17576-1953 OCC 1021 (HD 163571)

 
 
17h 57m 34.30s -19° 53' 22.4" P.A. -1.00 sep 0.0 mag 9.10,9.80 Sp K0III dist. 387.6 pc (1264.35 l.y.)
 
 
Coord 2000 17576-1953 Discov num OCC1021 Comp Coord arcsec 2000 17 57 34.30 -19 53 22.4
Date first 1999 Date last 1999 Obs 0
Pa first -1 Pa last -1 P.A. Now (θ) -1
Sep first 0.0 Sep last 0.03 Sep. Now (ρ) 0.03"
Mag pri 9.10 Mag sec 9.80 delta mag (ΔM) 0.7 Spectral class K0III (yellow-orange)
Pri motion ra +001 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163571 Constellation Sagittarius SAO 160938 HIP 87918
Tycho2 6258-00226-1 Gaia DR2 4119249841639393920 HD 163571 BD BD-19 4774
Distance 387.6 Distance ly 1264.35
 
 
WDS 17576-1953 OCC 1021 (HD 163571) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
OCC1971 O j Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F., 1971Natur.234..405T
OCC1971 Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC1971 Nature 234, 405, 1971 (also summarized in OCC2010)
OCC1972 O j Hubbard, W.B. & van Flandern, T.C. 1972AJ.....77...65H
OCC1972 AJ 77, 65, 1972
OCC1976 O j Taylor, G.E., Walker, E.N., Quintanilla, A.R. & Lopez de Coca, M.P. 1976A&A....50..121T
OCC1976 A&A 50, 121, 1976 (also summarized in OCC2010)
OCC1990 O j Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W., 1990AJ.....99.1636D
OCC1990 A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC1990 AJ 99, 1636, 1990 (also summarized in OCC2010)
OCC1993 O j Sato, I., Soma, M. & Hirose, T. 1993AJ....105.1553S
OCC1993 AJ 105, 1553, 1993 (also summarized in OCC2010)
OCC2001 O - Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A., 2001BASI...29..577V
OCC2001 Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC2001 Bull. Astr. Soc. India 29, 577, 2001 (also summarized in OCC2010)
OCC2002 O - Occult. Doubles Cat., D. Dunham, ed. .
OCC2002 http://www.lunar-occultations.com/iota/iotandx.htm
OCC2008 O j Ling, A. 2008JRASC.102...15L
OCC2008 JRASC 102, 15, 2008
OCC2009 O u Herald, D. and Sandy, R. 2009JDSO....5..208H
OCC2009 JDSO 5, 208, 2009
OCC2009b O j Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B., 2009PASP..121..359L
OCC2009b Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC2009b PASP 121, 359, 2009 (also summarized in OCC2010)
OCC2010 O u Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris, 2010JDSO....6...88H
OCC2010 T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC2010 JDSO 6, 88, 2010
OCC2010b O u Herald, D., Loader, B. & Parker, S. 2010JDSO....6..150H
OCC2010b JDSO 6, 150, 2010
OCC2010c O - Herald, D., Kashiwagura, M., Loader, B., Messner, S., Sandy, R. & Togashi, H. 2010JDSO....6..152H
OCC2010c JDSO 6, 152, 2010
OCC2010d O u Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson, 2010JDSO....6..176L
OCC2010d E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC2010d JDSO 6, 176, 2010
OCC2011 O u George, T., Timerson, B., Coughlin, K. & Fleishman, R. 2011JDSO....7..129G
OCC2011 JDSO 7, 129, 2011
OCC2011b O u Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson, 2011JDSO....7..159L
OCC2011b E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC2011b JDSO 7, 159, 2011
OCC2011c O u George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S., 2011JDSO....7..169G
OCC2011c Suggs, R., Venable, R. & Warren, W.H.
OCC2011c JDSO 7, 169, 2011
OCC2011d O - George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J., 2011JDSO....7..175G
OCC2011d di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC2011d JDSO 7, 175, 2011
OCC2011e O j Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H., ...................
OCC2011e Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC2011e J. for Occultation Astron., #3, Jul-Sep 2011 (some data also in OCC2008)
OCC2012a O j George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A., 2012JDSO....8..306G
OCC2012a Centala, J., Modic, R., & Slauson, D.
OCC2012a JDSO 8, 306, 2012
OCC2012b O u Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T., 2012JDSO....8..313L
OCC2012b Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC2012b JDSO 8, 313, 2012
OCC2013a O - George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W., 2013JDSO....9...88G
OCC2013a Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC2013a JDSO 9, 88, 2013
