12394-3228 SKF 1223 AB,C

Coord 2000	12394-3228		Discov num	SKF1223		Comp	AB,C		Coord arcsec 2000	12 39 25.99 -32 28 29.5
Date first	1957		Date last	2015		Obs	5
Pa first	354		Pa last	356.7		P.A. Now (θ)	356.7°
Sep first	16.1		Sep last	15.987		Sep. Now (ρ)	15.987"
Mag pri	10.10		Mag sec	19.00		delta mag (ΔM)	8.9		Spectral class	K0 (yellow-orange)
Pri motion ra	-076		Sec motion ra
Pri motion dec	+020		Sec motion dec
Notes	V (Proper motion indicates physical)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			12 39 26 -32 28 30	TDS 8473 AB	1991	1	312	0.4	10.87	10.92	0.05
Show			12 39 26 -32 28 30	SKF 1223 AB,C	2015	5	357	16.0	10.10	19.00	8.90		<===

Triple system
4 estimated visually detectable stars in this system

Constellation

Hydra

Tycho2

7251-00764-1

Gaia DR2

6160229093952730624

No records found.

refcode	metd	author	reference
Skf2000	Ma -	Skiff, B.A.	...................
Skf2000		Webb Soc., Double Star Circ. 8, 2000 (may not be properly precessed)
Skf2002	C -	Skiff, B.A.	...................
Skf2002		private communication, 2002
Skf2002		(measure based on 2MASS data, may not be properly precessed)
Skf2003	-	Skiff, B.A.	...................
Skf2003		private communication, 2003 (may not be properly precessed)
Skf2004	-	Skiff, B.A.	...................
Skf2004		private communication, 2004 (may not be properly precessed)
Skf2004		(coordinates and identifications for Stock & Wroblewski pairs)
Skf2005	C -	Skiff, B.A.	...................
Skf2005		private communication, 2005 (may not be properly precessed)
Skf2006	-	Skiff, B.A.	...................
Skf2006		private communication, 2006 (may not be properly precessed)
Skf2006b	Pa -	Skiff, B.A.	...................
Skf2006b		private communication, 2006 (may not be properly precessed)
Skf2006b		(data mining of Stephenson, C.B., AJ 91, 144, 1986)	1986AJ.....91..144S
Skf2006c	Po -	Skiff, B.A.	...................
Skf2006c		private communication, 2006 (may not be properly precessed)
Skf2006c		(data mining of Joy & Abt, ApJS 28, 1, 1974)	1974ApJS...28....1J
Skf2007	-	Skiff, B.A.	...................
Skf2007		private communication, 2007 (may not be properly precessed)
Skf2009	E2 -	Skiff, B.A.	...................
Skf2009		private communication, 2009 (may not be properly precessed)
Skf2010	C j	Skiff, B.A.	...................
Skf2010	+E+	private communication, 2010 (may not be properly precessed)
Skf2010	+Pa
Skf2011	C j	Skiff, B.A.	...................
Skf2011	+E+	private communication, 2011 (may not be properly precessed)
Skf2011	+H+
Skf2011	+M+
Skf2011	+P+
Skf2011	+T
Skf2011b	Pa j	Skiff, B.A.	...................
Skf2011b	+E+	Webb Soc., Double Star Circ. 19, 2011 (may not be properly precessed)
Skf2012	A j	Skiff, B.A.	...................
Skf2012	+C	private communication, 2012 (may not be properly precessed)
Skf2012	+E+
Skf2012	+H+
Skf2012	+P+
Skf2012	+T+
Skf2012b	C j	Skiff, B.A.	...................
Skf2012b		private communication, 2012 (may not be properly precessed)
Skf2012b		(measure calculated from component coords in Alcock et al., ApJ 562, 337, 2001)	2001ApJ...562..337A
Skf2012c	Ci -	Skiff, B.A.	...................
Skf2012c		private communication, 2012 (may not be properly precessed)
Skf2012c		(measure calculated from component coords in FLX2006)	2006ApJ...639..816E
