.1	28
Show		19484+3144	ES 354		334	9.7	31
Show		19517+3108	ES 357	AB	309	10.1	31
Show		19517+3108	STT 389	AC	184	12.7	31
Show		19494+3147	COU1467		186	1.7	31
Show		19471+3107	TDT1746		131	0.6	32
Show		19503+3147	RAO 418	AB	40	0.6	33
Show		19503+3147	RAO 418	AC	267	7.7	33
Show		19487+3044	TDT1774		296	0.5	34
Show		19467+3124	ES 2426		263	4.1	35
Show		19472+3141	DAM 374		296	9.1	38
Show		19520+3142	ES 355		292	13.3	43
Show		19501+3158	HDS2823	Aa,Ab	91	0.7	43
Show		19501+3158	ES 2427	AB	50	16.1	43
Show		19522+3139	ES 356		345	6.0	44
Show		19467+3143	HJ 898	AB	271	5.8	44
Show		19467+3143	HJ 898	AC	266	37.3	44
Show		19489+3202	A 375		159	1.2	46
Show		19521+3148	ES 2428	AB	90	89.1	48
Show		19506+3200	BRT 270		230	5.1	48
Show		19467+3042	GRV 276		333	52.5	49
Show		19521+3148	ES 2428	BC	256	5.1	49
Show		19456+3123	GRV 273		13	40.3	50
Show		19502+3027	HJ 1441	AB	37	14.8	51
Show		19502+3027	HJ 1441	AC	192	28.6	51
Show		19480+3206	WFC 226		297	8.9	53
Show		19457+3141	NSN 804		123	19.8	53
Show		19525+3156	ES 2429		112	5.4	54
Show		19530+3146	GRV 291		6	8.4	56
Show		19469+3204	BU 147	AB	288	13.3	58
Show		19469+3204	WAL 120	AC	242	31.2	58
Show		19527+3157	A 377		263	3.9	59
Show		19464+3201	HEL 3	BC	194	11.0	59
Show		19464+3201	CRC 35	BD	27	8.7	59
Show		19464+3201	CRC 35	BE	117	9.0	59
Show		19464+3201	KAM 3	AB	135	5.7	59
Show		19464+3201	HEL 3	AC	169	15.8	59
Show		19464+3030	BRT 269		94	4.5	59
Show		19453+3048	AG 237		140	2.5	60
Show		19501+3017	TDT1787		337	2.1	60
Show		19480+3016	BRT 44		177	3.3	63
Show		19473+3018	GRV 278		208	13.4	64
Show		19542+3137	TDT1837		142	0.5	65
Show		19443+3114	TDT1688		226	1.8	66
Show		19515+3215	LDS1030		248	8.4	67
Show		19505+3224	TDT1794		156	0.5	70
Show		19543+3146	LFR 32	AB	239	17.5	70

WDS 19493+3116 : COMPONENTS

	A
B	pa=357.5° sep=24.58"

19493+3116 A

Componente originario normalizzato	AB		Coord arcsec 2000	194923.43+311616.0		Mag	12.1		PmRA	-12.00
PmDE	-20.0		Tycho2	2669-03063-1

Tycho2

Tycho2	2669-03063-1	Pflag		RAmdeg	297.34758061	DEmdeg	31.27117751
PmRA	-17.6	PmDE	-13.6	E RAmdeg	84	E DEmdeg	77
E pmRA	3.7	E pmDE	3.6	EpRAm	1985.29	EpDEm	1986.32
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.745	E BTmag	0.223	VTmag	11.931
E VTmag	0.160	Prox	999	TYC		HIP
CCDM		RAdeg	297.34762889	DEdeg	31.27120889	EpRA 1990	1.52
EpDE 1990	1.72	E RAdeg	87.4	E DEdeg	79.1	Posflg
Corr	0.1

19493+3116 B

Componente originario normalizzato	AB		Coord arcsec 2000	194923.35+311640.6		Mag	12.9		PmRA	-36.00
PmDE	-3.0		Calc delta mag	0.8		Calc coord	yes