OCC2013b O j Giacchini, B.L., Timerson, B., George, T., Degenhardt, S. & Herald, D. 2013JDSO....9..130G
OCC2013b JDSO 9, 130, 2013
OCC2013c O j Casas, R., Juan, J., Naves, R., Perello, C., Rovira, J., Selva, A. & Schnabel, C. 2013JDSO....9..183C
OCC2013c JDSO 9, 183, 2013
OCC2013d O j Herald, D., Talbot, J., Bradshaw, J., Broughton, J., Hanna, W. & Watson, D. 2013JDSO....9..226H
OCC2013d JDSO 9, 226, 2013
OCC2013e O - Herald, D. 2013JDSO....9..274H
OCC2013e JDSO 9, 274, 2013
OCC2014a O - Loader, B. 2014JDSO...10....2L
OCC2014a JDSO 10, 2, 2014
OCC2014b O - Gault, D. 2014JDSO...10....4G
OCC2014b JDSO 10, 4, 2014
OCC2014c O - Herald, D., Talbot, J., Chad, C., Broughton, J. & Anderson, P. 2014JDSO...10...29H
OCC2014c JDSO 10, 29, 2014
OCC2014d O j Herald, D., Talbot, J. & Kerr, S. 2014JDSO...10..107H
OCC2014d JDSO 10, 107, 2014
OCC2014e O u Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T., 2014JDSO...10..150L
OCC2014e Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC2014e JDSO 10, 150, 2014
OCC2014f O - Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A., 2014JDSO...10..240S
OCC2014f Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC2014f JDSO 10, 240, 2014
OCC2016a O j Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D., 2016JDSO...12..143L
OCC2016a Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC2016a JDSO 12, 143, 2016
OCC2016b O - Gault, D. & Herald, D. 2016JDSO...12..556G
OCC2016b JDSO 12, 556, 2016
OCC2017a O j Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M., 2017JDSO...13..585L
OCC2017a Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC2017a JDSO 13, 585, 2016
OCC2018a O j Timerson, B., George, T., Blank, T., Maley, P., Messner, S. & Moore, J. 2018JDSO...14..395T
OCC2018a JDSO 14, 395, 2018 .
OCC2019a O j Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham, 2019JDSO...15..162T
OCC2019a J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
OCC2019a Thomas, W.
OCC2019a JDSO 15, 162, 2019 .
OCC2019b O j Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R., 2019JDSO...15..268H
OCC2019b Terakubo, K., Sato, M. & Shima, K.
OCC2019b JDSO 15, 268, 2019 .
OCC2019c O j Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad, 2019JDSO...15..503L
OCC2019c C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
OCC2019c Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
OCC2019c Watanabe, H., Yamamura, H. & Yoshida, H.
OCC2019c JDSO 15, 503, 2019 .
OCC2019d O j Giacchini, B.L., George, T., Spagnotto, J. & Wilberger, A.J. 2019JDSO...15..554G
OCC2019d JDSO 15, 554, 2019 .
OCC2020a O - Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. & 2020JDSO...16...87P
OCC2020a Selva, A.
OCC2020a JDSO 16, 87, 2020
OCC2020b O Herald, D. 2020JDSO...16..113H
OCC2020b JDSO 16, 105, 2020
OCC2020c O Bardecker, J. & Messner, S. 2020JDSO...16..405B
OCC2020c JDSO 16, 405, 2020
OCC2020d O Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford, 2020JDSO...16..440G
OCC2020d R., Trank, R., Preston, S. & Herald, D.
OCC2020d JDSO 16, 440, 2020
OCC2020e O Boutet, M. & Sanchez, J. 2020JDSO...16..483B
OCC2020e JDSO 16, 483, 2020
OCC2021a O Hayamizu, T., Soma, M., Watanabe, Ha., Asai, A., Watanable, Hi. & Nohara, H. 2021JDSO...17..131H
OCC2021a JDSO 17, 131, 2021
OCC2021b O Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O., 2021JDSO...17..230F
OCC2021b Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
OCC2021b Sposetti, S. & Aissa, D.B.
OCC2021b JDSO 17, 230, 2021
OCC2022a O Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A., 2022JDSO...18...61H
OCC2022a Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
OCC2022a JDSO 18, 61, 2022
OCC2022b O j Andersson, S. 2022JDSO...18..207A
OCC2022b JDSO 18, 207, 2022
OCC2022c O j Klos, O. 2022JDSO...18..210K
OCC2022c JDSO 18, 210, 2022
OCC2023a O j Bardecker, J. 2023JDSO...19...59B
OCC2023a JDSO 19, 59, 2023
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021   0   9.10 9.80 175734.30-195322.4
17576-1953 OCC1021 1999 0 -1 0.0 9.10 9.80 175734.30-195322.4

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

 
 
WDS 17576-1953 OCC 1021 (HD 163571) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17576-1953 OCC 1021 (HD 163571) : MEASURES
 
 
No records found.

