21545+7639 KPP 4257

Coord 2000	21545+7639		Discov num	KPP4257		Comp			Coord arcsec 2000	21 54 28.30 +76 39 06.8
Date first	2012		Date last	2016		Obs	4
Pa first	109		Pa last	109.6		P.A. Now (θ)	109.6°
Sep first	1.7		Sep last	1.671		Sep. Now (ρ)	1.671"
Mag pri	13.40		Mag sec	13.10		delta mag (ΔM)	0.3		Spectral class
Pri motion ra	-042		Sec motion ra	-033
Pri motion dec	+009		Sec motion dec	+001
Notes	T (Parallax indicates physical)

rPM=0.28 (< 0.3, Physical double) This double is physical.

Constellation

Cepheus

No records found.

refcode	metd	author	reference
Kpp2015	C j	Knapp, W.	2015JDSO...11..384K
Kpp2015		JDSO 11, 384, 2015
Kpp2015b	C j	Knapp, W.	2015JDSO...11..125K
Kpp2015b		JDSO 11, 125, 2015
Kpp2015c	C j	Knapp, W. & Thuemen, C.	2015JDSO...11..125K
Kpp2015c		JDSO 11, 139, 2015
Kpp2015d	C -	Knapp, W., Nanson, J. & Thuemen, C.	2015JDSO...11..154K
Kpp2015d		JDSO 11, 154, 2015
Kpp2015e	C j	Knapp, W., Nanson, J. & Smith, S.C.	2015JDSO...11..390K
Kpp2015e		JDSO 11, 390, 2015
Kpp2015f	C j	Knapp, W., Thurmen, C. & Gould, R.	2015JDSO...11..418K
Kpp2015f		JDSO 11, 418, 2015
Kpp2016a	C j	Knapp, W.R.A., Nanson, J. & Thueman, C.	2016JDSO...12..107K
Kpp2016a		JDSO 12, 107, 2016
Kpp2016b	C j	Knapp, W.R.A., Nanson, J. & Smitch, S.C.	2016JDSO...12..111K
Kpp2016b		JDSO 12, 111, 2016
Kpp2016c	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..128K
Kpp2016c		JDSO 12, 128, 2016
Kpp2016d	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..168K
Kpp2016d		JDSO 12, 168, 2016
Kpp2016e	C j	Knapp, W.R.A.	2016JDSO...12..180K
Kpp2016e		JDSO 12, 180, 2016
Kpp2016f	C j	Knapp, W.R.A. & Thueman, C.	2016JDSO...12..184K
Kpp2016f		JDSO 12, 184, 2016
Kpp2016g	C j	Knapp, W.R.A.	2016JDSO...12..327K
Kpp2016g		JDSO 12, 327, 2016
Kpp2016h	C j	Knapp, W.R.A. & Thueman, C.	2016JDSO...12..347K
Kpp2016h		JDSO 12, 347, 2016
Kpp2016i	C j	Knapp, W.R.A.	2016JDSO...12..351K
Kpp2016i		JDSO 12, 351, 2016
Kpp2016j	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..361K
Kpp2016j		JDSO 12, 361, 2016
Kpp2016k	C j	Knapp, W.R.A.	2016JDSO...12..420K
Kpp2016k		JDSO 12, 420, 2016
Kpp2016l	C j	Knapp, W.R.A. & Gould, R.	2016JDSO...12..427K
Kpp2016l	+V	JDSO 12, 427, 2016
Kpp2016m	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..474K
Kpp2016m		JDSO 12, 474, 2016
Kpp2016n	C j	Knapp, W.R.A.	.
Kpp2016n		private comm.
Kpp2016o	C j	Knapp, W.R.A.	2016JDSO...12..507K
Kpp2016o		JDSO 12, 507, 2016
Kpp2016p	C j	Knapp, W.R.A. & Nanson, J.	2016JDSO...12..519K
Kpp2016p		JDSO 12, 519, 2016
Kpp2016q	C j	Knapp, W.R.A. & McPhee, M.	2016JDSO...12..541K
Kpp2016q		JDSO 12, 541, 2016
Kpp2016r	C j	Knapp, W.R.A.	2016JDSO...12..589K
Kpp2016r		JDSO 12, 589, 2016
Kpp2017a	C -	Knapp, W.R.A.	2017JDSO...13...10K
Kpp2017a		JDSO 13, 10, 2017
Kpp2017b	C j	Knapp, W.R.A. & Thueman, C.	2017JDSO...13...25K
Kpp2017b		JDSO 13, 25, 2017
Kpp2017c	-	Knapp, W.R.A. & Nanson, J.	2017JDSO...13...31K
Kpp2017c		JDSO 13, 31, 2017
Kpp2017d	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13...75K
Kpp2017d		JDSO 13, 75, 2017