Skf2012d	Pa j	Skiff, B.A.	...................
Skf2012d		private communication, 2012 (may not be properly precessed)
Skf2012d		(measure calculated from component coords in Fresneau et al., A&A 469, 1221, 2007)	2007A&A...469.1221F
Skf2012e	C j	Skiff, B.A.	...................
Skf2012e		private communication, 2012 (may not be properly precessed)
Skf2012e		(measure calculated from component coords in Slesnick et al. 2002)	2002ApJ...576..880S
Skf2012f	C j	Skiff, B.A.	...................
Skf2012f	+H	private communication, 2012 (may not be properly precessed)
Skf2012f		(measure calculated from component coords in Romano et al., A&A 488, 1221, 2008)	2008A&A...488.1221R
Skf2012g	C -	Skiff, B.A.	...................
Skf2012g		private communication, 2012 (may not be properly precessed)
Skf2012g		(measure calculated from component coords in Trullols et al. 1997)	1997A&A...324..549T
Skf2012h	C -	Skiff, B.A.	...................
Skf2012h		private communication, 2012 (may not be properly precessed)
Skf2012h		(measure calculated from component coords in Herbig, ApJ 497, 736, 1998)	1998ApJ...497..736H
Skf2012i	H -	Skiff, B.A.	...................
Skf2012i		private communication, 2012 (may not be properly precessed)
Skf2012i		(measure calculated from component coords in Najita et al. 2000)	2000ApJ...541..977N
Skf2012j	C j	Skiff, B.A.	...................
Skf2012j		private communication, 2012 (may not be properly precessed)
Skf2012j		(measure calculated from component coords in Luhman et al. 2003)	2003ApJ...593.1093L
Skf2012k	C -	Skiff, B.A.	...................
Skf2012k		private communication, 2012 (may not be properly precessed)
Skf2012k		(measure calculated from component coords in Cohen et al. 2004)	2004AJ....127.1602C
Skf2012l	C -	Skiff, B.A.	...................
Skf2012l		private communication, 2012 (may not be properly precessed)
Skf2012l		(measure calculated from component coords in Littlefair et al, MNRAS 358,341,2005)	2005MNRAS.358..341L
Skf2012m	H -	Skiff, B.A.	...................
Skf2012m		private communication, 2012 (may not be properly precessed)
Skf2012m		(measure calculated from component coords in Lada et al., AJ 131, 1574, 2006)	2006ApJ...131.1574L
Skf2012n	C -	Skiff, B.A.	...................
Skf2012n		private communication, 2012 (may not be properly precessed)
Skf2012n		(measure calculated from component coords in Mayne et al. 2007)	2007MNRAS.375.1220M
Skf2012o	E -	Skiff, B.A.	...................
Skf2012o	+E2	private communication, 2012 (may not be properly precessed)
Skf2012o		(measure calculated from component coords in Poleski et al. 2011)	2011AcA....61..199P
Skf2012q	C j	Skiff, B.A.	...................
Skf2012q	+E+	Webb Soc., Double Star Circ. 20, 2012 (may not be properly precessed)
Skf2012q	+H+
Skf2012q	+Mr
Skf2012q	+P+
Skf2012q	+T
Skf2013	A j	Skiff, B.A.	...................
Skf2013	+C	private communication, 2013 (may not be properly precessed)
Skf2013	+E+
Skf2013	+H+
Skf2013	+Ma
Skf2013	+P+
Skf2013	+T
Skf2013b	C j	Skiff, B.A.	...................
Skf2013b	+E+	Webb Soc., Double Star Circ. 21, 2013 (may not be properly precessed)
Skf2013b	+H+
Skf2013b	+P+
Skf2013b	+T+
Skf2013c	E -	Skiff, B.A.	...................
Skf2013c	+Pa	private communication, 2013 (may not be properly precessed)
Skf2013c		(measure calculated from component coords in Galadi-Enriquez et al. 1998)	1998A&AS..131..239G
