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Doubles in session


Current system
20493+2206
GRV 383


Nearby doubles
25' : 20480+2223
TDT2546

34' : 20508+2232
HDS2972

41' : 20522+2218
J 1327

44' : 20521+2225
AZC 108

49' : 20461+2222
J 514

55' : 20463+2242
TDT2531

64' : 20508+2305
J 3114

67' : 20507+2310
TDS1105

70' : 20542+2217
GRV 393

72' : 20442+2154
OSO 132

76' : 20480+2319
POU5000

77' : 20478+2320
POU4999

78' : 20480+2321
BKO 858

78' : 20510+2320
POU5043

79' : 20537+2116
J 2327AB

80' : 20476+2322
BKO 854

80' : 20445+2123
BRT2483

82' : 20458+2311
BRT2485

83' : 20444+2119
A 171

84' : 20517+2323
BKO 881

85' : 20433+2201
TDT2495

86' : 20514+2326
POU5046

88' : 20440+2253
GRV 374

89' : 20514+2329
POU5047

90' : 20467+2044
HJ 2999AB

90' : 20489+2336
POU5017



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.

20493+2206 GRV 383

 
 
20h 49m 19.04s +22° 06' 14.8" P.A. 124.00 sep 21.2 mag 11.58,12.51
 
 
Coord 2000 20493+2206 Discov num GRV 383 Comp Coord arcsec 2000 20 49 19.04 +22 06 14.8
Date first 1892 Date last 2016 Obs 12
Pa first 125 Pa last 124 P.A. Now (θ) 124°
Sep first 21.6 Sep last 21.192 Sep. Now (ρ) 21.192"
Mag pri 11.58 Mag sec 12.51 delta mag (ΔM) 0.93 Spectral class
Pri motion ra -050 Sec motion ra -050
Pri motion dec -056 Sec motion dec -056
Notes V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 1659-00108-1 Gaia DR2 1838971886521857024
 
 
WDS 20493+2206 GRV 383 : 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
20493+2206 GRV 383 2000 5 124 21.2 11.58 12.51 D 204919.04+220614.8
20493+2206 GRV 383 2001 6 124 21.2 11.58 12.51 D 204919.04+220614.8
20493+2206 GRV 383 2010 6 124 21.2 11.58 12.51 204919.04+220614.8
20493+2206 GRV 383 2015 7 124 21.2 11.58 12.51 204919.04+220614.8
20493+2206 GRV 383 2016 12 124 21.2 11.58 12.51 V 204919.04+220614.8

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

 
 
WDS 20493+2206 GRV 383 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20493+2206 GRV 383 : MEASURES
 
 
No records found.

 
 
WDS 20493+2206 : VIRTUAL EYEPIECE
 
 

20493+2206 GRV 383A mag 11.58 20493+2206 GRV 383B sep 20.1 P.A. 126.10 mag 12.51 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 20493+2206 : ALADIN DSS IMAGE @ 20h 49m 19.04s +22° 06' 14.8"
 
 
 