Kpp2017e	Es j	Knapp, W.R.A.	2017JDSO...13...87K
Kpp2017e		JDSO 13, 87, 2017
Kpp2017f	C j	Knapp, W.R.A.	2017JDSO...13..133K
Kpp2017f	+V	JDSO 13, 133, 2017
Kpp2017g	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..140K
Kpp2017g	+Pp	JDSO 13, 140, 2017
Kpp2017g	+E+
Kpp2017g	+Hw
Kpp2017h	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..174K
Kpp2017h		JDSO 13, 174, 2017
Kpp2017i	C j	Knapp, W.R.A.	2017JDSO...13..257K
Kpp2017i	+E+	JDSO 13, 257, 2017
Kpp2017i	+Hg
Kpp2017j	C j	Knapp, W.R.A.	...................
Kpp2017j	+Hg	Webb Soc., Double Star Circ. 25, 21, 2017
Kpp2017k	C j	Knapp, W.R.A.	2017JDSO...13..363K
Kpp2017k	+E+	JDSO 13, 363, 2017
Kpp2017k	+Hg
Kpp2017l	C j	Knapp, W.R.A.	2017JDSO...13..419K
Kpp2017l	+Er	JDSO 13, 419, 2017
Kpp2017l	+Hg
Kpp2017m	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..447K
Kpp2017m	+Pp	JDSO 13, 447, 2017
Kpp2017m	+E+
Kpp2017m	+Hw
Kpp2017n	C j	Knapp, W.R.A.	2017JDSO...13..475K
Kpp2017n	+E+	JDSO 13, 475, 2017
Kpp2017n	+Hg
Kpp2017o	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..538K
Kpp2017o	+Pp	JDSO 13, 538, 2017
Kpp2017o	+E+
Kpp2017o	+Hw
Kpp2017p	C j	Knapp, W.R.A. & Nanson, J.	2017JDSO...13..553K
Kpp2017p	+Pp	JDSO 13, 553, 2017
Kpp2017p	+E+
Kpp2017p	+Hw
Kpp2017q	E+ j	Knapp, W.R.A.	2017JDSO...13..580K
Kpp2017q	+Hg	JDSO 13, 580, 2017
Kpp2017r	E+ j	Knapp, W.R.A.	2017JDSO...13..615K
Kpp2017r	+Hg	JDSO 13, 615, 2017
Kpp2018a	C j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14....3K
Kpp2018a	+E+	JDSO 14, 3, 2018
Kpp2018b	E j	Knapp, W.R.A.	2018JDSO...14...43K
Kpp2018b		JDSO 14, 43, 2018
Kpp2018c	C j	Knapp, W.R.A.	2018JDSO...14...59K
Kpp2018c		JDSO 14, 59, 2018
Kpp2018d	C+ j	Knapp, W.R.A.	2018JDSO...14..147K
Kpp2018d	+E+	JDSO 14, 147, 2018
Kpp2018d	+H
Kpp2018e	C+ j	Knapp, W.R.A.	2018JDSO...14..344K
Kpp2018e	+E+	JDSO 14, 344, 2018	.
Kpp2018e	+H		.
Kpp2018f	H+ j	Knapp, W.R.A.	2018JDSO...14..357K
Kpp2018f	+E	JDSO 14, 357, 2018	.
Kpp2018g	C j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..367K
Kpp2018g	+P+	JDSO 14, 367, 2018	.
Kpp2018g	+E+		.
Kpp2018g	+H		.
Kpp2018h	H j	Knapp, W.R.A. & Bryant, III, T.V.	2018JDSO...14..389K
Kpp2018h		JDSO 14, 389, 2018	.
Kpp2018i	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..404K
Kpp2018i	+Hg	JDSO 14, 404, 2018	.
Kpp2018i		Note: Systems with CPM rating of "CCC" given "U" code in WDS.
Kpp2018j	E+ j	Knapp, W.R.A.	2018JDSO...14..415K
Kpp2018j	+Hg	JDSO 14, 404, 2018	.
Kpp2018j		Note: Systems with CPM rating of "CCCC" given "U" code in WDS.
Kpp2018k	H j	Knapp, W.R.A. & Bryant, III, T.V.	2018JDSO...14..427K
Kpp2018k		JDSO 14, 427, 2018	.
Kpp2018k		Note: Systems with CPM rating of "DDDD" given "U" code in WDS.
Kpp2018k		Note: Systems with CPM rating of "AAAA" given "V" code in WDS.
Kpp2018l	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..443K
Kpp2018l	+Hg	JDSO 14, 443, 2018	.
Kpp2018l		Note: Systems with CPM rating of "CCCC" given "U" code in WDS.
Kpp2018m	Hg j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..503K
Kpp2018m		JDSO 14, 503, 2018	.