 
 
WDS 17576-1953 (HD 163571) : VIRTUAL EYEPIECE
 
 

17576-1953 OCC1021A mag 9.1 Sp K0III 17576-1953 OCC1021B mag 9.8 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 17576-1953 (HD 163571) : ALADIN DSS IMAGE @ 17h 57m 34.30s -19° 53' 22.4"
 
 
 
 
WDS 17576-1953 OCC 1021 (HD 163571) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17576-1953  OCC1021 distance=0' 17575-1957  A  2255 distance=4' 17585-2016  DON 875 distance=27' 17577-1927  OCC 525 distance=27' 17574-1925  SKF 933 distance=29' 17579-1921  RST5097 distance=33' 17569-1920  B  2846 distance=35' 17567-2026  DON 871 distance=36' 17582-1916  CHR  66 distance=39' 17599-2023  TDT 619 distance=45' 17568-2036  J  1617AB distance=48' 17568-2036  J  1617AC distance=48' 18000-2027  DON 876 distance=48' 17571-1906  ARA 719 distance=49' 18011-1952  A  2387AB distance=50' 18011-1952  I  9027AC distance=50' 18011-1958  I   620 distance=50' 18004-1923  OCC 526 distance=51' 17546-1924  TDT 567 distance=51' 17569-1903  FEN  25 distance=52' 18012-1942  B  2849 distance=53' 17543-1927  DOO  69 distance=53' 17552-2035  DON 869 distance=54' 17546-1911  HJ 2812 distance=60' 18009-1858  HJ 2815 distance=73' 18011-2048  HLD 140 distance=74' 17554-1843  RST3136 distance=78' 17536-2049  OL  102 distance=79' 17575-2113  BRT1511 distance=80' 18025-1916  BHA  22 distance=80' 18023-1903  ARA 722 distance=84' 18033-1919  BRT1512 distance=89' 17522-2051  BHA  20 distance=95' 17590-1820  ARA 449 distance=96' 17543-1828  A  2253 distance=98' 18039-1913  B  2431 distance=98' 18039-1913  OCC 537Aa,Ab distance=98' 18036-1859  TSN 185 distance=102' 18046-1936  HJ 2817 distance=102' 17526-2108  J  1616 distance=102' 17551-1818  ARA 448 distance=103' 17518-2104  LSC  79 distance=107' 17577-2143  HDS2530 distance=110' 17574-1804  A  2254 distance=110' 17531-2125  HDS2524 distance=111' 18047-1903  B  2852 distance=113' 17496-2000  HJ 2810AB distance=113' 17496-2000  BU 1460AD distance=113' 18048-1902  OCC 536 distance=115' 17496-2000  BU 1460DC distance=118' 17496-2000  BU 1460DE distance=118' grafico limitrofi
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 17576-1953 OCC1021 -1 0.0
Show 17575-1957 A 2255 302 1.3 4
Show 17585-2016 DON 875 325 6.0 27
Show 17577-1927 OCC 525 -1 0.3 27
Show 17574-1925 SKF 933 161 3.8 29
Show 17579-1921 RST5097 183 0.9 33
Show 17569-1920 B 2846 141 10.9 35
Show 17567-2026 DON 871 310 5.4 36
Show 17582-1916 CHR 66 111 0.4 39
Show 17599-2023 TDT 619 198 1.5 45
Show 17568-2036 J 1617 AB 104 8.3 48
Show 17568-2036 J 1617 AC 248 10.6 48
Show 18000-2027 DON 876 15 1.2 48
Show 17571-1906 ARA 719 150 15.0 49
Show 18011-1952 A 2387 AB 44 1.0 50
Show 18011-1952 I 9027 AC 301 33.3 50
Show 18011-1958 I 620 64 19.4 50
Show 18004-1923 OCC 526 -1 0.4 51
Show 17546-1924 TDT 567 176 1.7 51
Show 17569-1903 FEN 25 14 5.1 52
Show 18012-1942 B 2849 351 12.5 53
Show 17543-1927 DOO 69 88 11.6 53
Show 17552-2035 DON 869 127 0.6 54
Show 17546-1911 HJ 2812 134 12.5 60
Show 18009-1858 HJ 2815 104 14.4 73
Show 18011-2048 HLD 140 265 2.3 74
Show 17554-1843 RST3136 353 1.9 78
Show 17536-2049 OL 102 278 3.6 79
Show 17575-2113 BRT1511 216 3.7 80
Show 18025-1916 BHA 22 63 3.8 80
Show 18023-1903 ARA 722 269 7.2 84
Show 18033-1919 BRT1512 34 3.8 89
Show 17522-2051 BHA 20 241 4.0 95
Show 17590-1820 ARA 449 288 14.1 96
Show 17543-1828 A 2253 75 0.4 98
Show 18039-1913 B 2431 285 9.7 98
Show 18039-1913 OCC 537 Aa,Ab 104 0.9 98
Show 18036-1859 TSN 185 325 0.2 102
Show 18046-1936 HJ 2817 275 13.4 102
Show 17526-2108 J 1616 151 6.0 102
Show 17551-1818 ARA 448 68 7.6 103
Show 17518-2104 LSC 79 266 0.3 107
Show 17577-2143 HDS2530 179 0.6 110
Show 17574-1804 A 2254 171 0.3 110
Show 17531-2125 HDS2524 331 0.1 111
Show 18047-1903 B 2852 144 4.1 113
Show 17496-2000 HJ 2810 AB 187 44.0 113
Show 17496-2000 BU 1460 AD 270 297.0 113
Show 18048-1902 OCC 536 -1 0.1 115
Show 17496-2000 BU 1460 DC 302 34.6 118
Show 17496-2000 BU 1460 DE 148 30.5 118

