21315+0122 ITF 88

21^h 31^m 29.59^s +01° 22' 10.1" P.A. 31.00 sep 8.4 mag 10.50,16.80 Sp K1III+K2V

Coord 2000	21315+0122	Discov num	ITF 88	Comp		Coord arcsec 2000	21 31 29.59 +01 22 10.1
Date first	1954	Date last	2014	Obs	4
Pa first	31	Pa last	30.7	P.A. Now (θ)	30.7°
Sep first	8.3	Sep last	8.379	Sep. Now (ρ)	8.379"
Mag pri	10.50	Mag sec	16.80	delta mag (ΔM)	6.3	Spectral class	K1III+K2V (yellow-orange/yellow-orange)
Pri motion ra	+011	Sec motion ra	+011
Pri motion dec	-053	Sec motion dec	-054
Notes	V (Proper motion indicates physical)

rPM=0.018 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Tycho2

0542-00805-1

Gaia DR2

2688476319855859328

WDS 21315+0122 ITF 88 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
ITF2011	C j	Falcon, I.T.	2011OED.....6...79F
ITF2011		El Observador de Estrellas Dobles, Issue #6, 79, 2011
ITF2011b	C j	Falcon, I.T.	2011OED.....7...51F
ITF2011b		El Observador de Estrellas Dobles, Issue #7, 51, 2011
ITF2012	P j	Falcon, I.T.	.
ITF2012	+E2	Il Bollettino Delle Stelle Doppie 2, 35, 2012
ITF2012	+E	(Italian translation on page 11 of the same publication)
ITF2012b	P j	Falcon, I.T.	2012JDSO....8..168F
ITF2012b	+E+	JDSO 8, 168, 2012
ITF2012c	Pp j	Falcon, I.T.	2012JDSO....8..234F
ITF2012c		JDSO 8, 234, 2012
ITF2012d	P j	Falcon, I.T.	.
ITF2012d	+E+	Il Bollettino Delle Stelle Doppie 3, 9, 2012
ITF2012e	P w	Falcon, I.T.	2012JDSO....8..323F
ITF2012e	+E+	JDSO 8, 323, 2012
ITF2013	P -	Falcon, I.T.	.
ITF2013	+E2	Il Bollettino Delle Stelle Doppie 4, 51, 2013
ITF2013		(Italian translation on page 5 of the same publication)
ITF2013b	P -	Falcon, I.T.	.
ITF2013b	+E+	Il Bollettino Delle Stelle Doppie 5, 84, 2013
ITF2013b	+C
ITF2013c	P j	Falcon, I.T.	.
ITF2013c	+E+	Il Bollettino Delle Stelle Doppie 5, 84, 2013
ITF2013c	+C	(most measures in ITF2013b)
ITF2013d	P -	Falcon, I.T.	.
ITF2013d	+E+	Il Bollettino Delle Stelle Doppie 6, 57, 2013
ITF2013d	+C
ITF2013e	C -	Falcon, I.T.	.
ITF2013e	+P	Il Bollettino Delle Stelle Doppie 7, 52, 2013
ITF2013e	+E2
ITF2014	P -	Falcon, I.T.	.
ITF2014	+E+	Il Bollettino Delle Stelle Doppie 8, 48, 2014
ITF2014		(Italian translation on page 5 of the same publication)
ITF2014b	P -	Falcon, I.T.	.
ITF2014b	+E2	Il Bollettino Delle Stelle Doppie 9, 31, 2014
ITF2014b	+E	(Italian translation on page 7 of the same publication)
ITF2014c	P -	Falcon, I.T.	.
ITF2014c	+E2	Il Bollettino Delle Stelle Doppie 10, 30, 2014
ITF2014c		(Italian translation on page 16 of the same publication)
ITF2014d	P -	Falcon, I.T.	.
ITF2014d	+E2	Il Bollettino Delle Stelle Doppie 11, 33, 2014
ITF2014d	+C	(Italian translation on page 11 of the same publication)
ITF2015a	P -	Falcon, I.T.	.
ITF2015a	+E2	Il Bollettino Delle Stelle Doppie 12, 23, 2015
ITF2015a		(Italian translation on page 13 of the same publication)
ITF2015b	P -	Falcon, I.T.	.
ITF2015b	+E2	Il Bollettino Delle Stelle Doppie 13, 26, 2015
ITF2015b		(Italian translation on page 22 of the same publication)
ITF2015c	P -	Falcon, I.T.	.
ITF2015c	+E2	Il Bollettino Delle Stelle Doppie 15, 45, 2015
ITF2015c	+Es	(Italian translation on page 13 of the same publication)
ITF2016a	P -	Falcon, I.T.	.
ITF2016a	+E2	Il Bollettino Delle Stelle Doppie 18, 22, 2016
ITF2016a	+Es	(Italian translation on page 10 of the same publication)
ITF2017	P -	Falcon, I.T.	.
ITF2017	+E2	Il Bollettino Delle Stelle Doppie 23, 33, 2017
ITF2017	+Es	(Italian translation on page 4 of the same publication)
ITF2018	P+ -	Falcon, I.T.	.
ITF2018	+E2+	Il Bollettino Delle Stelle Doppie 26, 69, 2018
ITF2018	+C	(Italian translation on page 13 of the same publication)
ITF2018		(ITF 103-110 already published in ITF2017)
ITF2020	P -	Falcon, I.T.	.
ITF2020	+E	Il Bollettino Delle Stelle Doppie 32, 4, 2020
ITF2021	P -	Falcon, I.T.	.
ITF2021	+E	Il Bollettino Delle Stelle Doppie 34, 18, 2021

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21315+0122	ITF 88		1997	2	30	8.2	10.50	16.80	K1III+K2V	V	213129.59+012210.1
21315+0122	ITF 88		2000	2	29	8.3	10.50	16.80	K1III+K2V	V	213129.59+012210.1
21315+0122	ITF 88		2014	4	31	8.4	10.50	16.80	K1III+K2V	V	213129.59+012210.1

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

WDS 21315+0122 ITF 88 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21315+0122 ITF 88 : MEASURES

No records found.