Kpp2018n	E+ j	Knapp, W.R.A.	2018JDSO...14..546K
Kpp2018n	+Hg	JDSO 14, 546, 2018	.
Kpp2018n		Note: Systems with CPM rating of "DDDD" given "U" code in WDS.
Kpp2018n		Note: Systems with CPM rating of "AAAA" given "V" code in WDS.
Kpp2018o	E+ j	Knapp, W.R.A.	2018JDSO...14..587K
Kpp2018o	+Hg	JDSO 14, 587, 2018	.
Kpp2018o		Note: Systems with CPM rating of "DDDD" given "U" code in WDS.
Kpp2018o		Note: Systems with CPM rating of "AAAA" given "V" code in WDS.
Kpp2018p	C j	Knapp, W.R.A.	...................
Kpp2018p	+Hg	Webb Soc., Double Star Circ. 26, 49, 2018
Kpp2018q	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..609K
Kpp2018q	+Hg	JDSO 14, 609, 2018	.
Kpp2018q		Note: Systems with CPM rating of "CCCC" given "U" code in WDS.
Kpp2018q		Note: Measures by UCAC already matched and not added.
Kpp2018r	C+ j	Knapp, W.R.A. & Nanson, J.	2018JDSO...14..667K
Kpp2018r	+Hg+	JDSO 14, 667, 2018	.
Kpp2018r	+E	Note: Measures by UCAC and 2MASS not added.
Kpp2019a	Hg u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15...21K
Kpp2019a		JDSO 15, 21, 2019
Kpp2019a		Note: Epoch precision of Gaia data degraded to 2015.0 and 2015.5.
Kpp2019a		Note: Eu and E2 measures not added.
Kpp2019b	Hg u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15...42K
Kpp2019b		JDSO 15, 42, 2019
Kpp2019b		Note: Epoch precision of Gaia data degraded to 2015.0 and 2015.5.
Kpp2019b		Note: Eu and E2 measures not added.
Kpp2019c	Hg+ u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15..130K
Kpp2019c	+C+	JDSO 15, 130, 2019
Kpp2019c	+E	Note: Epoch precision of Gaia data degraded to 2015.0 and 2015.5.
Kpp2019c		Note: Eu and E2 measures not added, if Eg already added, not added again.
Kpp2019d	Hg u	Knapp, W.R.A.	2019JDSO...15..178K
Kpp2019d		JDSO 15, 178, 2019
Kpp2019e	Hg u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15..242K
Kpp2019e		JDSO 15, 242, 2019
Kpp2019e		Note: If DR2 measure already published, not added here.
Kpp2019f	Hg j	Knapp, W.R.A.	...................
Kpp2019f		Webb Soc., Double Star Circ. 27, 30, 2019
Kpp2019f		Note: Tables added thusfar: Table 1, 2, 3, 6, 7
Kpp2019g	Hg j	Knapp, W.R.A.	...................
Kpp2019g		Webb Soc., Double Star Circ. 27, 55, 2019
Kpp2019g		Note: Not added yet.
Kpp2019h	Hg j	Knapp, W.R.A.	...................
Kpp2019h		Webb Soc., Double Star Circ. 27, 73, 2019
Kpp2019i	Hg+ u	Knapp, W.R.A. & Nanson, J.	2019JDSO...15..322K
Kpp2019i	+C	JDSO 15, 322, 2019
Kpp2019j	Hg j	Knapp, W.R.A.	...................
Kpp2019j		Webb Soc., Double Star Circ. 27, 30, 2019
Kpp2019j		Note: Also pages 55 & 73. Separate file sent 2 September 2019 which includes Kpp2	019f & Kpp2019h
Kpp2019k	Hg u	Knapp, W.R.A.	2019JDSO...15..530K
Kpp2019k		JDSO 15, 530, 2019
Kpp2019l	Hg+ u	Knapp, W.R.A.	2019JDSO...15..544K
Kpp2019l	+C	JDSO 15, 544, 2019
Kpp2019m	Hg u	Knapp, W.R.A.	2019JDSO...15..559K
Kpp2019m		JDSO 15, 559, 2019
Kpp2019n	not u	Knapp, W.R.A.	...................
Kpp2019n		private communication, 2019 (31 October email)
Kpp2019o	Hg u	Knapp, W.R.A.	2019JDSO...15..327K
Kpp2019o		JDSO 15, 327, 2019
