21158+1642 GRV 441

21^h 15^m 53.98^s +16° 42' 23.6" P.A. 39.00 sep 19.0 mag 12.20,12.90

Coord 2000	21158+1642	Discov num	GRV 441	Comp		Coord arcsec 2000	21 15 53.98 +16 42 23.6
Date first	1997	Date last	2016	Obs	7
Pa first	39	Pa last	38.9	P.A. Now (θ)	38.9°
Sep first	19.0	Sep last	18.969	Sep. Now (ρ)	18.969"
Mag pri	12.20	Mag sec	12.90	delta mag (ΔM)	0.7	Spectral class
Pri motion ra	-022	Sec motion ra	-019
Pri motion dec	-024	Sec motion dec	-026
Notes

rPM=0.111 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Gaia DR2

1784682473403847552

WDS 21158+1642 GRV 441 : 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
21158+1642	GRV 441		2000	2	39	19.0	12.20	12.90		D	211553.98+164223.6
21158+1642	GRV 441		2001	3	39	19.0	12.20	12.90		D	211553.98+164223.6
21158+1642	GRV 441		2010	3	39	19.0	12.20	12.90			211553.98+164223.6
21158+1642	GRV 441		2014	6	39	19.0	12.20	12.90			211553.98+164223.6
21158+1642	GRV 441		2016	7	39	19.0	12.20	12.90			211553.98+164223.6

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

WDS 21158+1642 GRV 441 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21158+1642 GRV 441 : MEASURES

No records found.

WDS 21158+1642 : VIRTUAL EYEPIECE

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WDS 21158+1642 : ALADIN DSS IMAGE @ 21^h 15^m 53.98^s +16° 42' 23.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21158+1642 GRV 441 : 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		21158+1642	GRV 441		39	19.0
Show		21160+1639	BPM2353		262	20.8	4
Show		21162+1629	BPM2354		11	84.5	15
Show		21175+1637	MAY9002		316	4.8	24
Show		21177+1636	J 850	AB	236	2.4	27
Show		21177+1636	J 850	AC	331	12.4	27
Show		21177+1635	MAY9003		75	5.1	27
Show		21181+1646	J 3238	AB	341	3.8	30
Show		21181+1646	J 3238	AC	210	31.0	30
Show		21161+1606	BU 1261		151	1.8	37
Show		21176+1614	BPM2355		67	86.9	38
Show		21176+1711	BPM2356		47	119.4	38
Show		21133+1655	BU 681		242	2.9	40
Show		21148+1605	NSN 742		60	1.9	41
Show		21160+1600	HO 284		88	3.9	43
Show		21148+1600	SMA 145		96	4.9	46
Show		21193+1640	BPM2358		21	97.3	50
Show		21126+1706	BPM2342		220	72.4	54
Show		21135+1604	SMA 143		8	8.7	55
Show		21135+1559	HU 767		183	0.1	56
Show		21152+1741	LDS4875		127	195.4	59
Show		21141+1741	BPM2349		124	51.8	65
Show		21158+1745	LDS1052		69	8.6	65
Show		21148+1746	SHN 249		-1	0.2	65
Show		21121+1607	BPM2341		304	66.1	66
Show		21125+1727	BPMA252		173	255.4	67
Show		21182+1741	J 1720		321	7.3	68
Show		21150+1750	BPM2352		127	115.1	69
Show		21111+1659	KPP 486		334	3.9	72
Show		21185+1541	BPMA254	AB	334	4.6	72
Show		21185+1541	BPMA254	AC	194	260.8	72
Show		21111+1704	HEI 187		255	1.2	73
Show		21185+1541	BPMA254	CD	329	5.9	75
Show		21212+1645	HJ 281	AB	334	14.1	76
Show		21106+1650	HU 367		339	0.3	78
Show		21109+1615	SMA 133		333	11.6	78
Show		21114+1546	SMA 135		259	6.8	87
Show		21113+1546	SMA 134		51	6.4	87
Show		21099+1648	BPM2335		54	14.9	87
Show		21213+1724	BPM2362		27	81.1	89
Show		21130+1802	J 577		19	2.4	90
Show		21182+1807	BPMA253		239	269.4	91
Show		21162+1512	UC 4423		128	17.6	91
Show		21206+1537	AG 416		350	23.7	95
Show		21217+1731	BPM2364		127	119.8	97
Show		21166+1505	HDS3028		20	0.1	99
Show		21108+1539	SMA 132		351	5.3	100
Show		21222+1725	BPM2365		338	42.6	100
Show		21094+1721	STF2763	AB	293	17.1	101
Show		21094+1721	STF2763	BC	227	30.2	101
Show		21228+1621	GWP3054		132	58.3	102

WDS 21158+1642 : COMPONENTS

	A
B	pa=37.7° sep=18.66"

21158+1642 A

Componente originario normalizzato	AB		Coord arcsec 2000	211553.98+164223.6		Mag	12.2		PmRA	-22.00
PmDE	-24.0

21158+1642 B

Componente originario normalizzato	AB		Coord arcsec 2000	211554.77+164238.4		Mag	12.9		PmRA	-19.00
PmDE	-26.0		Calc delta mag	0.7		Calc coord	yes