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Doubles in session


Current system
21494+3048
GRV 511


Nearby doubles
4' : 21494+3045
STF2829

22' : 21511+3046
DEA 89

30' : 21487+3115
HJ 1695

33' : 21516+3030
MLB 669

35' : 21479+3117
HJ 1688

57' : 21534+3115
TDT3217

57' : 21455+3113
TDT3141

62' : 21451+3026
TDT3136

63' : 21501+3151
BU 692AB

72' : 21457+2957
TDT3145

73' : 21458+2954
TDT3146

80' : 21455+2948
DAM 237

80' : 21458+2945
DAM 236

81' : 21457+3152
J 2356

82' : 21473+2932
STJ 58

82' : 21449+3145
ES 381

83' : 21444+3140
HJ 1686

84' : 21530+2939
BRT 59

84' : 21470+2930
GRV 503

91' : 21532+3205
ES 2322AB

92' : 21429+3014
TDT3119

92' : 21566+3053
HDS3119

94' : 21530+3210
KPP4254

95' : 21422+3100
OSO 154AB

96' : 21442+2942
MLB 493

98' : 21559+3141
ES 2360



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.

21494+3048 GRV 511

 
 
21h 49m 29.32s +30° 48' 24.0" P.A. 228.00 sep 40.4 mag 11.67,13.66
 
 
Coord 2000 21494+3048 Discov num GRV 511 Comp Coord arcsec 2000 21 49 29.32 +30 48 24.0
Date first 1999 Date last 2015 Obs 7
Pa first 228 Pa last 227.9 P.A. Now (θ) 227.9°
Sep first 40.2 Sep last 40.355 Sep. Now (ρ) 40.355"
Mag pri 11.67 Mag sec 13.66 delta mag (ΔM) 1.99 Spectral class
Pri motion ra -011 Sec motion ra -012
Pri motion dec -008 Sec motion dec -010
Notes
rPM=0.143 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2718-00819-1 Gaia DR2 1897662786419595776
 
 
WDS 21494+3048 GRV 511 : 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
21494+3048 GRV 511 2000 2 228 40.3 11.10 13.40 D 214929.32+304824.0
21494+3048 GRV 511 2002 3 228 40.3 11.10 13.40 D 214929.32+304824.0
21494+3048 GRV 511 2010 3 228 40.3 11.67 13.66 214929.32+304824.0
21494+3048 GRV 511 2015 4 228 40.4 11.67 13.66 214929.32+304824.0

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

 
 
WDS 21494+3048 GRV 511 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21494+3048 GRV 511 : MEASURES
 
 
No records found.

 
 
WDS 21494+3048 : VIRTUAL EYEPIECE
 
 

21494+3048 GRV 511A mag 11.67 21494+3048 GRV 511B sep 37.3 P.A. 223.50 mag 13.66 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 21494+3048 : ALADIN DSS IMAGE @ 21h 49m 29.32s +30° 48' 24.0"
 
 
 
