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Current system
21431+3622
GRV 497


Nearby doubles
24' : 21421+3602
ALI 220

31' : 21407+3612
ES 2130

35' : 21460+3626
HDS3100

39' : 21463+3623
ALI 221

40' : 21400+3605
ES 2129

40' : 21446+3548
TDT3130

47' : 21442+3538
TDT3126

51' : 21396+3650
SEI1530

51' : 21389+3623
STF2814

53' : 21436+3715
TDS1143

54' : 21402+3703
SEI1531

54' : 21395+3551
COU1335

62' : 21461+3534
COU1337

63' : 21380+3613
TDT3068

64' : 21460+3530
GRV 501

66' : 21385+3549
TDT3076

66' : 21405+3720
ES 2067

68' : 21382+3655
TDT3069

68' : 21480+3550
TDT3160

70' : 21385+3543
CRB 143

72' : 21429+3734
ES 2521AB

73' : 21370+3628
GRV 484

76' : 21412+3735
TDT3109

79' : 21367+3624
HLD 46

80' : 21438+3742
TDT3122

81' : 21496+3606
HO 169



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.

21431+3622 GRV 497

 
 
21h 43m 06.75s +36° 22' 54.0" P.A. 228.00 sep 35.1 mag 10.26,12.71
 
 
Coord 2000 21431+3622 Discov num GRV 497 Comp Coord arcsec 2000 21 43 06.75 +36 22 54.0
Date first 1999 Date last 2015 Obs 7
Pa first 228 Pa last 228.2 P.A. Now (θ) 228.2°
Sep first 35.1 Sep last 35.087 Sep. Now (ρ) 35.087"
Mag pri 10.26 Mag sec 12.71 delta mag (ΔM) 2.45 Spectral class
Pri motion ra -015 Sec motion ra -017
Pri motion dec -017 Sec motion dec -028
Notes
rPM=0.341
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2729-00522-1 Gaia DR2 1952400946317810560
 
 
WDS 21431+3622 GRV 497 : 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
21431+3622 GRV 497 2000 2 228 35.1 10.10 12.30 D 214306.75+362254.0
21431+3622 GRV 497 2002 3 228 35.1 10.10 12.30 D 214306.75+362254.0
21431+3622 GRV 497 2010 3 228 35.1 10.26 12.71 214306.75+362254.0
21431+3622 GRV 497 2015 4 228 35.1 10.26 12.71 214306.75+362254.0

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

 
 
WDS 21431+3622 GRV 497 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21431+3622 GRV 497 : MEASURES
 
 
No records found.

 
 
WDS 21431+3622 : VIRTUAL EYEPIECE
 
 

21431+3622 GRV 497A mag 10.26 21431+3622 GRV 497B sep 31.5 P.A. 222.00 mag 12.71 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 21431+3622 : ALADIN DSS IMAGE @ 21h 43m 06.75s +36° 22' 54.0"
 
 
 