Skf2014	C j	Skiff, B.A.	...................
Skf2014	+E+	private communication, 2014 (may not be properly precessed)
Skf2014	+H+
Skf2014	+P+
Skf2014b	C j	Skiff, B.A.	...................
Skf2014b	+E+	Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014b	+H+
Skf2014b	+M+
Skf2014b	+P+
Skf2014b	+T
Skf2014c	E -	Skiff, B.A.	...................
Skf2014c	+Pa	Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014c		(measure calculated from component coords in Galadi-Enriquez et al. 1998)	1998A&AS..131..239G
Skf2014d	Pa w	Skiff, B.A.	...................
Skf2014d		Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014d		(measure calculated from component coords in Fresneau et al., A&A 469, 1221, 2007)	2007A&A...469.1221F
Skf2015	C j	Skiff, B.A.	...................
Skf2015	+E+	private communication, 2015 (may not be properly precessed)
Skf2015	+H+
Skf2015	+P+
Skf2015	+T
Skf2015b	C j	Skiff, B.A.	...................
Skf2015b	+E+	Webb Soc., Double Star Circ. 23, 40, 2015 (may not be properly precessed)
Skf2015b	+Hw
Skf2015b	+P+
Skf2015c	C j	Skiff, B.A.	...................
Skf2015c	+E+	Webb Soc., Double Star Circ. 23, 49, 2015 (may not be properly precessed)
Skf2015c	+H+
Skf2015c	+P+
Skf2015c	+T
Skf2015d	C j	Skiff, B.A.	...................
Skf2015d	+E+	private communication, 2015 (list 38; may not be properly precessed)
Skf2015d	+H+
Skf2015d	+P+
Skf2015d	+T
Skf2015e	C j	Skiff, B.A.	...................
Skf2015e	+E+	private communication, 2015 (list 39; may not be properly precessed)
Skf2015e	+H+
Skf2015e	+P+
Skf2015e	+T
Skf2016a	C j	Skiff, B.A.	...................
Skf2016a	+E+	private communication, 2016 (list 40; may not be properly precessed)
Skf2016a	+H+
Skf2016a	+P+
Skf2016a	+T
Skf2016b	Pa j	Skiff, B.A. (measure in Csr2016)	...................
Skf2016b	+P	Webb Soc., Double Star Circ. 24, 40, 2016
Skf2016b	+E2
Skf2016b	+Ht
Skf2016b	+Eu
Skf2016b	+C
Skf2016b	+Hw
Skf2016b	+Er
Skf2016c	P+ j	Skiff, B.A.	...................
Skf2016c	+C	Webb Soc., Double Star Circ. 24, 43, 2016
Skf2016c	+E+
Skf2016c	+H+
Skf2016c	+P+
Skf2016c	+T+
Skf2016d	C j	Skiff, B.A.	...................
Skf2016d	+E+	private communication, 2016 (list 41; may not be properly precessed)
Skf2016d	+H+
Skf2016d	+P+
Skf2016d	+T
Skf2016e	C j	Skiff, B.A.	...................
Skf2016e	+E+	private communication, 2016 (14 June email; may not be properly precessed)
Skf2016f	C -	Skiff, B.A.	...................
Skf2016f	+E+	private communication, 2016 (list 42; may not be properly precessed)
Skf2016f	+H+
Skf2016f	+P+
Skf2016f	+T
Skf2016g	C j	Skiff, B.A.	...................
Skf2016g	+E+	private communication, 2016 (list 43; may not be properly precessed)
Skf2016g	+H+
Skf2016g	+P+
Skf2016g	+T
Skf2016h	Hg -	Skiff, B.A.	...................
Skf2016h		private communication, 2016 (1 December email; may not be properly precessed)
Skf2016i	Hg -	Skiff, B.A.	...................
Skf2016i		private communication, 2016 (20 December email; may not be properly precessed)
Skf2016j	Hg -	Skiff, B.A.	...................
Skf2016j		private communication, 2016 (24 December email; may not be properly precessed)
Skf2017a	C+ j	Skiff, B.A.	...................
Skf2017a	+H	private communication, 2017 (13 January email; may not be properly precessed)
Skf2017b	Hg -	Skiff, B.A.	...................
