20515+1432 GRV 388

20^h 51^m 32.59^s +14° 32' 31.8" P.A. 239.00 sep 51.4 mag 11.79,14.11

Coord 2000	20515+1432	Discov num	GRV 388	Comp		Coord arcsec 2000	20 51 32.59 +14 32 31.8
Date first	1997	Date last	2015	Obs	7
Pa first	239	Pa last	238.9	P.A. Now (θ)	238.9°
Sep first	51.6	Sep last	51.439	Sep. Now (ρ)	51.439"
Mag pri	11.79	Mag sec	14.11	delta mag (ΔM)	2.32	Spectral class
Pri motion ra	-019	Sec motion ra	-011
Pri motion dec	-015	Sec motion dec	-015
Notes

rPM=0.33

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1761857947744370816

WDS 20515+1432 GRV 388 : 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
20515+1432	GRV 388		2000	2	239	51.5	11.50	13.90		D	205132.59+143231.8
20515+1432	GRV 388		2001	3	239	51.5	11.50	13.90		D	205132.59+143231.8
20515+1432	GRV 388		2010	3	239	51.5	11.79	14.11			205132.59+143231.8
20515+1432	GRV 388		2015	4	239	51.4	11.79	14.11			205132.59+143231.8

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

WDS 20515+1432 GRV 388 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20515+1432 GRV 388 : MEASURES

No records found.

WDS 20515+1432 : VIRTUAL EYEPIECE

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

WDS 20515+1432 : ALADIN DSS IMAGE @ 20^h 51^m 32.59^s +14° 32' 31.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20515+1432 GRV 388 : 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		20515+1432	GRV 388		239	51.4
Show		20520+1422	BRT1956		197	6.4	13
Show		20500+1432	CVR 874		82	16.7	24
Show		20529+1415	GAI9015	AB	277	1.3	27
Show		20529+1415	GAI9015	AC	167	51.8	27
Show		20495+1426	BRT1955		109	5.0	31
Show		20504+1459	BPM2280		131	60.8	32
Show		20538+1451	BPM2287		315	51.9	38
Show		20524+1353	BPM2285		88	101.7	42
Show		20528+1351	UC 4315	AB	157	14.6	46
Show		20485+1450	BRT1349		46	2.7	48
Show		20509+1517	J 3113		111	4.8	48
Show		20485+1448	J 1890		141	6.8	48
Show		20541+1402	J 846		155	3.6	49
Show		20487+1407	LIT 34		206	9.5	49
Show		20483+1444	LSC 93		142	0.2	50
Show		20550+1423	BPM2294		342	59.0	52
Show		20516+1340	TDT2583		98	0.6	53
Show		20554+1442	BPM2296		243	70.1	57
Show		20477+1430	TDT2542		76	0.5	57
Show		20548+1403	BPM2291		100	25.7	57
Show		20481+1404	UC 4293		5	14.4	58
Show		20527+1528	HJ 1585		195	14.3	58
Show		20497+1331	BPM2277		190	94.4	68
Show		20468+1420	BRT1347		30	3.3	70
Show		20509+1544	BPM2282		160	54.6	72
Show		20477+1519	BPM2266		294	106.0	73
Show		20518+1545	GWP3007		163	8.1	73
Show		20465+1429	BPM2260		89	86.7	73
Show		20562+1406	GRV 398		148	61.1	74
Show		20465+1439	BPM2259		296	106.3	74
Show		20496+1322	TDT2565		136	1.4	76
Show		20498+1321	HJ 1578		311	11.5	77
Show		20503+1317	BPM2279		146	89.2	78
Show		20570+1426	UC 4340		2	31.5	80
Show		20573+1434	BPM2301		61	73.1	84
Show		20485+1545	BPM2272		333	103.7	85
Show		20501+1556	BPM2278		296	68.3	86
Show		20467+1523	BPM2263		265	53.6	87
Show		20467+1343	BPM2262		331	74.6	87
Show		20458+1405	BPM2256		194	73.0	89
Show		20523+1304	GRV 390		107	42.6	89
Show		20455+1448	GWP2994		229	32.3	90
Show		20506+1601	BPM2281		268	35.3	90
Show		20462+1520	YR 27	AB	240	0.9	92
Show		20489+1558	BPM2275		143	74.7	94
Show		20466+1334	GWP2996		157	54.2	94
Show		20580+1426	BPM2302		340	14.3	94
Show		20573+1515	BPM2300		275	111.3	94
Show		20541+1306	STF2734		227	24.4	94
Show		20466+1532	J 3110		222	6.9	95

WDS 20515+1432 : COMPONENTS

	A
B	pa=238.1° sep=50.24"

20515+1432 A

Componente originario normalizzato	AB		Coord arcsec 2000	205132.59+143231.8		Mag	11.79		PmRA	-19.00
PmDE	-15.0

20515+1432 B

Componente originario normalizzato	AB		Coord arcsec 2000	205129.65+143205.2		Mag	14.11		PmRA	-11.00
PmDE	-15.0		Calc delta mag	2.32		Calc coord	yes