21122+6803 KPP 4227 AB

Coord 2000	21122+6803		Discov num	KPP4227		Comp	AB		Coord arcsec 2000	21 12 11.80 +68 03 08.4
Date first	2010		Date last	2016		Obs	3
Pa first	295		Pa last	297.6		P.A. Now (θ)	297.6°
Sep first	2.0		Sep last	1.933		Sep. Now (ρ)	1.933"
Mag pri	10.30		Mag sec	13.70		delta mag (ΔM)	3.4		Spectral class
Pri motion ra	+054		Sec motion ra	+056
Pri motion dec	+029		Sec motion dec	+027
Notes	T W (Parallax indicates physical, )

rPM=0.045 (< 0.3, Physical double) This double is physical.

Constellation

Cepheus

Tycho2

4461-00974-1

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
21122+6803	KPP4227	AB	2015	2	298	1.9	10.30	13.70		TW	211211.80+680308.4
21122+6803	KPP4227	AB	2016	3	298	1.9	10.30	13.70		TW	211211.80+680308.4

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 21122+6803 KPP4227 AB 298 1.9 Show 21157+6821 BVD 135 310 24.9 27 Show 21176+6818 YUN 1 AB 92 9.0 34 Show 21176+6818 CON 40 CD 69 1.0 34 Show 21158+6721 STF2788 352 8.1 47 Show 21016+6810 LI 6 AB 168 2.5 60 Show 21225+6751 TDT2933 157 0.6 60 Show 21022+6723 KPP4220 302 1.2 70 Show 21208+6704 LDS4880 141 226.6 77 Show 21068+6644 TDT2757 248 0.7 85 Show 21195+6647 TDT2902 182 0.9 87 Show 21195+6928 MLB 304 47 5.2 94 Show 21290+6744 TDT2986 223 0.5 97 Show 21001+6917 TDT2686 42 2.4 100 Show 21091+6623 MLR 68 280 0.8 102 Show 21015+6643 HU 959 164 1.3 102 Show 21069+6940 LAF 63 AB 201 3.7 102 Show 21069+6940 LAF 63 AC 259 8.4 102 Show 21069+6940 LAF 63 AD 332 14.5 102 Show 21091+6626 OCA 4 37 0.6 102 Show 21052+6942 MLB 303 6.1 107 Show 21209+6944 MLB 365 47 5.1 111 Show 21293+6703 HU 964 271 1.3 116 Show 21185+6613 HDS3032 144 0.7 116 Show 21125+6608 FOX 97 40 1.6 116 Show 20573+6645 MLB 268 332 5.8 116 Show 21278+6649 DCH 115 321 0.6 117 Show 21140+6606 MLB 221 175 3.8 118 Show 21148+7003 MLB 364 59 5.2 121 Show 21050+7000 LDS1944 349 48.0 124 Show 21238+6619 LDS4884 283 3.9 125 Show 21027+7005 TDT2710 42 0.4 132 Show 21197+6558 TDT2906 192 0.4 134 Show 21110+6549 HU 960 38 3.5 136 Show 20584+6611 FOX 96 123 2.2 138 Show 20544+6957 A 1216 AB 327 20.1 149 Show 20544+6957 A 1216 AC 346 38.6 149 Show 20544+6957 A 1216 CD 82 0.9 150 Show 21103+6534 TDT2800 137 0.6 150 Show 20589+6548 KPP2312 312 19.5 157 Show 21274+7028 CSR 1 286 7.7 166 Show 21115+7050 HDS3019 AB 136 0.3 167 Show 21289+7024 BKO 772 96 11.7 167 Show 21045+7046 STF2771 33 2.7 168 Show 21309+7020 CSR 2 AB 69 12.4 170 Show 21309+7020 BKO 773 BC 321 10.2 170 Show 21275+7028 SHR 1 141 11.5 173 Show Alfirk 21287+7034 LAB 6 Aa,Ab 226 0.2 174 Show Alfirk 21287+7034 STF2806 AB 250 13.6 174 Show 21288+6537 OSO 147 AB 211 23.1 176 Show 21288+6537 OSO 147 AC 287 24.7 176

	A
B	pa=324.4° sep=1.10"

Coord arcsec 2000	211211.80+680308.4		Mag	10.3		PmRA	54.00		PmDE	29.0
Tycho2	4461-00974-1

Tycho2	4461-00974-1		Pflag			RAmdeg	318.04921225		DEmdeg	68.05233905
PmRA	57.3		PmDE	25.1		E RAmdeg	17		E DEmdeg	17
E pmRA	1.7		E pmDE	1.7		EpRAm	1989.91		EpDEm	1989.92
Num	4		Q RAmdeg	0.2		Q DEmdeg	0.7		Q pmRA	0.2
Q pmDE	0.7		BTmag	10.572		E BTmag	0.034		VTmag	9.983
E VTmag	0.027		Prox	999		TYC	T		HIP
CCDM			RAdeg	318.04886167		DEdeg	68.05228028		EpRA 1990	1.74
EpDE 1990	1.70		E RAdeg	18.3		E DEdeg	18.2		Posflg
Corr	0.1

Coord arcsec 2000	211211.69+680309.3		Mag	13.7		PmRA	56.00		PmDE	27.0
Calc delta mag	3.4		Calc coord	yes