Skf2017b		private communication, 2017 (14 January email; may not be properly precessed)
Skf2017b
Skf2017c	C+ j	Skiff, B.A.	...................
Skf2017c	+E+	private communication, 2017 (30 January email; may not be properly precessed)
Skf2017c	+H+
Skf2017c	+P
Skf2017d	Hg -	Skiff, B.A.	...................
Skf2017d		private communication, 2017 (26 Febuary email; may not be properly precessed)
Skf2017e	C+ j	Skiff, B.A.	...................
Skf2017e	+P	private communication, 2017 (9 March email; may not be properly precessed)
Skf2017f	E+ -	Skiff, B.A.	...................
Skf2017f	+H	private communication, 2017 (24 May email; may not be properly precessed)
Skf2017g	P+ u	Skiff, B.A.	...................
Skf2017g	+C+	Webb Soc., Double Star Circ. 25, 62, 2017
Skf2017g	+E+
Skf2017g	+H+
Skf2017g	+T
Skf2017h	Hg -	Skiff, B.A.	...................
Skf2017h		private communication, 2017 (24 June email; may not be properly precessed)
Skf2017i	H+ w	Skiff, B.A.	...................
Skf2017i	+P+	private communication, 2017 (11 July email; may not be properly precessed)
Skf2017i	+E+
Skf2017i	+C
Skf2017j	H+ w	Skiff, B.A.	...................
Skf2017j	+P+	private communication, 2017 (15 July emails; may not be properly precessed)
Skf2017j	+E
Skf2017k	C+ -	Skiff, B.A.	...................
Skf2017k	+E+	private communication, 2017 (17 July emails; may not be properly precessed)
Skf2017k	+H
Skf2017l	C+ -	Skiff, B.A.	...................
Skf2017l	+E+	private communication, 2017 (18 July emails; may not be properly precessed)
Skf2017l	+H
Skf2017m	P+ w	Skiff, B.A.	...................
Skf2017m	+E+	private communication, 2017 (20 July emails; may not be properly precessed)
Skf2017m	+H+
Skf2017m	+C
Skf2017n	E+ -	Skiff, B.A.	...................
Skf2017n	+H	private communication, 2017 (25 July emails; may not be properly precessed)
Skf2017o	E+ w	Skiff, B.A.	...................
Skf2017o	+P+	private communication, 2017 (20 August emails; may not be properly precessed)
Skf2017o	+C
Skf2017p	E+ j	Skiff, B.A.	...................
Skf2017p	+P+	private communication, 2017 (2 October emails; may not be properly precessed)
Skf2017p	+C+
Skf2017p	+H
Skf2017q	E+ w	Skiff, B.A.	...................
Skf2017q	+P+	private communication, 2017 (3 October emails; may not be properly precessed)
Skf2017q	+H
Skf2018a	E j	Skiff, B.A.	...................
Skf2018a		private communication, 2018 (18 January emails; may not be properly precessed)
Skf2018b	E+ j	Skiff, B.A.	...................
Skf2018b	+C	private communication, 2018 (10 February emails; may not be properly precessed)
Skf2018c	E+ j	Skiff, B.A.	...................
Skf2018c	+C	private communication, 2018 (16 February emails; may not be properly precessed)
Skf2018d	E+ j	Skiff, B.A.	...................
Skf2018d	+C	private communication, 2018 (6 March emails; may not be properly precessed)
Skf2018e	E+ j	Skiff, B.A.	...................
Skf2018e	+not	private communication, 2018 (15 March emails; may not be properly precessed)
Skf2018f	not j	Skiff, B.A.	...................
Skf2018f		private communication, 2018 (9 March emails; may not be properly precessed)
Skf2018g	Hg j	Skiff, B.A.	...................
Skf2018g		private communication, 2018 (20 March emails; may not be properly precessed)
Skf2018h	H j	Skiff, B.A.	...................
