21060+8121 PKO 31

21^h 06^m 03.99^s +81° 20' 54.1" P.A. 119.00 sep 9.6 mag 10.40,11.50

Coord 2000	21060+8121	Discov num	PKO 31	Comp		Coord arcsec 2000	21 06 03.99 +81 20 54.1
Date first	1896	Date last	2015	Obs	13
Pa first	135	Pa last	118.5	P.A. Now (θ)	118.5°
Sep first	10.1	Sep last	9.598	Sep. Now (ρ)	9.598"
Mag pri	10.40	Mag sec	11.50	delta mag (ΔM)	1.1	Spectral class
Pri motion ra	-012	Sec motion ra	+008
Pri motion dec	-004	Sec motion dec	+010
Notes	R (Red magnitudes)

rPM=1.906

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

Gaia DR2

2297781527403464320

WDS 21060+8121 PKO 31 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
PkO		(Pulkova Observatory)
PkO1965	Po j	Pulkova Obs.	.
PkO1965		Pulkova Obs. Izvestia 23, #176, 1965
PkO1972	Po -	Bronnikova, N.M. & Sazonova, L.V.	1972ScA....15..863B
PkO1972		SvA 15, 863, 1972
PkO1973	Po j	Zulevic, D.J. & Kisselev, A.A.	.
PkO1973		Pub. Pulkova Obs. #191, 167, 1973
PkO1988	Po u	Pulkova Obs.	.
PkO1988		Pulkova Visual Double Star Catalogue, 1988
PkO2003	Po u	Kiselev A.A., Kalinichenko O.A., Kiyaeva O.V., Shakht N.A., Romanenko L.G.,	...................
PkO2003		Izmailov I.S., Bykov O.P., Maslennikov K.L., Bukhmastova Yu.L.
PkO2003		Pulkova Visual Double Star Catalogue, 2003
PkO2003		Vizier Catalog I/292
PkO2006	orb w	Grosheva, E.A.	2006SvA....49..397K
PkO2006	+Po	SvA 49, 397, 2006
PkO2006b	orb -	Gorshanov, D.L., Shakht, N.A. & Kisselev, A.A.	2006SvA....49..386K
PkO2006b		SvA 49, 386, 2006
PkO2010	Po w	Shakht, N.A., Gorshanov, D.L., Grosheva, E.A., Kiselev, A.A. & Polyakov, E.V.	2010Ap.....53..227S
PkO2010	+orb	Astrophysics 53, 227, 2010
PkO2011	Po w	Kisselev, A.A.& Romanenko, L.G.	2011ARep...55..487K
PkO2011	+orb	Astron. Reports 55, 587, 2011
PkO2012	orb -	Afanasyeva, A.A. & Grosheva, E.A.	2012Ap.....55..231A
PkO2012		Astrophysics 55, 231, 2012
PkO2013	Po u	Private communication from Zorica Cvetkovic consisting of corrections to measures	...................
PkO2013	+C	"P" code due to focal length correction of 2m telescope of Bulgarian National
PkO2013		Observatory (Rozhen) from 16000mm to 15774 mm. P code applied to measures.
PkO2013		Correction applied to Pal2005c, Nov2006d, Cve2006d, Pop2006, Cve2007b, Cve2011c
PkO2014	-	Melnikov, A.V., Orlov, V.V. & Shevchenko, I.I.	2014ARep...58..640M
PkO2014		Astron. Reports 58, 640, 2014 (SvA 91, 735, 2014)
PkO2014b	Po j	Kiselev, A.A. Kiyaeva, O.V., Izmailov, I.S., Romanenko, L.G., Kalinichenko, O.A.,	2014ARep...58...78K
PkO2014b		Vasilkova, O.O., Vasileva, T.A., Shakht, N.A., Gorshanov, D.L. & Roschina, E.A.
PkO2014b		Astron. Reports 58, 78, 2014 (SvA 91, 130, 2014)
PkO2014c	orb -	Romanenko, L.G. & Kiselev, A.A.	2014ARep...58...30R
PkO2014c		Astron. Reports 58, 30, 2014 (SvA 91, 47, 2014)
Pko2014d	. .	Matvienko, A.S. & Orlov, V.V.	2014AstBu..69..205M
Pko2014d		Astrophys. Bull. 69, 205, 2014
PkO2016	Po u	Izmailov, I.S., Roshchinca, E.A., Kiselev, A.A., Kiseleva, T.P., Kalinichenko, O.,	2016AstL...42...41I
PkO2016		Bykov, O.P., Kiyaeva, O.V., Romanenko, L.G., Shakht, N.A., Maslennikov, K.L. &
PkO2016		Vasileva, T.A.
PkO2016		SvAL 42, 41, 2016 (Pisma Astron. Zhur. 42, 46, 2016)
PkO2016b	Po j	Khovrichev, M.Yu., Kulikova, A.M., Sokov, E.N., Dyachenko, V.V., Rastegaev, D.A.,	2016AstL...42..686K
PkO2016b	+S	Beskakotov, A.S., Balega, Yu.Yu., Safonov, B.S., Dodin, A.V., & Vozyakova, O.V.
PkO2016b		SvAL 42, 686, 2016
PkO2017a	Po j	Kulikova, A.M., Khovritchev, M.Yu., Sokov, E.N., Dyachenko, V.V., Rastegaev, D.A.,	2017ASPC..510..340K
PkO2017a	+S	Beskakotov, A.S., Balega, Yu.Yu, Dafonov, B.S., Dodin, A.V. & Vozyakova, O.V.
PkO2017a		ASP Conf. Series 510, 340, 2017
PkO2017a		all data already published in PkO2016b
PkO2017b	Po -	Shakht, N.A., Gorshanov, D.L. & Vasilkova, O.O.	2017Ap.....60..507S
PkO2017b	+orb	Astrophysics 60, 507, 2017
PkO2017b		Note: Published J2000 PA precessed to epoch of observation for consistency.
PkO2018a	not -	Polyakov, E.V., Vasilkova, O.O., Gorshanov, D.L., Pogodin, M.A. & Shakht, N.A.	2018Ap.....61..444P
PkO2018a		Astrophysics 61, 444, 2018
PkO2018b	orb	Baidin, A.E., Perov, N.I. & Romanenko, L.G.	.
PkO2018b		Vestnik of Saint Petersburg University, Volume 5 (63), 148, 2018
PkO2020	orb -	Shakht, N.A., Gorshanov, D.L., Izmailov, I.S. & Romanenko, L.G.	2020Ap.....63..511S
PkO2020		Astrophysics 63, 511, 2020
PkO2020b	C+ .	Kiyaeva, O.V., Zhuchkov, R.Ya. & Izmailov, I.S.	2020AstBu..75..425K
PkO2020b	+orb+	Astrophys. Bull. 75, 425, 2020
PkO2020b	+Po+
PkO2020b	+Hg
PkO2021a	C+	Romanenko, L.G. & Izmailov, I.S.	2021ARep...65..209R
PkO2021a	+orb	Astron. Reports 65, 209, 2021
PkO2021b	orb -	Izmailov, I.S., Shakht, N.A., Polyakov, E.V., Gorshanov, D.L. & Pogodin, M.A.	2021Ap.....64..160I
PkO2021b		Astrophysics 64, 120, 2021
PkO2022	orb	Shakht, N.A., Izmailov, I.S. & Gorshanov, D.L.	2022OAst...31..136S
PkO2022		Open Astronomy 31, 136, 2022

