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Doubles in session


Current system
20343+1857
GRV 354


Nearby doubles
8' : 20348+1857
J 790

19' : 20339+1915
J 3094AB

22' : 20329+1906
COU2644

39' : 20363+1924
KPP 475

42' : 20327+1932
OSO 126AB

52' : 20376+1835
COU 224

54' : 20375+1828
GRV 363

56' : 20352+1803
BPM2200

59' : 20329+1803
HJ 2977

61' : 20378+1936
J 3099

61' : 20367+1807
GRV 362

62' : 20305+1829
J 2313

63' : 20385+1848
J 3102

64' : 20306+1932
UC 251

65' : 20302+1925
BU 987AB

69' : 20319+1758
BPM2183

71' : 20322+1754
GWP2966

74' : 20395+1857
HU 362

82' : 20398+1927
J 2604

82' : 20345+1735
BPM2191

85' : 20310+2007
HJ 2974

86' : 20395+1812
BPM2220

87' : 20283+1846
HO 131AB

89' : 20371+1738
BPM2208

92' : 20348+1726
COU 223AB

92' : 20386+2007
COU 225



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20343+1857 GRV 354

 
 
20h 34m 20.22s +18° 57' 08.5" P.A. 9.00 sep 48.2 mag 12.48,13.47
 
 
Coord 2000 20343+1857 Discov num GRV 354 Comp Coord arcsec 2000 20 34 20.22 +18 57 08.5
Date first 2000 Date last 2015 Obs 7
Pa first 9 Pa last 8.6 P.A. Now (θ) 8.6°
Sep first 48.3 Sep last 48.21 Sep. Now (ρ) 48.21"
Mag pri 12.48 Mag sec 13.47 delta mag (ΔM) 0.99 Spectral class
Pri motion ra -020 Sec motion ra -022
Pri motion dec -015 Sec motion dec -009
Notes
rPM=0.253 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1815658838400126464
 
 
WDS 20343+1857 GRV 354 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20343+1857 GRV 354 2000 2 9 48.3 12.30 13.20 D 203420.22+185708.5
20343+1857 GRV 354 2001 3 9 48.2 12.30 13.20 D 203420.22+185708.5
20343+1857 GRV 354 2010 3 9 48.2 12.48 13.47 203420.22+185708.5
20343+1857 GRV 354 2015 4 9 48.2 12.48 13.47 203420.22+185708.5

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

 
 
WDS 20343+1857 GRV 354 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20343+1857 GRV 354 : MEASURES
 
 
No records found.

 
 
WDS 20343+1857 : VIRTUAL EYEPIECE
 
 

20343+1857 GRV 354A mag 12.48 20343+1857 GRV 354B sep 48.1 P.A. 8.10 mag 13.47 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 20343+1857 : ALADIN DSS IMAGE @ 20h 34m 20.22s +18° 57' 08.5"
 
 
 
