21363-0032 ITF 170 BC

21^h 36^m 15.62^s -00° 31' 59.6" P.A. 94.00 sep 2.5 mag 14.71,16.60 Sp K3V+K6V

Coord 2000	21363-0032	Discov num	ITF 170	Comp	BC	Coord arcsec 2000	21 36 15.62 -00 31 59.6
Date first	1954	Date last	2017	Obs	3
Pa first	94	Pa last	94.3	P.A. Now (θ)	94.3°
Sep first	2.5	Sep last	2.538	Sep. Now (ρ)	2.538"
Mag pri	14.71	Mag sec	16.60	delta mag (ΔM)	1.89	Spectral class	K3V+K6V (yellow-orange/yellow-orange)
Pri motion ra	-009	Sec motion ra	-009
Pri motion dec	-022	Sec motion dec	-021
Notes	V (Proper motion indicates physical)

rPM=0.042 (< 0.3, Physical double)

This double is physical.

21363-0032 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 36 17 -00 31 52	ITF 183 AB	2017	7	248	20.5	13.29	14.71	1.42
Show			21 36 17 -00 31 52	ITF 183 AC	2017	2	245	18.4	13.29	16.10	2.81
Show			21 36 16 -00 31 60	ITF 170 BC	2017	3	94	2.5	14.71	16.60	1.89		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

WDS 21363-0032 ITF 170 BC : 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
21363-0032	ITF 170	BC	2017	2	94	2.5	15.00	16.60	K3V+K6V	V	213615.62-003159.6

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WDS 21363-0032 ITF 170 BC : VISUAL OBSERVATIONS REPORTS

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WDS 21363-0032 ITF 170 BC : MEASURES

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WDS 21363-0032 : VIRTUAL EYEPIECE

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WDS 21363-0032 : ALADIN DSS IMAGE @

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