21121+7700 LOC 570 AB

21^h 12^m 08.91^s +76° 59' 47.3" P.A. 109.00 sep 24.0 mag 16.90,17.90

Coord 2000	21121+7700	Discov num	LOC 570	Comp	AB	Coord arcsec 2000	21 12 08.91 +76 59 47.3
Date first	2015	Date last	2015	Obs	1
Pa first	109	Pa last	109.2	P.A. Now (θ)	109.2°
Sep first	24.0	Sep last	23.986	Sep. Now (ρ)	23.986"
Mag pri	16.90	Mag sec	17.90	delta mag (ΔM)	1	Spectral class
Pri motion ra	+027	Sec motion ra	+027
Pri motion dec	+045	Sec motion dec	+048
Notes	V (Proper motion indicates physical)

rPM=0.054 (< 0.3, Physical double)

This double is physical.

21121+7700 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 12 09 +76 59 47	LOC 570 AB	2015	1	109	24.0	16.90	17.90	1.00		<===
Show			21 12 09 +76 59 47	LOC 570 AC	2015	5	109	24.5	16.90	18.70	1.80
Show			21 12 16 +76 59 39	LOC 570 BC	2015	1	83	0.6	17.90	18.70	0.80

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

WDS 21121+7700 LOC 570 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Loc2013	C -	Locatelli, G.	.
Loc2013		Il Bollettino Delle Stelle Doppie 7, 28, 2013
Loc2014	P -	Locatelli, G.	.
Loc2014	+E2	Il Bollettino Delle Stelle Doppie 8, 36, 2014
Loc2014b	C j	Locatelli, G.	.
Loc2014b		Il Bollettino Delle Stelle Doppie 9, 12, 2014
Loc2014c	C j	Locatelli, G.	.
Loc2014c	+E2	Il Bollettino Delle Stelle Doppie 11, 20, 2014
Loc2014c	+P
Loc2015a	C j	Locatelli, G.	.
Loc2015a	+E2	Il Bollettino Delle Stelle Doppie 12, 10, 2015
Loc2015a	+P
Loc2015b	C j	Locatelli, G.	.
Loc2015b		Il Bollettino Delle Stelle Doppie 13, 11, 2015
Loc2015c	-	Locatelli, G.	.
Loc2015c		Il Bollettino Delle Stelle Doppie 14, 16, 2015
Loc2016	C -	Locatelli, G.	.
Loc2016	+Pp	Il Bollettino Delle Stelle Doppie 16, 9, 2016
Loc2016b	C j	Locatelli, G.	.
Loc2016b		Il Bollettino Delle Stelle Doppie 17, 16, 2016
Loc2016c	C j	Sordiglioni, G., Mantero, A., Locatelli, G. & Galli, G.	.
Loc2016c		Il Bollettino Delle Stelle Doppie 17, 25, 2016
Loc2016d	C j	Locatelli, G.	.
Loc2016d		Il Bollettino Delle Stelle Doppie 19, 4, 2016
Loc2017a	C j	Locatelli, G.	.
Loc2017a		Il Bollettino Delle Stelle Doppie 20, 19, 2017
Loc2017b	C j	Locatelli, G.	2017OED....19...34L
Loc2017b		El Observador de Estrellas Dobles, Issue #19, 34, 2017
Loc2019	Hg j	Locatelli, G.	2019OED....22...27L
Loc2019		El Observador de Estrellas Dobles, Issue #22, 27, 2019
Loc2019b	Hg j	Locatelli, G.	2019OED....23...39L
Loc2019b		El Observador de Estrellas Dobles, Issue #23, 39, 2019
Loc2019b		Note: pairs already in WDS or WDSS not added.
Loc2019c	Hg j	Locatelli, G.	2019OED....23...63L
Loc2019c		El Observador de Estrellas Dobles, Issue #23, 63, 2019
Loc2019c		Note: pairs already in WDS or WDSS not added.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21121+7700	LOC 570	AB	2015	1	109	24.0	16.90	17.90		V	211208.91+765947.3

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WDS 21121+7700 LOC 570 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21121+7700 LOC 570 AB : MEASURES

No records found.

WDS 21121+7700 : VIRTUAL EYEPIECE

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WDS 21121+7700 : ALADIN DSS IMAGE @

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Error -22130
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Error -22130
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Error -27220
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