 
 
WDS 17576-1953 : COMPONENTS
 
 
  A
B pa=0.0°
sep=0.00"
 
 
17576-1953 A
 
 
Componente originario normalizzato AB Name HD 163571 Coord arcsec 2000 175734.30-195322.4 Mag 9.1
Spectral class K0III (yellow-orange) PmRA 1.00 PmDE -7.0 SAO 160938
HIP 87918 Tycho2 6258-00226-1 HD 163571 BD BD-19 4774
Tycho2
Tycho2 6258-00226-1 Pflag RAmdeg 269.39292923 DEmdeg -19.88956773
PmRA 1.0 PmDE -7.0 E RAmdeg 9 E DEmdeg 13
E pmRA 1.2 E pmDE 1.3 EpRAm 1989.79 EpDEm 1988.38
Num 13 Q RAmdeg 1.8 Q DEmdeg 0.8 Q pmRA 1.7
Q pmDE 0.8 BTmag 10.438 E BTmag 0.037 VTmag 8.829
E VTmag 0.016 Prox 999 TYC T HIP 87918
CCDM RAdeg 269.39292556 DEdeg -19.88955167 EpRA 1990 1.81
EpDE 1990 1.78 E RAdeg 9.8 E DEdeg 13.8 Posflg
Corr -0.1
SAO
SAO 160938 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.006 Vmag 8.3 SpType K0
Double code Source 23 CatNum 7363 DM BD-19 4774
DMcomp BDsup HD 163571 M HD 0
GC RA1950rad 4.6888522 DE1950rad -0.34705527 PmRA2000 -0.0004
PmDE2000 0.007
Hipparcos
Catalog H HIP 87918 Proxy RAhms 17 57 34.30
DEdms -19 53 22.4 Vmag 8.67 VarFlag R Vmag H
RAdeg 269.393 DEdeg -19.8896 AstroRef Plx 1.7
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 163571 BD BD-19 4774
CD CP Dm number -19 4774 VIred 1.16
SpType K0III R SpType Coord arcsec 2000 175734.30-195322.4
Hipparcos 2
HIP 87918 Sn 5 So 0 Nc 1
RArad 4.7017935237 DErad -0.3471382144 Plx 2.58 PmRA -2.34
PmDE -7.02 E RArad 1.12 E DErad 0.58 E Plx 1.17
E pmRA 1.34 E pmDE 0.65 Hpmag 8.8301 E Hpmag 0.0021
SHp 0.014 VA 0 BV 1.311 E BV 0.031
VI 1.27
 
 
17576-1953 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175734.30-195322.4 Mag 9.8 Calc delta mag 0.7
Calc coord yes