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21060+8121	PKO 31		2010	8	119	9.5	10.40	11.50		R	210603.99+812054.1
21060+8121	PKO 31		2015	9	119	9.6	10.40	11.50		R	210603.99+812054.1

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

WDS 21060+8121 PKO 31 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21060+8121 PKO 31 : MEASURES

No records found.

WDS 21060+8121 : 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 21060+8121 : ALADIN DSS IMAGE @ 21^h 06^m 03.99^s +81° 20' 54.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21060+8121 PKO 31 : 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		21060+8121	PKO 31		119	9.6
Show		21060+8134	LOC 480		285	3.1	13
Show		21118+8121	LOC 571	AB	87	12.7	14
Show		21118+8121	LOC 571	AC	199	2.1	14
Show		21118+8121	LOC 571	BC	259	13.6	14
Show		21147+8133	LOC 478		333	1.5	23
Show		21157+8114	MLR 245		41	1.2	25
Show		21066+8048	TOK 632		53	999.9	34
Show		21196+8143	AZC 180		6	52.1	38
Show		20565+8049	UC 4338		91	12.9	40
Show		20472+8117	TDT2537		209	1.0	43
Show		20465+8118	KPP4213		148	5.2	45
Show		20520+8158	TDT2588		293	0.7	49
Show		21070+8030	LOC 479		209	3.5	51
Show		21164+8210	LDS1949		106	15.4	54
Show		21170+8210	LOC 482		75	1.7	55
Show		20546+8210	LOC 468		320	5.5	55
Show		20573+8219	LOC 470		263	3.1	61
Show		21185+8021	STF2801		271	2.1	67
Show		20554+8011	LDS1943		314	15.8	74
Show		21176+8231	STF2807		310	1.8	75
Show		20477+8016	SKF1250		333	4.3	79
Show		20496+8000	TDT2564		256	1.1	91
Show		21223+7945	MLR 246		47	3.1	104
Show		21249+7938	LOC 489		31	1.5	114
Show		20530+7932	TDT2601		350	2.5	115
Show		21239+8317	HDS3049		339	0.3	122
Show		21010+7919	MLR 244		188	2.5	123
Show		21207+7916	LDS1950	AC	287	5.3	130
Show		21236+8337	LOC 491		64	1.1	140
Show		21217+7902	UC 4456		353	30.2	145
Show		21021+7855	LOC 477		275	3.4	146
Show		20499+7900	LOC 464		336	2.1	147
Show		21105+8356	LOC 481		15	21.0	156
Show		21156+7836	STF2796		42	26.7	167
Show		21037+7827	KPP4222		264	2.0	175
Show		21210+8413	MLR 247		301	2.1	175
Show		20592+7823	CON 38		237	2.5	179
Show		21235+8417	SKF 397	AB	200	3.7	179
Show		20491+7818	LOC 463		193	1.2	189
Show		21211+8436	MLR 248		107	0.5	198
Show		21202+7804	KPP4234		212	3.6	201
Show		21089+7752	LOC 476		53	1.2	209
Show		21152+8501	LOC 483		274	36.1	221
Show		20487+8506	LOC 471	AB	331	1.5	227
Show		21092+7719	LOC 474		350	10.6	243
Show		21087+7718	LOC 475		324	5.3	244
Show		21246+7720	LDS1951		347	2.4	246
Show		21121+7700	LOC 570	AB	109	24.0	262
Show		21121+7700	LOC 570	AC	109	24.5	262
Show		21121+7700	LOC 570	BC	83	0.6	262

WDS 21060+8121 : COMPONENTS

	A
B	pa=164.5° sep=4.75"

21060+8121 A

Componente originario normalizzato	AB		Coord arcsec 2000	210603.99+812054.1		Mag	10.4		PmRA	-12.00
PmDE	-4.0

21060+8121 B

Componente originario normalizzato	AB		Coord arcsec 2000	210604.55+812049.5		Mag	11.5		PmRA	8.00
PmDE	10.0		Calc delta mag	1.1		Calc coord	yes