WDS 21315+0122 : VIRTUAL EYEPIECE

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

WDS 21315+0122 : ALADIN DSS IMAGE @ 21^h 31^m 29.59^s +01° 22' 10.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21315+0122 ITF 88 : 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		21315+0122	ITF 88		31	8.4
Show		21318+0116	BAL1231		131	5.5	8
Show		21310+0111	UC 4482		122	55.1	14
Show		21315+0140	HJ 3031		250	28.1	19
Show		21324-0059	SLW1241		129	11.7	28
Show		21328-0053	HDS3064		1	0.3	36
Show		21328+0159	A 2290		261	0.5	43
Show		21338+0147	BLZ 1		3	5.2	43
Show		21279+0105	BAL1230		274	11.9	58
Show		21318+0019	SHN 253		-1	0.0	64
Show		21311+0226	BAL1590		285	2.7	64
Show		21276+0054	BAL1229		332	10.6	66
Show		21353+0202	CVR 909		83	13.8	70
Show		21278-0040	SLW9009		59	31.2	70
Show		21324+0015	SKF1776		28	2.4	70
Show		21322+0013	ALC 4	Aa,Ab	-1	0.7	70
Show		21322+0013	KUI 107	AB	29	133.0	70
Show		21276+0204	J 2349		237	8.4	73
Show		21322-0006	WAA 51		111	27.1	77
Show		21307+0005	A 888		36	0.6	79
Show		21359+0041	HJ 3039		153	11.3	79
Show		21361-0032	ITF 169		135	4.2	86
Show		21330+0244	GWP3073		326	37.1	86
Show		21359-0028	ITF 172		333	3.2	86
Show		21286+0237	BAL2054		121	18.1	87
Show		21362-0030	ITF 168		144	4.4	88
Show		21363-0032	ITF 170	BC	94	2.5	88
Show		21363-0032	ITF 183	AB	248	20.5	88
Show		21363-0032	ITF 183	AC	245	18.4	88
Show		21369+0158	UC 4508		29	27.5	90
Show		21372+0054	ARU 22		195	0.6	91
Show		21365+0031	J 163		307	4.6	91
Show		21257+0051	GRV 464		300	26.1	91
Show		21376+0137	JNN 291		345	0.4	94
Show		21371+0033	LAW 28	Aa,Ab	122	0.2	98
Show		21371+0033	LAW 28	AB	322	18.8	98
Show		21255+0203	A 2289	AB	334	0.1	99
Show		21255+0203	STT 439	AB,C	222	14.6	99
Show		21251+0157	BAL1588		134	17.2	101
Show		21366+0230	UC 4507		194	7.3	103
Show		21376+0035	ARU 4		235	0.3	104
Show		21376-0023	STF2809	AB	163	31.1	109
Show		21376-0023	FYM9001	AC	18	37.8	109
Show		21261-0010	RST5164		306	0.9	109
Show		21317+0312	J 1723		121	2.4	112
Show		21371-0007	WIS 350		42	147.9	113
Show		21349+0308	A 2291		93	1.0	118
Show		21242+0036	ITF 219		270	2.6	120
Show		21383-0020	STF2811		273	31.1	120
Show		21234+0123	BAL1228		317	5.9	122
Show		21393+0154	BAL1591		128	18.1	122

WDS 21315+0122 : COMPONENTS

	A
B	pa=30.7° sep=8.38"

21315+0122 A

Componente originario normalizzato	AB		Coord arcsec 2000	213129.59+012210.1		Mag	10.5		Spectral class	K1III (yellow-orange)
PmRA	11.00		PmDE	-53.0		Tycho2	0542-00805-1

Tycho2

Tycho2	0542-00805-1	Pflag		RAmdeg	322.87329959	DEmdeg	1.36951304
PmRA	-23.7	PmDE	-13.6	E RAmdeg	39	E DEmdeg	37
E pmRA	1.6	E pmDE	1.6	EpRAm	1980.32	EpDEm	1979.16
Num	4	Q RAmdeg	1.5	Q DEmdeg	0.1	Q pmRA	1.5
Q pmDE	0.1	BTmag	12.101	E BTmag	0.156	VTmag	10.736
E VTmag	0.069	Prox	999	TYC	T	HIP
CCDM		RAdeg	322.87334083	DEdeg	1.36954667	EpRA 1990	1.58
EpDE 1990	1.59	E RAdeg	52.1	E DEdeg	57.0	Posflg
Corr	-0.1

21315+0122 B

Componente originario normalizzato	AB		Coord arcsec 2000	213129.88+012217.3		Mag	16.8		Spectral class	K2V (yellow-orange)
PmRA	11.00		PmDE	-54.0		Calc delta mag	6.3		Calc coord	yes