Skf2018h	+E	private communication, 2018 (6 April emails; may not be properly precessed)
Skf2018i	H j	Skiff, B.A.	...................
Skf2018i	+P	private communication, 2018 (19 October emails; may not be properly precessed)
Skf2018j	H j	Skiff, B.A.	...................
Skf2018j	+P	private communication, 2018 (24 November emails; may not be properly precessed)
Skf2018k	H j	Skiff, B.A.	...................
Skf2018k	+P	private communication, 2018 (19 December emails; may not be properly precessed)
Skf2019a	H j	Skiff, B.A.	...................
Skf2019a		private communication, 2019 (16 July email; may not be properly precessed)
Skf2019b	H j	Skiff, B.A.	...................
Skf2019b		private communication, 2019 (6 August email; may not be properly precessed)
Skf2019c	j	Skiff, B.A.	...................
Skf2019c		private communication, 2019 (16 August email; may not be properly precessed)
Skf2019d	H j	Skiff, B.A.	...................
Skf2019d		private communication, 2019 (11 September email; may not be properly precessed)
Skf2019e	H+ j	Skiff, B.A.	...................
Skf2019e	+E	private communication, 2019 (30 July email; may not be properly precessed)
Skf2019f	C j	Skiff, B.A.	...................
Skf2019f	+E+	private communication, 2019 (list 44; may not be properly precessed)
Skf2019f	+H+
Skf2019f	+P+
Skf2019f	+T
Skf2019g	Z j	Skiff, B.A.	...................
Skf2019g		private communication, 2019 (8 October email)
Skf2020a	C j	Skiff, B.A.	...................
Skf2020a	+E+	private communication, 2020 (9 March email; may not be properly precessed)
Skf2020a	+H+
Skf2020a	+P
Skf2020b	C j	Skiff, B.A.	...................
Skf2020b	+E+	private communication, 2020 (list 45; may not be properly precessed)
Skf2020b	+H+
Skf2020b	+P+
Skf2020b	+T
Skf2020c	Hg j	Skiff, B.A.	...................
Skf2020c		private communication, 2020 (5 August email)
Skf2020d	Hg+ j	Skiff, B.A.	...................
Skf2020d	+Ek	private communication, 2020 (23 August email)
Skf2020e	Hg j	Skiff, B.A.	...................
Skf2020e		private communication, 2020 (31 August email)
Skf2020f	E	Skiff, B.A.	...................
Skf2020f		private communication, 2020 (22 November email)
Skf2021a	Hg	Skiff, B.A.	...................
Skf2021a		private communication, 2021 (13 March email)
Skf2021b	H+	Skiff, B.A.	...................
Skf2021b	+E+	private communication, 2021 (15 November email)
Skf2021c	Hg	Skiff, B.A.	...................
Skf2021c		private communication, 2021 (16 December email)
Skf2022a	E	Skiff, B.A.	...................
Skf2022a		private communication, 2022 (12 September email)
Skf2022b	Hg	Skiff, B.A.	...................
Skf2022b		private communication, 2022 (28 September email)
Skf2022c	E	Skiff, B.A.	...................
Skf2022c		private communication, 2022 (17 October email)
Skf2022d	E	Skiff, B.A.	...................
Skf2022d		private communication, 2022 (12 December email)
Skf2022e	Hg	Skiff, B.A.	...................
Skf2022e		private communication, 2022 (19 December email)
Skf2023a	Hg	Skiff, B.A.	...................
Skf2023a		private communication, 2023 (28 February email)
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12394-3228	SKF1223	AB,C	2000	4	355	15.2	10.10	19.00	K0	V	123925.99-322829.6
12394-3228	SKF1223	AB,C	2015	5	357	16.0	10.10	19.00	K0	V	123925.99-322829.5