 
WDS 21494+3048 GRV 511 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21494+3048 GRV 511 distance=0' 21494+3045 STF2829 distance=4' 21511+3046 DEA 89 distance=22' 21487+3115 HJ 1695 distance=30' 21516+3030 MLB 669 distance=33' 21479+3117 HJ 1688 distance=35' 21534+3115 TDT3217 distance=57' 21455+3113 TDT3141 distance=57' 21451+3026 TDT3136 distance=62' 21501+3151 BU 692AB distance=63' 21501+3151 FOX 264AD distance=63' 21501+3151 FOX 264AE distance=63' 21501+3151 BU 692AC distance=63' 21501+3151 BU 692BC distance=63' 21457+2957 TDT3145 distance=72' 21458+2954 TDT3146 distance=73' 21455+2948 DAM 237 distance=80' 21458+2945 DAM 236 distance=80' 21457+3152 J 2356 distance=81' 21473+2932 STJ 58 distance=82' 21449+3145 ES 381 distance=82' 21444+3140 HJ 1686 distance=83' 21530+2939 BRT 59 distance=84' 21470+2930 GRV 503 distance=84' 21532+3205 ES 2322AB distance=91' 21532+3205 ES 2322AD distance=91' 21532+3205 ES 2322BC distance=91' 21532+3205 ES 2322DE distance=91' 21429+3014 TDT3119 distance=92' 21566+3053 HDS3119 distance=92' 21530+3210 KPP4254 distance=94' 21422+3100 OSO 154AB distance=95' 21422+3100 OSO 154AC distance=95' 21422+3100 OSO 154AD distance=95' 21422+3100 OSO 154AE distance=95' 21442+2942 MLB 493 distance=96' 21559+3141 ES 2360 distance=98' 21544+3204 TDT3227 distance=99' 21555+2942 HO 609AB distance=99' 21555+2942 HO 609AC distance=99' 21555+2942 HO 609AD distance=99' 21555+2942 HO 609AE distance=99' 21544+3206 COU1042 distance=100' 21510+2911 A 889AB distance=100' 21510+2911 A 889Aa,Ab distance=100' 21441+3203 J 2355 distance=100' 21564+3001 MLB 721AB distance=101' 21564+3001 MLB 721AC distance=101' 21568+3125 BRT 291 distance=102' 21431+3149 A 1222 distance=102' 21441+3205 DAM 235BC distance=102' 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 21494+3048 GRV 511 228 40.4
Show 21494+3045 STF2829 15 17.1 4
Show 21511+3046 DEA 89 204 14.8 22
Show 21487+3115 HJ 1695 115 13.3 30
Show 21516+3030 MLB 669 309 3.2 33
Show 21479+3117 HJ 1688 351 16.4 35
Show 21534+3115 TDT3217 327 4.2 57
Show 21455+3113 TDT3141 358 2.5 57
Show 21451+3026 TDT3136 0.8 62
Show 21501+3151 BU 692 AB 10 2.9 63
Show 21501+3151 FOX 264 AD 150 40.2 63
Show 21501+3151 FOX 264 AE 178 54.5 63
Show 21501+3151 BU 692 AC 292 40.9 63
Show 21501+3151 BU 692 BC 292 40.8 63
Show 21457+2957 TDT3145 250 2.2 72
Show 21458+2954 TDT3146 359 2.5 73
Show 21455+2948 DAM 237 233 6.3 80
Show 21458+2945 DAM 236 143 5.9 80
Show 21457+3152 J 2356 135 6.3 81
Show 21473+2932 STJ 58 193 1.8 82
Show 21449+3145 ES 381 110 4.6 82
Show 21444+3140 HJ 1686 229 13.7 83
Show 21530+2939 BRT 59 355 4.4 84
Show 21470+2930 GRV 503 331 20.4 84
Show 21532+3205 ES 2322 AB 52 35.7 91
Show 21532+3205 ES 2322 AD 352 62.1 91
Show 21532+3205 ES 2322 BC 147 5.1 91
Show 21532+3205 ES 2322 DE 276 5.0 91
Show 21429+3014 TDT3119 157 2.7 92
Show 21566+3053 HDS3119 33 0.6 92
Show 21530+3210 KPP4254 337 2.2 94
Show 21422+3100 OSO 154 AB 25 15.3 95
Show 21422+3100 OSO 154 AC 239 15.8 95
Show 21422+3100 OSO 154 AD 166 16.4 95
Show 21422+3100 OSO 154 AE 108 19.6 95
Show 21442+2942 MLB 493 330 8.6 96
Show 21559+3141 ES 2360 226 4.2 98
Show 21544+3204 TDT3227 175 1.3 99
Show 21555+2942 HO 609 AB 356 3.3 99
Show 21555+2942 HO 609 AC 132 22.1 99
Show 21555+2942 HO 609 AD 147 30.4 99
Show 21555+2942 HO 609 AE 347 31.7 99
Show 21544+3206 COU1042 108 1.4 100
Show 21510+2911 A 889 AB 15 0.2 100
Show 21510+2911 A 889 Aa,Ab 323 0.0 100
Show 21441+3203 J 2355 346 3.5 100
Show 21564+3001 MLB 721 AB 15 1.6 101
Show 21564+3001 MLB 721 AC 200 6.9 101
Show 21568+3125 BRT 291 297 1.3 102
Show 21431+3149 A 1222 352 0.7 102
Show 21441+3205 DAM 235 BC 206 6.5 102

 
 
WDS 21494+3048 : COMPONENTS
 
 
  A
B pa=223.5°
sep=37.33"
 
 
21494+3048 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214929.32+304824.0 Mag 11.67 PmRA -11.00
PmDE -8.0 Tycho2 2718-00819-1
Tycho2
Tycho2 2718-00819-1 Pflag RAmdeg 327.37213041 DEmdeg 30.80667604
PmRA -9.4 PmDE -10.1 E RAmdeg 70 E DEmdeg 64
E pmRA 2.6 E pmDE 2.6 EpRAm 1982.74 EpDEm 1984.15
Num 3 Q RAmdeg 0.6 Q DEmdeg 0.1 Q pmRA 0.6
Q pmDE 0.1 BTmag 12.291 E BTmag 0.159 VTmag 11.574
E VTmag 0.113 Prox 926 TYC HIP
CCDM RAdeg 327.37215639 DEdeg 30.80669917 EpRA 1990 1.51
EpDE 1990 1.75 E RAdeg 73.5 E DEdeg 67.2 Posflg
Corr 0.0
 
 
21494+3048 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214927.32+304756.9 Mag 13.66 PmRA -12.00
PmDE -10.0 Calc delta mag 1.99 Calc coord yes