18055-2326 SKF 2529 AB

Coord 2000	18055-2326		Discov num	SKF2529		Comp	AB		Coord arcsec 2000	18 05 31.71 -23 26 07.6
Date first	2006		Date last	2011		Obs	2
Pa first	56		Pa last	55.7		P.A. Now (θ)	55.7°
Sep first	1.7		Sep last	1.78		Sep. Now (ρ)	1.78"
Mag pri	11.60		Mag sec	18.00		delta mag (ΔM)	6.4		Spectral class	A0 (white)
Pri motion ra	+001		Sec motion ra
Pri motion dec	-004		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 05 32 -23 26 08	SKF 2529 AB	2011	2	56	1.8	11.60	18.00	6.40		<===
Show			18 05 32 -23 26 08	SKF 2529 AC	2011	2	271	1.5	11.60	25.00	13.40
Show			18 05 32 -23 26 07	SKF 2529 BC	2011	2	251	3.1	18.00	25.00	7.00

Triple system
3 estimated visually detectable stars in this system

Constellation

Sagittarius

Tycho2

6842-01234-1

Gaia DR2

4066185692497217920

HD

313878

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)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18055-2326	SKF2529	AB	2006	1	56	1.7	11.60	18.00	A0		180531.71-232607.6
18055-2326	SKF2529	AB	2011	2	56	1.8	11.60	18.00	A0		180531.71-232607.6

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 18055-2326 SKF2529 AB 56 1.8 Show 18055-2326 SKF2529 AC 271 1.5 Show 18055-2326 SKF2529 BC 251 3.1 1 Show 18056-2328 ARA2212 155 10.0 2 Show 18049-2326 ARA2210 145 8.7 9 Show 18051-2317 B 375 168 0.9 12 Show 18055-2312 ARA2211 89 10.8 16 Show 18054-2343 TDT 672 103 1.6 18 Show 18054-2300 LYS 33 AB 289 35.2 26 Show 18054-2300 SNA 80 AC 21 5.6 26 Show 18054-2300 SNA 80 AD 186 5.6 26 Show 18054-2300 SNA 80 AE 184 7.8 26 Show 18056-2356 ARA2213 235 14.5 30 Show 18076-2316 OCC 646 -1 0.1 30 Show 18077-2321 OCC 647 -1 0.1 32 Show 18083-2326 B 378 79 0.5 39 Show 18039-2250 B 2430 7 8.8 43 Show 18027-2306 RST3151 32 1.3 44 Show 18039-2247 ARA1840 267 8.0 46 Show 18061-2412 B 376 AB 97 1.9 47 Show 18061-2412 SNA 81 Aa,Ab 116 0.0 47 Show 18061-2412 SNA 81 AC 225 6.6 47 Show 18061-2412 SNA 81 AD 8 7.9 47 Show 18022-2318 B 2851 156 10.5 47 Show 18090-2319 RST5103 95 1.1 49 Show 18030-2252 TDS 898 116 2.0 49 Show 18060-2238 BRT1513 56 4.4 49 Show 18024-2302 H N 40 AB 20 6.2 50 Show 18024-2302 H N 6 AC 212 10.7 50 Show 18024-2302 TRN 26 AH 345 1.5 50 Show 18024-2302 H N 6 AE 205 16.2 50 Show 18024-2302 HLD 175 AF 108 22.1 50 Show 18024-2302 H N 6 AG 212 40.7 50 Show 18024-2302 SNA 77 Aa,Ab 248 0.0 50 Show 18024-2302 SNA 77 AI 43 3.1 50 Show 18024-2302 SNA 77 AJ 165 6.5 50 Show 18024-2302 H N 6 CD 280 2.4 50 Show 18024-2302 H N 6 CE 191 6.0 50 Show 18024-2302 H N 6 CF 85 26.8 50 Show 18024-2302 H N 6 CG 212 30.0 50 Show 18092-2326 B 380 241 8.0 50 Show 18043-2239 LYS 32 12 23.9 51 Show 18074-2240 J 3203 92 3.8 52 Show 18042-2415 BU 1126 AB 55 0.6 52 Show 18042-2415 HJ 5009 AB,C 21 4.6 52 Show 18042-2415 DAW 218 AB,D 138 24.9 52 Show 18030-2243 RSS 468 288 11.4 56 Show 18047-2421 HJ 5010 351 3.1 57 Show 18039-2419 SNA 79 81 0.1 57 Show 18034-2237 ARA1839 42 12.4 58 Show 18044-2421 TDT 662 121 1.8 58

	A	B
B	pa=56.8° sep=1.64"
C	pa=270.5° sep=1.34"	pa=251.9° sep=2.86"

Coord arcsec 2000	180531.71-232607.6		Mag	11.6		Spectral class	A0 (white)		PmRA	1.00
PmDE	-4.0		Tycho2	6842-01234-1		HD	313878

Tycho2	6842-01234-1		Pflag			RAmdeg	271.38207660		DEmdeg	-23.43545066
PmRA	-1.0		PmDE	-2.3		E RAmdeg	55		E DEmdeg	70
E pmRA	2.4		E pmDE	2.5		EpRAm	1984.04		EpDEm	1978.24
Num	4		Q RAmdeg	0.4		Q DEmdeg	1.1		Q pmRA	0.4
Q pmDE	1.1		BTmag	11.673		E BTmag	0.089		VTmag	11.538
E VTmag	0.134		Prox	999		TYC			HIP
CCDM			RAdeg	271.38207917		DEdeg	-23.43544667		EpRA 1990	1.84
EpDE 1990	1.81		E RAdeg	57.8		E DEdeg	78.4		Posflg
Corr	0.0

Coord arcsec 2000

180531.81-232606.7

Coord calc

180531.81-232606.7

Mag

18

Calc delta mag

6.4

Coord arcsec 2000

180531.61-232607.6

Mag

25

Calc delta mag

13.4

Calc coord

yes