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

No records found.


No records found.

Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation.

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
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 12394-3228 TDS8473 AB 312 0.4 Show 12394-3228 SKF1223 AB,C 357 16.0 Show 12390-3200 TOI 758 349 0.2 30 Show 12371-3213 KPP3036 74 3.4 34 Show 12369-3211 I 1222 AB 222 0.3 37 Show 12369-3211 I 1222 AB,C 314 12.8 37 Show 12389-3308 UC 2377 30 21.2 41 Show 12360-3307 HJ 4532 267 5.0 58 Show 12445-3252 RST1689 258 1.2 68 Show 12420-3330 I 1557 AB 94 3.2 70 Show 12342-3206 HJ 4528 AB 140 30.2 71 Show 12361-3335 LDS5756 309 102.5 80 Show 12349-3125 B 2296 72 11.9 86 Show 12433-3341 I 1558 281 0.5 87 Show 12323-3238 DAM1445 158 1.9 91 Show 12461-3146 B 232 44 0.7 95 Show 12387-3054 UC 2375 267 44.1 95 Show 12321-3239 LDS5755 145 206.8 95 Show 12463-3307 SKF1947 304 6.4 96 Show 12393-3047 HJ 4537 352 11.0 102 Show 12318-3155 RST1675 305 0.8 103 Show 12397-3044 RST1682 167 2.1 106 Show 12468-3319 HDO 219 219 77.4 106 Show 12314-3205 PRO 101 304 6.1 106 Show 12474-3154 TDS8522 95 0.8 107 Show 12306-3206 KPP1813 19 14.1 114 Show 12425-3038 WSP 41 AB 245 9.5 117 Show 12425-3038 WSP 41 AC 184 14.2 117 Show 12425-3038 WSP 41 AD 346 21.8 117 Show 12375-3034 DAW 103 256 0.5 117 Show 12483-3309 SKF1949 99 29.1 119 Show 12461-3105 UC 2403 269 10.3 119 Show 12456-3059 UC 2399 16 8.7 119 Show 12454-3054 KPP2023 90 16.1 122 Show 12407-3027 LDS4245 129 13.0 124 Show 12341-3045 SKF1919 104 10.4 124 Show 12397-3022 TDS8477 17 3.5 127 Show 12428-3428 RST2810 217 1.2 127 Show 12492-3303 I 1560 317 1.6 129 Show 12450-3031 UC 2395 17 13.9 138 Show 12431-3015 RST2811 214 1.3 142 Show 12458-3032 UC 2401 98 35.7 143 Show 12332-3427 TSN 85 141 25.8 143 Show 12407-3455 GRV1275 109 1.3 148 Show 12306-3407 UC 2352 213 9.0 149 Show 12356-3453 LDS 413 AB 147 95.6 153 Show 12356-3453 LDS 413 Ba,Bb 41 0.4 153 Show 12309-3041 I 514 125 0.0 154 Show 12300-3411 TSN 160 64 0.1 157 Show 12429-2954 UC 2390 AB 243 28.9 162 Show 12497-3406 DAM 710 AB 217 255.8 162

	A	B
B	pa=316.6° sep=0.40"
C	pa=357.2° sep=15.98"	pa=358.2° sep=15.68"

Coord arcsec 2000	123925.99-322829.5		Mag	10.87		Spectral class	K0 (yellow-orange)		PmRA	-76.00
PmDE	20.0		Tycho2	7251-00764-1

Tycho2	7251-00764-1		Pflag			RAmdeg	189.85828166		DEmdeg	-32.47487465
PmRA	-80.7		PmDE	16.5		E RAmdeg	20		E DEmdeg	25
E pmRA	1.4		E pmDE	1.7		EpRAm	1985.08		EpDEm	1987.41
Num	8		Q RAmdeg	0.9		Q DEmdeg	0.6		Q pmRA	1.0
Q pmDE	0.6		BTmag	10.946		E BTmag	0.050		VTmag	10.198
E VTmag	0.035		Prox	999		TYC	T		HIP
CCDM			RAdeg	189.85850278		DEdeg	-32.47491083		EpRA 1990	1.69
EpDE 1990	1.74		E RAdeg	22.9		E DEdeg	27.1		Posflg
Corr	0.2

Coord arcsec 2000	123925.97-322829.2		Mag	10.92		PmRA	-81.00		PmDE	17.0
Calc delta mag	0.05		Calc coord	yes

Coord arcsec 2000

123925.93-322813.5

Mag

19

Calc delta mag

8.13

Calc coord

yes