21551+1320 GRV 520

21^h 55^m 08.22^s +13° 20' 19.3" P.A. 136.00 sep 23.3 mag 9.75,12.13

Coord 2000	21551+1320	Discov num	GRV 520	Comp		Coord arcsec 2000	21 55 08.22 +13 20 19.3
Date first	1999	Date last	2016	Obs	7
Pa first	137	Pa last	136.1	P.A. Now (θ)	136.1°
Sep first	23.2	Sep last	23.284	Sep. Now (ρ)	23.284"
Mag pri	9.75	Mag sec	12.13	delta mag (ΔM)	2.38	Spectral class
Pri motion ra	-018	Sec motion ra	-011
Pri motion dec	-013	Sec motion dec	-008
Notes

rPM=0.387

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Tycho2

1134-01409-1

Gaia DR2

1768008173409474176

WDS 21551+1320 GRV 520 : 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
21551+1320	GRV 520		2000	2	136	23.3	9.70	11.90		D	215508.22+132019.3
21551+1320	GRV 520		2001	3	136	23.3	9.70	11.90		D	215508.22+132019.3
21551+1320	GRV 520		2015	3	136	23.2	9.75	12.13			215508.22+132019.3
21551+1320	GRV 520		2016	7	136	23.3	9.75	12.13			215508.22+132019.3

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

WDS 21551+1320 GRV 520 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21551+1320 GRV 520 : MEASURES

No records found.

WDS 21551+1320 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 21551+1320 : ALADIN DSS IMAGE @ 21^h 55^m 08.22^s +13° 20' 19.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21551+1320 GRV 520 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21551+1320	GRV 520		136	23.3
Show		21543+1333	BU 1213	AB	259	64.3	19
Show		21543+1333	BU 1213	BC	310	1.0	19
Show		21555+1258	GRV1235		353	14.7	23
Show		21567+1335	BPM2415		252	104.7	28
Show		21541+1346	BPM2411		185	100.4	30
Show		21518+1336	CRC 40	Aa,Ab	138	0.7	52
Show		21518+1336	CRC 40	AB	122	10.9	52
Show		21516+1244	SHN 255		96	2.2	63
Show		21579+1231	SLW1257		237	138.3	64
Show		21524+1226	UC 4585	BC	280	54.7	67
Show		21524+1226	UC 4585	AB	318	27.7	68
Show		21544+1427	BPM2412		111	93.3	68
Show		21509+1243	FMR 165		305	39.5	73
Show		21500+1246	SHN 42		339	0.6	83
Show		21513+1220	SHN 254		-1	0.3	83
Show		21538+1158	DEA 90		17	11.2	86
Show		22011+1307	HJ 289		322	59.8	88
Show		21498+1402	LEP 102		338	13.3	89
Show		21590+1212	HEI 410		154	0.2	89
Show		21576+1157	STTA227		32	78.6	92
Show		21490+1304	CBL 535		237	20.8	92
Show		21504+1218	HJ 286		261	21.6	94
Show		22010+1406	GRV 529		229	56.1	99
Show		21497+1216	J 2358		339	4.2	102
Show		22019+1407	BPM2420		307	12.7	110
Show		22011+1213	GRV 531		3	34.9	110
Show		21475+1352	BPM2406		157	18.7	117
Show		22011+1202	ITF 6		22	4.5	117
Show		21500+1457	J 853		32	3.1	123
Show		21493+1450	J 915		148	3.5	124
Show		21486+1440	HJ 1693		314	11.7	125
Show		21477+1432	BOY 12		329	0.3	130
Show		21583+1521	CVR 926		113	9.8	130
Show		22006+1137	UC 4625		228	35.6	131
Show		22028+1207	GIC 174		126	31.8	134
Show		22044+1339	STF2854		84	1.6	137
Show		21559+1536	BAT 1	AB	152	1.1	137
Show		21559+1536	BU 1508	AC	306	42.4	137
Show		21539+1102	GWP3105		113	4.3	140
Show		21480+1146	A 1224		353	3.1	141
Show		22043+1238	SLW1260		75	12.2	141
Show		21454+1312	UC 4551		143	23.3	142
Show		21581+1541	BPM2417		105	99.5	148
Show		21555+1053	BU 75	AB	26	1.1	148
Show		21555+1053	BU 75	AB,C	211	35.3	148
Show		21479+1136	BPM2408		52	87.5	149
Show		21458+1419	J 164		300	5.1	149
Show		22005+1113	GWP3115	AB	272	15.9	151
Show		22010+1116	BPM2419		213	72.3	152
Show		21535+1551	LDS4921		138	51.2	153

WDS 21551+1320 : COMPONENTS

	A
B	pa=136.9° sep=22.98"

21551+1320 A

Componente originario normalizzato	AB		Coord arcsec 2000	215508.22+132019.3		Mag	9.75		PmRA	-18.00
PmDE	-13.0		Tycho2	1134-01409-1

Tycho2

Tycho2	1134-01409-1	Pflag		RAmdeg	328.78418075	DEmdeg	13.33868535
PmRA	-21.5	PmDE	-14.2	E RAmdeg	15	E DEmdeg	16
E pmRA	1.5	E pmDE	1.4	EpRAm	1989.44	EpDEm	1988.83
Num	4	Q RAmdeg	1.7	Q DEmdeg	0.3	Q pmRA	1.6
Q pmDE	0.3	BTmag	10.106	E BTmag	0.028	VTmag	9.751
E VTmag	0.027	Prox	980	TYC	T	HIP
CCDM		RAdeg	328.78423139	DEdeg	13.33871889	EpRA 1990	1.81
EpDE 1990	1.67	E RAdeg	15.6	E DEdeg	16.7	Posflg
Corr	-0.3

21551+1320 B

Componente originario normalizzato	AB		Coord arcsec 2000	215509.30+132002.5		Mag	12.13		PmRA	-11.00
PmDE	-8.0		Calc delta mag	2.38		Calc coord	yes