 
WDS 20493+2206 GRV 383 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20493+2206 GRV 383 distance=0' 20480+2223 TDT2546 distance=25' 20508+2232 HDS2972 distance=34' 20522+2218 J 1327 distance=41' 20521+2225 AZC 108 distance=44' 20461+2222 J 514 distance=49' 20463+2242 TDT2531 distance=55' 20508+2305 J 3114 distance=64' 20507+2310 TDS1105 distance=67' 20542+2217 GRV 393 distance=70' 20442+2154 OSO 132 distance=72' 20480+2319 POU5000 distance=76' 20478+2320 POU4999 distance=77' 20480+2321 BKO 858 distance=78' 20510+2320 POU5043 distance=78' 20537+2116 J 2327AB distance=79' 20537+2116 KPP3429AD distance=79' 20537+2116 J 2327BC distance=80' 20476+2322 BKO 854 distance=80' 20445+2123 BRT2483 distance=80' 20458+2311 BRT2485 distance=82' 20444+2119 A 171 distance=83' 20517+2323 BKO 881 distance=84' 20433+2201 TDT2495 distance=85' 20514+2326 POU5046 distance=86' 20440+2253 GRV 374 distance=88' 20514+2329 POU5047 distance=89' 20467+2044 HJ 2999AB distance=90' 20467+2044 TOB 197AC distance=90' 20489+2336 POU5017 distance=90' 20448+2311 BU 1302AB distance=90' 20448+2311 BU 1302AC distance=90' 20448+2311 GII 291Aa,Ab distance=90' 20494+2336 POU5024 distance=90' 20487+2336 POU5011AB distance=91' 20487+2336 POU5012AC distance=91' 20501+2336 POU5036 distance=91' 20440+2306 BRT2482 distance=95' 20477+2339 POU4997AB distance=96' 20477+2339 BKO 855AC distance=96' 20460+2330 POU4966 distance=96' 20476+2339 POU4993 distance=96' 20558+2131 COU 727 distance=98' 20446+2319 POU4939AB distance=98' 20446+2319 POU4940AC distance=98' 20448+2051 A 172 distance=98' 20466+2337 POU4981 distance=99' 20433+2300 HJ 1565 distance=100' 20475+2342 BKO 853 distance=100' 20454+2330 POU4955 distance=100' 20471+2341 POU4985 distance=100' 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 20493+2206 GRV 383 124 21.2
Show 20480+2223 TDT2546 82 0.5 25
Show 20508+2232 HDS2972 309 0.2 34
Show 20522+2218 J 1327 58 2.7 41
Show 20521+2225 AZC 108 288 23.8 44
Show 20461+2222 J 514 148 2.6 49
Show 20463+2242 TDT2531 298 0.5 55
Show 20508+2305 J 3114 280 4.7 64
Show 20507+2310 TDS1105 30 1.0 67
Show 20542+2217 GRV 393 353 41.5 70
Show 20442+2154 OSO 132 320 10.4 72
Show 20480+2319 POU5000 6 10.8 76
Show 20478+2320 POU4999 126 21.0 77
Show 20480+2321 BKO 858 211 9.7 78
Show 20510+2320 POU5043 156 5.0 78
Show 20537+2116 J 2327 AB 48 68.4 79
Show 20537+2116 KPP3429 AD 9 32.9 79
Show 20537+2116 J 2327 BC 175 4.4 80
Show 20476+2322 BKO 854 316 9.4 80
Show 20445+2123 BRT2483 307 3.6 80
Show 20458+2311 BRT2485 170 6.2 82
Show 20444+2119 A 171 325 5.4 83
Show 20517+2323 BKO 881 80 2.2 84
Show 20433+2201 TDT2495 124 0.9 85
Show 20514+2326 POU5046 268 3.4 86
Show 20440+2253 GRV 374 173 45.0 88
Show 20514+2329 POU5047 146 6.9 89
Show 20467+2044 HJ 2999 AB 221 10.3 90
Show 20467+2044 TOB 197 AC 271 19.5 90
Show 20489+2336 POU5017 330 13.6 90
Show 20448+2311 BU 1302 AB 138 2.3 90
Show 20448+2311 BU 1302 AC 210 55.1 90
Show 20448+2311 GII 291 Aa,Ab 119 0.1 90
Show 20494+2336 POU5024 332 21.3 90
Show 20487+2336 POU5011 AB 20 10.0 91
Show 20487+2336 POU5012 AC 357 11.3 91
Show 20501+2336 POU5036 139 11.5 91
Show 20440+2306 BRT2482 248 4.1 95
Show 20477+2339 POU4997 AB 195 12.7 96
Show 20477+2339 BKO 855 AC 233 2.6 96
Show 20460+2330 POU4966 269 5.2 96
Show 20476+2339 POU4993 294 3.2 96
Show 20558+2131 COU 727 353 1.1 98
Show 20446+2319 POU4939 AB 85 16.1 98
Show 20446+2319 POU4940 AC 92 20.2 98
Show 20448+2051 A 172 219 2.9 98
Show 20466+2337 POU4981 199 6.6 99
Show 20433+2300 HJ 1565 67 16.9 100
Show 20475+2342 BKO 853 129 6.9 100
Show 20454+2330 POU4955 133 16.9 100
Show 20471+2341 POU4985 109 16.0 100

 
 
WDS 20493+2206 : COMPONENTS
 
 
  A
B pa=126.1°
sep=20.13"
 
 
20493+2206 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204919.04+220614.8 Mag 11.58 PmRA -50.00
PmDE -56.0 Tycho2 1659-00108-1
Tycho2
Tycho2 1659-00108-1 Pflag RAmdeg 312.32933962 DEmdeg 22.10410017
PmRA -49.3 PmDE -55.3 E RAmdeg 63 E DEmdeg 63
E pmRA 1.7 E pmDE 1.7 EpRAm 1974.09 EpDEm 1974.04
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.6 BTmag 12.593 E BTmag 0.199 VTmag 11.581
E VTmag 0.105 Prox 212 TYC HIP
CCDM RAdeg 312.32946389 DEdeg 22.10423000 EpRA 1990 1.61
EpDE 1990 1.55 E RAdeg 69.0 E DEdeg 69.2 Posflg
Corr -0.1
 
 
20493+2206 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204920.21+220602.9 Mag 12.51 PmRA -50.00
PmDE -56.0 Tycho2 1659-00784-1 Calc delta mag 0.93 Calc coord yes
Tycho2
Tycho2 1659-00784-1 Pflag RAmdeg 312.33458509 DEmdeg 22.10080098
PmRA -50.7 PmDE -55.2 E RAmdeg 110 E DEmdeg 110
E pmRA 2.3 E pmDE 2.3 EpRAm 1945.65 EpDEm 1946.05
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 1.0
Q pmDE 0.4 BTmag 13.267 E BTmag 0.315 VTmag 12.511
E VTmag 0.205 Prox 212 TYC HIP
CCDM RAdeg 312.33471361 DEdeg 22.10093028 EpRA 1990 1.62
EpDE 1990 1.56 E RAdeg 151.3 E DEdeg 150.9 Posflg
Corr -0.1