 
WDS 20343+1857 GRV 354 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20343+1857 GRV 354 distance=0' 20348+1857 J 790 distance=8' 20339+1915 J 3094AB distance=19' 20339+1915 FYM 313AC distance=19' 20329+1906 COU2644 distance=22' 20363+1924 KPP 475 distance=39' 20327+1932 OSO 126AB distance=42' 20327+1932 OSO 126AC distance=42' 20327+1932 OSO 126AD distance=42' 20327+1932 OSO 126AE distance=42' 20327+1932 OSO 126AF distance=42' 20376+1835 COU 224 distance=52' 20375+1828 GRV 363 distance=54' 20352+1803 BPM2200 distance=56' 20329+1803 HJ 2977 distance=59' 20378+1936 J 3099 distance=61' 20367+1807 GRV 362 distance=61' 20305+1829 J 2313 distance=62' 20385+1848 J 3102 distance=63' 20306+1932 UC 251 distance=64' 20302+1925 BU 987AB distance=65' 20302+1925 S 752AC distance=65' 20302+1925 FOX 254AE distance=65' 20302+1925 FOX 254CD distance=67' 20319+1758 BPM2183 distance=69' 20322+1754 GWP2966 distance=71' 20395+1857 HU 362 distance=74' 20398+1927 J 2604 distance=82' 20345+1735 BPM2191 distance=82' 20310+2007 HJ 2974 distance=85' 20395+1812 BPM2220 distance=86' 20283+1846 HO 131AB distance=87' 20283+1846 HO 131AC distance=87' 20283+1846 HO 131AD distance=87' 20371+1738 BPM2208 distance=89' 20348+1726 COU 223AB distance=92' 20348+1726 COU 223AC distance=92' 20386+2007 COU 225 distance=92' 20374+1735 BPM2211 distance=94' 20377+1736 BPM2215 distance=95' 20393+2003 J 3103 distance=99' 20278+1935 TDT2296 distance=101' 20400+1749 BPM2222 distance=106' 20408+1956 RAO 23Ca,Cb distance=107' 20408+1956 RAO 23CD distance=107' 20408+1956 RAO 23CE distance=107' 20278+1805 HJL1103 distance=108' 20408+1956 BUP 215AB distance=109' 20408+1956 LDS1045AC distance=109' 20310+2036 BU 363AB distance=111' 20310+2036 BU 363AC distance=111' 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 20343+1857 GRV 354 9 48.2
Show 20348+1857 J 790 87 2.4 8
Show 20339+1915 J 3094 AB 22 7.5 19
Show 20339+1915 FYM 313 AC 340 15.4 19
Show 20329+1906 COU2644 286 0.8 22
Show 20363+1924 KPP 475 113 4.8 39
Show 20327+1932 OSO 126 AB 198 6.9 42
Show 20327+1932 OSO 126 AC 275 10.3 42
Show 20327+1932 OSO 126 AD 170 23.2 42
Show 20327+1932 OSO 126 AE 338 25.4 42
Show 20327+1932 OSO 126 AF 161 21.8 42
Show 20376+1835 COU 224 322 0.4 52
Show 20375+1828 GRV 363 48 14.1 54
Show 20352+1803 BPM2200 303 81.7 56
Show 20329+1803 HJ 2977 317 20.1 59
Show 20378+1936 J 3099 145 5.5 61
Show 20367+1807 GRV 362 81 22.8 61
Show 20305+1829 J 2313 137 6.2 62
Show 20385+1848 J 3102 96 6.4 63
Show 20306+1932 UC 251 38 39.9 64
Show 20302+1925 BU 987 AB 128 2.5 65
Show 20302+1925 S 752 AC 288 106.3 65
Show 20302+1925 FOX 254 AE 70 21.2 65
Show 20302+1925 FOX 254 CD 301 35.0 67
Show 20319+1758 BPM2183 115 110.7 69
Show 20322+1754 GWP2966 75 121.0 71
Show 20395+1857 HU 362 313 0.6 74
Show 20398+1927 J 2604 141 2.2 82
Show 20345+1735 BPM2191 324 92.1 82
Show 20310+2007 HJ 2974 297 14.4 85
Show 20395+1812 BPM2220 281 105.7 86
Show 20283+1846 HO 131 AB 334 3.4 87
Show 20283+1846 HO 131 AC 69 64.4 87
Show 20283+1846 HO 131 AD 97 76.9 87
Show 20371+1738 BPM2208 78 56.4 89
Show 20348+1726 COU 223 AB 161 0.4 92
Show 20348+1726 COU 223 AC 288 1.3 92
Show 20386+2007 COU 225 286 0.3 92
Show 20374+1735 BPM2211 234 109.1 94
Show 20377+1736 BPM2215 103 61.2 95
Show 20393+2003 J 3103 224 5.5 99
Show 20278+1935 TDT2296 359 1.6 101
Show 20400+1749 BPM2222 294 86.5 106
Show 20408+1956 RAO 23 Ca,Cb 227 0.2 107
Show 20408+1956 RAO 23 CD 303 20.3 107
Show 20408+1956 RAO 23 CE 327 29.4 107
Show 20278+1805 HJL1103 82 126.5 108
Show 20408+1956 BUP 215 AB 25 69.4 109
Show 20408+1956 LDS1045 AC 184 125.2 109
Show 20310+2036 BU 363 AB 88 5.7 111
Show 20310+2036 BU 363 AC 206 55.9 111

 
 
WDS 20343+1857 : COMPONENTS
 
 
  A
B pa=8.1°
sep=48.15"
 
 
20343+1857 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203420.22+185708.5 Mag 12.48 PmRA -20.00
PmDE -15.0
 
 
20343+1857 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203420.70+185756.2 Mag 13.47 PmRA -22.00
PmDE -9.0 Calc delta mag 0.99 Calc coord yes