Kpp2019p	Hg u	Knapp, W.R.A.	.
Kpp2019p		private communication, 2019
Kpp2020a	C+ j	Knapp, W.R.A.	2020JDSO...16...17K
Kpp2020a	+Hg	JDSO 16, 17, 2020
Kpp2020a		DR2 measures of pairs already added to WDS not added.
Kpp2020b	C+ -	Knapp, W.R.A.	2020JDSO...16...23K
Kpp2020b	+Hg	JDSO 16, 23, 2020
Kpp2020b		DR2 measures of pairs already added to WDS not added.
Kpp2020c	Hg -	Knapp, W.R.A.	2020JDSO...16...48K
Kpp2020c		JDSO 16, 48, 2020
Kpp2020c		DR2 measures of pairs already added to WDS not added.
Kpp2020d	Hg -	Knapp, W.R.A.	2020JDSO...16...48K
Kpp2020d		JDSO 16, 48, 2020
Kpp2020d		pair already in WDS as KPP4252. No data added.
Kpp2020e	Hg j	Knapp, W.R.A.	.
Kpp2020e		Webb Soc., Double Star Circ. 28, 64, 2020
Kpp2020f	Hg+ j	Knapp, W.R.A.	2020JDSO...16..229K
Kpp2020f	+C	JDSO 16, 229, 2020
Kpp2020f	+orb
Kpp2020g	C+	Knapp, W.R.A.	2020JDSO...16..352K
Kpp2020g	+Hg	JDSO 16, 352, 2020
Kpp2021a	C j	Knapp, W.R.A.	.
Kpp2021a		Webb Soc., Double Star Circ. 29, 49, 2021
Kpp2021b	- j	Knapp, W.R.A.	2021JDSO...17..296K
Kpp2021b		JDSO 17, 296, 2021
Kpp2022a	C j	Knapp, W.R.A.	2022JDSO...18..160K
Kpp2022a	+Hg	JDSO 18, 160, 2022
Kpp2022b	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2022b		private communication, 2022 (4 June email)
Kpp2022c	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2022c		private communication, 2022 (29 August email)
Kpp2022d	C j	Knapp, W.R.A.	.
Kpp2022d		Webb Soc., Double Star Circ. 30, 16, 2022
Kpp2022e	Hg u	Knapp, W.R.A. & Gould, R.	.
Kpp2022e		private communication, 2022 (13 September email)
Kpp2022f	Hg u	Knapp, W.R.A. & Gould, R.	.
Kpp2022f		private communication, 2022 (8 October email)
Kpp2022g	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2022g		private communication, 2022 (21 October email)
Kpp2023a	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023a		private communication, 2023 (23 March email)
Kpp2023b	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023b		private communication, 2023 (25 April email)
Kpp2023c	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023c		private communication, 2023 (28 June email)
Kpp2023d	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023d		private communication, 2023 (05 July email)
Kpp2023e	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023e		private communication, 2023 (10 July email)
Kpp2023f	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023f		private communication, 2023 (14 July email)
Kpp2023g	C j	Knapp, W.R.A.	.
Kpp2023g		Webb Soc., Double Star Circ. 31, 21, 2023
Kpp2023h	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023h		private communication, 2023 (25 July email)
Kpp2023i	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023i		private communication, 2023 (28 July email)
Kpp2023j	Hg u	Knapp, W.R.A. & Nanson, J.	.
Kpp2023j		private communication, 2023 (09 August email)
Kpp2023k	C j	Knapp, W.R.A. .
Kpp2023k		Webb Soc., Double Star Circ. 31, 21, 2023
Kpp2023l	C j	Knapp, W.R.A. & Gould, R.	.
Kpp2023l		Webb Soc., Double Star Circ. 31, 38, 2023