 
WDS 21431+3622 GRV 497 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21431+3622 GRV 497 distance=0' 21419+3612 COU1336BD distance=20' 21419+3612 ES 2131AC distance=20' 21421+3602 ALI 220 distance=24' 21407+3612 ES 2130 distance=31' 21460+3626 HDS3100 distance=35' 21463+3623 ALI 221 distance=39' 21400+3605 ES 2129 distance=40' 21446+3548 TDT3130 distance=40' 21442+3538 TDT3126 distance=47' 21396+3650 SEI1530 distance=51' 21389+3623 STF2814 distance=51' 21436+3715 TDS1143 distance=53' 21402+3703 SEI1531 distance=54' 21395+3551 COU1335 distance=54' 21461+3534 COU1337 distance=62' 21380+3613 TDT3068 distance=63' 21460+3530 GRV 501 distance=64' 21385+3549 TDT3076 distance=66' 21405+3720 ES 2067 distance=66' 21382+3655 TDT3069 distance=68' 21480+3550 TDT3160 distance=68' 21385+3543 CRB 143 distance=70' 21429+3734 ES 2521AB distance=72' 21429+3734 ES 2521AC distance=72' 21370+3628 GRV 484 distance=73' 21412+3735 TDT3109 distance=76' 21367+3624 HLD 46 distance=79' 21438+3742 TDT3122 distance=80' 21496+3606 HO 169 distance=81' 21410+3504 HO 164AB distance=83' 21410+3504 HO 164AC distance=83' 21376+3712 ES 2065 distance=83' 21501+3623 GRV 513 distance=85' 21491+3535 TDT3174 distance=88' 21465+3506 KPP1456 distance=88' 21471+3737 GRV 504 distance=89' 21442+3453 HO 605 distance=92' 21507+3621 COU1640AB distance=92' 21507+3621 GII 295Aa,Ab distance=92' 21382+3514 SEI1528 distance=92' 21484+3516 TDT3164 distance=93' 21440+3757 SEI1533 distance=95' 21398+3749 A 1444 distance=96' 21432+3801 HDS3094Aa,Ab distance=99' 21432+3801 BLL 55AB distance=99' 21378+3739 SEI1527AB distance=99' 21378+3739 MBR 1AC distance=99' 21512+3607 KPP4250AB distance=100' 21450+3800 LDS1054 distance=100' 21353+3549 GRV 479 distance=101' 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 21431+3622 GRV 497 228 35.1
Show 21419+3612 COU1336 BD 178 1.5 20
Show 21419+3612 ES 2131 AC 216 7.4 20
Show 21421+3602 ALI 220 266 8.2 24
Show 21407+3612 ES 2130 120 3.2 31
Show 21460+3626 HDS3100 189 0.5 35
Show 21463+3623 ALI 221 99 8.2 39
Show 21400+3605 ES 2129 131 5.1 40
Show 21446+3548 TDT3130 95 0.5 40
Show 21442+3538 TDT3126 340 0.8 47
Show 21396+3650 SEI1530 160 19.9 51
Show 21389+3623 STF2814 160 8.1 51
Show 21436+3715 TDS1143 180 0.9 53
Show 21402+3703 SEI1531 20 2.9 54
Show 21395+3551 COU1335 295 0.5 54
Show 21461+3534 COU1337 110 0.3 62
Show 21380+3613 TDT3068 344 0.5 63
Show 21460+3530 GRV 501 154 24.5 64
Show 21385+3549 TDT3076 84 2.2 66
Show 21405+3720 ES 2067 227 6.8 66
Show 21382+3655 TDT3069 148 0.5 68
Show 21480+3550 TDT3160 24 2.3 68
Show 21385+3543 CRB 143 69 19.0 70
Show 21429+3734 ES 2521 AB 200 8.2 72
Show 21429+3734 ES 2521 AC 93 16.5 72
Show 21370+3628 GRV 484 216 66.1 73
Show 21412+3735 TDT3109 59 0.6 76
Show 21367+3624 HLD 46 198 1.7 79
Show 21438+3742 TDT3122 280 0.6 80
Show 21496+3606 HO 169 139 3.7 81
Show 21410+3504 HO 164 AB 71 4.6 83
Show 21410+3504 HO 164 AC 240 28.4 83
Show 21376+3712 ES 2065 4 3.9 83
Show 21501+3623 GRV 513 204 11.5 85
Show 21491+3535 TDT3174 351 0.4 88
Show 21465+3506 KPP1456 282 10.9 88
Show 21471+3737 GRV 504 21 53.5 89
Show 21442+3453 HO 605 341 2.0 92
Show 21507+3621 COU1640 AB 19 2.6 92
Show 21507+3621 GII 295 Aa,Ab 51 0.1 92
Show 21382+3514 SEI1528 64 22.0 92
Show 21484+3516 TDT3164 224 0.6 93
Show 21440+3757 SEI1533 13 25.7 95
Show 21398+3749 A 1444 82 1.1 96
Show 21432+3801 HDS3094 Aa,Ab 245 0.1 99
Show 21432+3801 BLL 55 AB 117 142.4 99
Show 21378+3739 SEI1527 AB 332 25.5 99
Show 21378+3739 MBR 1 AC 89 14.5 99
Show 21512+3607 KPP4250 AB 262 43.3 100
Show 21450+3800 LDS1054 8 127.0 100
Show 21353+3549 GRV 479 117 52.1 101

 
 
WDS 21431+3622 : COMPONENTS
 
 
  A
B pa=222.0°
sep=31.47"
 
 
21431+3622 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214306.75+362254.0 Mag 10.26 PmRA -15.00
PmDE -17.0 Tycho2 2729-00522-1
Tycho2
Tycho2 2729-00522-1 Pflag RAmdeg 325.77812498 DEmdeg 36.38164935
PmRA -12.2 PmDE -23.9 E RAmdeg 14 E DEmdeg 15
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.29 EpDEm 1990.01
Num 5 Q RAmdeg 1.7 Q DEmdeg 1.8 Q pmRA 1.7
Q pmDE 1.8 BTmag 10.588 E BTmag 0.027 VTmag 10.264
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 325.77815944 DEdeg 36.38170389 EpRA 1990 1.58
EpDE 1990 1.47 E RAdeg 15.1 E DEdeg 16.3 Posflg
Corr 0.1
 
 
21431+3622 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214305.01+362230.6 Mag 12.71 PmRA -17.00
PmDE -28.0 Calc delta mag 2.45 Calc coord yes