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21545+7639	KPP4257		2015	3	110	1.7	13.40	13.10		T	215428.30+763906.8
21545+7639	KPP4257		2016	4	110	1.7	13.40	13.10		T	215428.30+763906.8

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

No records found.


No records found.

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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Show name coord_2000 discov# comp pa sep dist(') Show 21545+7639 KPP4257 110 1.7 Show 21567+7639 LOC 493 113 1.5 8 Show 21572+7622 UC 4611 304 33.6 20 Show 21576+7621 SKF2780 345 22.4 22 Show 22013+7700 LOC 502 AB 129 4.0 32 Show 21573+7605 A 892 230 1.3 36 Show 22054+7635 LOC 501 210 4.1 38 Show 21589+7602 MLR 254 309 2.5 40 Show 22035+7710 LOC 503 177 6.8 44 Show 22069+7626 LDS1969 322 14.2 46 Show 22070+7557 TDT3350 AB 145 4.1 62 Show 21584+7535 RAO 690 316 218.6 66 Show 21507+7746 HDS3110 353 0.4 69 Show 22131+7727 LOC 504 295 3.1 79 Show 21460+7515 UC 4555 332 16.7 90 Show 22028+7806 LOC 509 302 2.5 91 Show 22119+7804 UC 4675 195 27.8 103 Show 21374+7513 STT 449 127 1.2 106 Show 22115+7502 LDS1972 AB 298 17.8 116 Show 22115+7502 LDS1972 Aa,Ab 253 3.6 116 Show 22076+7826 LDS1971 296 3.0 116 Show 22080+7830 LOC 510 17 1.7 120 Show 22065+7445 LDS1967 42 44.9 123 Show 21394+7839 UC 4520 189 30.6 129 Show 22082+7438 MLR 256 156 0.3 131 Show 21585+7425 KPP 501 92 3.4 135 Show 22064+7430 STF2874 149 9.8 137 Show 22086+7850 LOC 511 347 2.1 139 Show 22095+7852 HU 777 249 0.4 141 Show 21515+7419 UC 4582 96 50.5 141 Show 22008+7417 LDS1966 155 1.9 144 Show 21398+7425 MLR 250 315 0.7 144 Show 21493+7410 UC 4573 264 51.6 150 Show 21391+7421 KPP4240 238 6.8 151 Show 21503+7410 UC 4578 AB 187 73.6 151 Show 21503+7410 UC 4578 AC 120 51.1 151 Show 21461+7411 SKF1102 184 2.3 151 Show 21566+7408 UC 4607 118 51.7 152 Show 21503+7410 UC 4578 BC 48 71.7 152 Show 21560+7404 UC 4601 CD 137 33.9 155 Show 21560+7404 UC 4601 BD 237 43.9 155 Show 21560+7404 UC 4601 AB 29 32.1 156 Show 21560+7404 UC 4601 AC 303 53.1 156 Show 21537+7402 UC 4591 233 43.9 158 Show 22143+7420 LDS1973 277 3.0 158 Show 21546+7401 UC 4594 146 57.4 158 Show 21555+7358 UC 4599 CD 243 85.4 161 Show 21555+7358 UC 4599 BC 305 42.2 161 Show 21555+7358 UC 4599 DE 227 67.4 161 Show 21581+7359 UC 4615 201 39.7 162 Show 21555+7358 UC 4599 AB 321 62.5 162

	A
B	pa=147.0° sep=0.67"

Componente originario normalizzato	AB		Coord arcsec 2000	215428.30+763906.8		Mag	13.4		PmRA	-42.00
PmDE	9.0

Componente originario normalizzato	AB		Coord arcsec 2000	215428.40+763906.2		Mag	13.1		PmRA	-33.00
PmDE	1.0		Calc delta mag	0.3		Calc coord	yes